# Lawrence Berkeley Laboratory University of California Berkeley, California 94720 Energy and Environment Division Energy Analysis Program 

# June 3, 1994 darns-x-- -. U.S. Department of Energy Forrestal Building 1000 Independence Avenue Washington, DC 20585 Dear Carl: (510) 486-4000 • FTS 451-4000 Building 90-4000



# Enclosed are two sets of copies of new Life Cycle Cost (LCC) tables and curves for the eight product classes of central air conditioners and heat pumps. Please deliver one set of the LCC tables and curves to Ed Pollock for his review. These new LCC tables and curves are based upon retail prices generated by the Manufacturer Impact Model (MIM). Looking at the LCC tables, you will notice a column for manufacturer-to-retail mark ups and retail costs. Also notice that the mark ups are not constant. Please use these new LCC tables to select trial standard levels. If you have any questions regarding these new tables and curves, please do not hesitate to call me.
Sincerely,
Gregory Rosenquist 

# Lawrence Berkeley Laboratory University ofCalifornia Berkeley, California94720**i--------------------------------~----------------~~------------**



# ...:

.. / Energyand

# EnvironmentDivision

..' EnergyAnalysisProgram

Carl Adam.s----- U.S. DepartmentofEnergy ForrestalBuilding 1000IndependenceAvenue Washington, DC 20585 DearCarl: June 3,1994 (510) 486-4000 • FTS 451-4000 Building90-4000



# Enclosed are two sets ofcopies ofnew Life Cycle Cost (LCC) tables and curves for the eight product classes ofcentral air conditioners and heat pumps. Please deliver one set ofthe LCC tables and curves to EdPollockfor his review. Thesenew LCCtables and curves arebasedupon retailprices generatedbytheManufacturerImpactModel (MIM). Looking attheLCCtables, you willnotice a columnformanufacturer-to-retail markups andretail costs. Also noticethatthe mark ups are notconstant. Pleaseusethese newLCCtablesto selecttrial standardlevels. Ifyou haveany questions regardingthesenew tables and curves,pleasedo nothesitateto callme. Sincerely,

# /L----y-?~ GregoryRosenquist

### 6/3/94 

### Life Cycle Costs and Payback Periods of 3-ton, Split System Central Air Conditioner

Level Design Option SEER Manufr Cost Incr.

Manufr Cost Retail

Cost Mark

Up Installed Installation Maintenance Consumer Cost Cost Cost Annual Elec. use Annual

Energy cost Cumul
. Payback Period Lifecycle Costs

(1992$) Cumulative

Cost of Conserved Energy cents/kWh Btuh/W (1992$) (1992$) (1992$) (1992$) (1992$) 1992$ kWh/yr 1992$ ears 4% 6% 10% 4% 6% 10% 0 Baseline 10.00 $474.00

- $1,142.32 2.410 $972.71 $46.69 $2161.72 3427 $290 NA $5,392 $4,983 $4,371 NA NA NA 1 0 + Backward Inclined Indoor Blower 10.28 $474.04 $0.04 $1,142.21 2.410 $972.71 $46.69 $2161.61 3337 $283 -0.01 $5,306 $4,909 $4,313 -0.01 -0.01 -0.02 2 1 + Evaporator Slit Fins 10.40 $474.13 $0.09 $1,143.24 2.411 $972.71 $46.69 $2162.64 3297 $279 0.08 $5,269 $4,876 $4,288 0.06 0.07 0.09 3 2 + Reciprocating Compressor: 10.91 EER 11.34 $481.51 $7.38 $1,153.53 2.396 $972.71 $46.69 $2172.93 3025 $256 0.33 $5,023 $4,663 $4,123 0.25 0.29 0.37 4 3 + More Efficient Condenser PSC Fan Motor (65.0%) 11.47 $486.46 $4.95 $1,164.12 2.393 $972.71 $39.08 $2175.91 2990 $253 0.38 $4,994 $4,637 $4,104 0.29 0.33 0.43 5 4 + More Efficient Evaporator PSC Fan Motor (68.5% 11.73 $493.68 $7.22 $1,178.42 2.387 $972.71 $31.47 -$2182.60 2922 $248 0.49 $4,936 $4,588 $4,066 0.37 0.43 0.54 6 5 +Time Delay Relay 12.18 $500.18 $6.50 $1,190.49 2.380 $972.71 $31.47 $2194.67 2815 $239 0.64 $4,848 $4,512 $4,010 0.48 0.55 0.71 7 6 + Condenser Grooved Tubes 12.62 $506.13 $5.95 $1,201.66 2.374 $972.71 $31.47 $2205.84 2716 $230 0.73 $4,765 $4,442 $3,957 0.56 0.64 0.82 8 7 + Increase Evaporator Fin Density to 14 fpi 12.68 $506.88 $0.75 $1,204.58 2.376 $972.71 $31.47 $2208.76 2704 $229 0.77 $4,757 $4,435 $3,952 0.59 0.67 0.86 9 8 + Scroll Compressor: 11.50 EER / Non-Bleed TXV 13.51 $543.29 $36.41 $1,273.46 2.344 $972.71 $31.47 $2277.64 2538 $215 1.54 $4,669 $4,367 $3,914 1.17 1.34 1.71 10 9 + Increase Evaporator Face Area to 6.60 sq.ft. 14.40 $565.51 $22.22 $1,313.96 2.323 $989.69 $31.47 $2335.12 2381 $202 1.96 $4,579 $4,295 $3,870 1.49 1.71 2.18 11 10 + Increase Condenser Face Area to 18.03 sq.ft. 15.19 $586.24 $20.73 $1,352.51 2.307 $1024.25 $31.47 $2408.23 2257 $191 2.49 $4,535 $4,266 $3,863 1.89 2.17 2.77 12 11 + Increase Evaporator Face Area to 7.50 sq.ft. 15.37 $594.35 $8.11 $1,370.26 2.305 $1030.42 $31.47 $2432.15 2230 $189 2.67 $4,534 $4,268 $3,870 2.03 2.33 2.97 13 12 + Increase Condenser Face Area to 28.33 sq.ft. 15.82 $635.95 $41.60 $1,450.19 2.280 $1099.53 $31.47 $2581.19 2167 $184 3.93 $4,624 $4,365 $3,978 2.99 3.43 4.38 14 13 + Evaporator ECM Fan Motor 16.40 $777.26 $141.31 $1,727.30 2.222 $1099.53 $47.09 $2873.92 2091 $177 6.29 $4,844 $4,595 $4,222 4.79 5.49 7.01 15 14 + Electronic Expansion Valve 16.60 $853.43 $76.17 $1,879.11 2.202 $1099.53 $56.07 $3034.71 2066 $175 7.56 $4,981 $4,735 $4,366 5.77 6.60 8.43 16 15 + Condenser ECM Fan Motor 16.75 $919.98 $66.55 $2,012.64 2.188 $1099.53 $63.68 $3175.85 2047 $173 8.67 $5,105 $4,861 $4,495 6.61 7.56 9.66 17 16 + Two-Speed Recip-Compressor System 18.20 $1,100.67 $180.69 $2,360.10 2.144 $1099.53 $76.66 $3536.29 1884 $160 10.51 $5,312 $5,087 $4,751 8.01 9.17 11.71 18 16 + Variable-Speed Recip-Compressor System 18.58 $1,511.92 $591.94 $3,154.36 2.086 $1099.53 $120.59 $4374.48 1846 $156 16.50 $6,114 $5,894 $5,564 12.58 14.40 18.39 19 16 + Two-Speed Scroll-Compressor System 18.91 $1,411.92 $491.94 $2,974.68 2.107 $1099.53 $116.22 $4190.43 1814 $154 14.83 $5,900 $5,683 $5,360 11.31 12.94 16.53 20 16 + Variable-Speed Scroll-Compressor System 21.18 $1,561.92 $641.94 $3,269.21 2.093 $1099.53 $122.78 $4491.52 1619 $137 15.20 $6,017 $5,824 $5,535 11.59 13.26 16.94 Assumptions: 1 Electricity cost =0.085 $/kWh (average cost in 1999 obtained from an interpolation of the 1995 and 2000 prices of electricity forecast in DOE's Annual Energy Outlook 1993, inflated to 1992 dollars). The interpolated value for 1999 is 0.082 $/kWh (1991$) or 0.085 after adjusting for inflation from 1991 to 1992. The electricity price enduse factor for CAC is 1.0 (no adjustment). 2 Lifetime = 15 years. 3 Baseline unit includes: Evaporator: 4.13 sq.ft., 13 finsfinch, Wavy Fins, 3 tube rows, Groove Tubes Condenser: 12.88 sq.ft., 20 fins/inch, Slit Fins, 1 tube row, Smooth Tubes Compressor: Reciprocating, 10.20 EER (nominal) Evaporator Fan Motor: PSC, 58.5% efficient Condenser Fan Motor: PSC, 55.0% efficient Enhancement Devices: None 4 Non-Bleed Thermostatic Expansion Valve replaces the need for a Time Delay Relay 5 Maximum Sensible Heat Ratio = 76.5% 6 Evaporator ECM Fan Motor is modulated. Cost of fan motor includes electronic modulating controls. 7 Condenser ECM Fan Motor is run at a single speed. 

### Life Cycle Costs and PaybackPeriods of3-lon,SplitSystem CentralAirConditioner
Incr. Installed Annual Annual Cumul. Lifecycle Costs SEER Manufr Manufr Retail Mark Installation Maintenance Consumer Elec. Energy Payback Level Design Option Cost Cost Cost Up Cost Cost Cost use cost Period (1992$) BtuhIW (1992$) (1992$) (1992$) (1992$) (1992$) (1992$) kWb/yr (1992$) (years) 4% 6% 10% 0 Baseline 10.00 $474.00 

# - $1,142.32 2.410 $972.71 $46.69 $2161.72 3427 $290 NA $5,392 $4,983 $4,371 1 

# o+Backward Inclined Indoor Blower 10.28 $474.04 $0.04 $1,142.21 2.410 $972.71 $46.69 $2161.61 3337 $283 -0.01 $5,306 $4,909 $4,313 2 1

### +EvaporatorSlit Fins 10.40 $474.13 $0.09 $1,143.24 2.411 $972.71 $46.69 $2162.64 3297 $279 0.08 $5,269 $4,876 $4,288 3 2

### +Reciprocating Compressor: 10.91 EER 11.34 $481.51 $7.38 $1,153.53 2.396 $972.71 $46.69 $2172.93 3025 $256 0.33 $5,023 $4,663 $4,123 4 3

### +More Efficient Condenser PSC Fan Motor (65.0%) 11.47 $486.46 $4.95 $1,164.12 2.393 $972.71 $39.08 $2175.91 2990 $253 0.38 $4,994 $4,637 $4,104 5 4

### +More Efficient Evaporator PSC Fan Motor(68.5% 11.73 $493.68 $7.22 $1,178.42 2.387 $972.71 $31.47

- $2182.60 2922 $248 0.49 $4,936 $4,588 $4,066 6 5

### +Time Delay Relay 12.18 $500.18 $6.50 $1,190.49 2.380 $972.71 $31.47 $2194.67 2815 $239 0.64 $4,848 $4,512 $4,010 7 6

### +CondenserGroovedTubes 12.62 $506.13 $5.95 $1,201.66 2.374 $972.71 $31.47 $2205.84 2716 $230 0.73 $4,765 $4,442 $3,957 8 7

### +Increase Evaporator Fin Density to 14 fpi 12.68 $506.88 $0.75 $1,204.58 2.376 $972.71 $31.47 $2208.76 2704 $229 0.77 $4,757 $4,435 $3,952 9 8

### +Scroll Compressor: 11.50EER/ Non-Bleed TXV 13.51 $543.29 $36.41 $1,273.46 2.344 $972.71 $31.47 $2277.64 2538 $215 1.54 $4,669 $4,367 $3,914 10 9

### +Increase Evaporator FaceArea to6.60 sq.ft. 14.40 $565.51 $22.22 $1,313.96 2.323 $989.69 $31.47 $2335.12 2381 $202 1.96 $4,579 $4,295 $3,870 11 10

### +Increase Condenser FaceArea to 18.03 sq.ft. 15.19 $586.24 $20.73 $1,352.51 2.307 $1024.25 $31.47 $2408.23 2257 $191 2.49 $4,535 $4,266 $3,863 12 11 

### +Increase Evaporator FaceArea to 7.50sq.ft. 15.37 $594.35 $8.11 $1,370.26 2.305 $1030.42 $31.47 $2432.15 2230 $189 2.67 $4,534 $4,268 $3,870 13 12

### +Increase Condenser FaceArea to 28.33 sq.ft. 15.82 $635.95 $41.60 $1,450.19 2.280 $1099.53 $31.47 $2581.19 2167 $184 3.93 $4,624 $4,365 $3,978 14 13 

### +EvaporatorECM Fan Motor 16.40 $777.26 $141.31 $1,727.30 2.222 $1099.53 $47.09 $2873.92 2091 $177 6.29 $4,844 $4,595 $4,222 15 14

### +ElectronicExpansion Valve 16.60 $853.43 $76.17 $1,879.11 2.202 $1099.53 $56.07 $3034.71 2066 $175 7.56 $4,981 $4,735 $4,366 16 15 

### +Condenser ECM Fan Motor 16.75 $919.98 $66.55 $2,012.64 2.188 $1099.53 $63.68 $3175.85 2047 $173 8.67 $5,105 $4,861 $4,495 17 16

### +Two-Speed Recip-Compressor System 18.20 $1,100.67 $180.69 $2,360.10 2.144 $1099.53 $76.66 $3536.29 1884 $160 10.51 $5,312 $5,087 $4,751 18 16

### +Variable-Speed Recip-Compressor System 18.58 $1,511.92 $591.94 $3,154.36 2.086 $1099.53 $120.59 $4374.48 1846 $156 16.50 $6,114 $5,894 $5,564 19 16

### +Two-Speed Scroll-CompressorSystem 18.91 $1,411.92 $491.94 $2,974.68 2.107 $1099.53 $116.22 $4190.43 1814 $154 14.83 $5,900 $5,683 $5,360 20 16

### +Variable-Speed Scroll-CompressorSystem 21.18 $1,561.92 $641.94 $3,269.21 2.093 $1099.53 $122.78 $4491.52 1619 $137 15.20 $6,017 $5,824 $5,535 A,sumptjons'

1 Electricity cost

# = 0.085 $IkWb (averagecost in 1999 obtllined from an interpolation ofthe 1995 and 2000pricesofelectricity forecast in DOE'sAnnual Energy Outlook 1993,inflated to 1992dollars). The interpolatedvalue for 1999is 0.082 $/kWb (1991$) or0.085 after adjustingfor inflation from 1991 to 1992.The electricity price enduse factor for CACis 1.0(no adjustment). 2 Lifetime

# = 15 years. 3 Baseline unit includes: Evaporator: 4.13 sq.ft., 13 fins/inch, Wavy Fins, 3 tube rows, GrooveTubes Condenser: 12.88sq.ft., 20fins/inch, Slit Fins, 1tuberow, Smooth Tubes Compressor: Reciprocating. 10.20EER (nominal) Evaporator Fan Motor: PSC, 58.5%efficient Condenser Fan Motor: PSC, 55.0% efficient Enhancement Devices: None 4 Non-BleedThermostaticExpansion Valvereplacesthe need for aTime Delay Relay 5 Maximum Sensible Heat Ratio

# = 76.5% 6 EvaporatorECM Fan Motorismodulated. Cost offan motor includes electronicmodulatingcontrols. 7 CondenserECM Fan Motor is run at a single speed. 

### 6/3/94

Cumulative CostofConservedEnergy (cents/kWb) 4% 6% 10% NA NA NA -0.01 -0.01 -0.02 0.06 0.07 0.09 0.25 0.29 0.37 0.29 0.33 0.43 0.37 0.43 0.54 0.48 0.55 0.71 0.56 0.64 0.82 0.59 0.67 0.86 1.17 1.34 1.71 1.49 1.71 2.18 1.89 2.17 2.77 2.03 2.33 2.97 2.99 3.43 4.38 4.79 5.49 7.01 5.77 6.60 8.43 6.61 7.56 9.66 8.01 9.17 

## 11.71 12.58 14.40 18.39 11.31 12.94 16.53 11.59 13.26 16.94

# 6/3/94 

# Life Cycle Cost for 3-ton Split System Central Air Conditioner $6,000 $5,800 $5,600 

# $5,400

$5,000 $4,800 $4,600 $4,400 

# 0- 6% discount rate

$4,200 

# I I 9.0 10.0 9.1.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 21.0 22.0 SEER 

# $6,000 $5,800 $5,600 $5,400**~** t"l 

# $5,200 0\ 0\ '1""'1 

### '-' 

# U U $5,000 .J $4,800 $4,600 $4,400 $4,200 9.0 6/3/94 

# Life Cycle Costfor3-tonSplitSystem CentralAirConditioner 

# 1--0--- 6% discount rate

# 1

0 1 3 15 5 14 6 9

10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 

# SEER 18 20 19

19.0 20.0 21.0 22.0

# 6/3/94 

# Life Cycle Cost for 3-ton Split System Central Air Conditioner $6,200
$5,800
$5,400

$4,600


# $4,200 4% discount rate - - 6% discount rate - - - - 10% discount rate

A 

# $3,800 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 21.0 22.0 SEER 

# $6,200
$5,800
$5,400**~** N Q\ Q\ 

# C $5,000 U

# ~ $4,600
$4,200 

# *
.. '+, 

# 6/3/94 

# Life Cycle Cost for3-ton Split System CentralAirConditioner

---0--- 

# 4% discount rate

- - -6 - - 

# 6% discount rate

- - - -+- - - - 

# 10% discount rate

, 

# • '+

# "",

- ,+

- - -+- - - , 

# -+-----+. 

# $3,800 

# ----1--------1---------1-----1 1 -+1----+----+----+-----+----+---1 9.0 10.0 11.0 12.0 

# 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 21.0 22.0 

# SEER6/3/94 

### Life Cycle Costs and Payback Periods of 5-ton, Split System Central Air Conditioner

Level Design Option SEER Manufr Cost Incr.

Manufr Cost Retail

Cost Mark

Up Installed Installation Maintenance Consumer Cost Cost Cost Annual Elec. use Annual

Energy cost Cumul. Payback Period Lifecycle Costs

(1992$) Cumulative

Cost of Conserved Energy (cents/kWh) Btuh/W (1992$) (1992$) (1992$) (1992$) (1992$) (1992$) kWh/yr (1992$) (years) 4% 6% 10% 4% 6% 10% 0 Baseline 10.01 $666.00

- $1833.05 2.752 $1494.33 $46.69 $3374.07 5783 $490 NA $8,824 $8,134 $7,102 NA NA NA 1 0 + Backward Inclined Indoor Blower 10.29 $666.02 $0.02 $1832.80 2.752 $1494.33 $46.69 $3373.82 5625 $477 -0.02 $8,675 $8,005 $7,000 -0.01 -0.02 -0.02 2 1 + Evaporator Slit Fins 10.38 $666.23 $0.21 $1834.52 2.754 $1494.33 $46.69 $3375.54 5576 $473 0.08 $8,630 $7,966 $6,970 0.06 0.07 0.09 3 2 + Scroll Compressor: 11.30 EER 11.88 $690.87 $24.64 $1881.00 2.723 $1494.33 $46.69 $3422.02 4871 $413 0.62 $8,013 $7,432 $6,563 0.47 0.54 0.69 4 3 + Time Delay Relay 12.34 $697.37 $6.50 $1894.76 2.717 $1494.33 $46.69 $3435.78 4689 $397 0.67 $7,855 $7,296 $6,459 0.51 0.58 0.74 5 4 + More Efficient Evaporator PSC Fan Motor (68.5%) 12.65 $707.14 $9.77 $1916.73 2.711 $1494.33 $39.08 $3450.14 4573 $388 0.74 $7,760 $7,215 $6,398 0.57 0.65 0.83 6 5 + Non-Bleed Thermostatic Expansion Valve 12.97 $714.72 $7.58 $1933.90 2,706 $1494.33 $39.08- $3467.31 4462 $378 0.83 $7,672 $7,140 $6,344 0.63 0.73 0.93 7 6 + More Efficient Condenser PSC Fan Motor (65.0%) 13.09 $721.02 $6.30 $1949.24 2.703 $1494.33 $31.47 $3475.04 4420 $375 0.87 $7,641 $7,114 $6,325 0.67 0.76 0.97 8 7 + Increase Evaporator Fin Density to 14 fpi 13.14 $722.48 $1.46 $1954.22 2.705 $1494.33 $31.47 $3480.02 4405 $373 0.91 $7,632 $7,107 $6,320 0.69 0.79 1.01 9 8 + Increase Evaporator Face Area to 7.50 sq.ft. 13.53 $739.70 $17.22 $1992.38 2.693 $1504.62 $31.47 $3528.47 4276 $362 1.21 $7,558 $7,048 $6,285 0.92 1.05 1.35 10 9 + Condenser Grooved Tubes 13.69 $756.52 $16.82 $2032.62 2.687 $1504.62 $31.47 $3568.71 4226 $358 1.47 $7,551 $7,047 $6,293 1.12 1.29 1.64 11 10 + Increase Condenser Face Area to 27.60 sq.ft. 13.95 $788.74 $32.22 $2106.45 2.671 $1535.49 $31.47 $3673.41 4148 $352 2.16 $7,583 $7,088 $6,348 1.65 1.89 2.41 12 11 + Increase Condenser Face Area to 36.50 sq.ft. 14.22 $850.40 $61.66 $2247.55 2.643 $1595.21 $31.47 $3874.23 4069 $345 3.44 $7,709 $7,224 $6,498 2.63 3.01 3.84 13 12 + Evaporator ECM Fan Motor 14.84 $1,030.66 $180.26 $2654.70 2.576 $1595.21 $47.09 $4297.00 3899 $330 5.78 $7,971 $7,506 $6,810 4.41 5.04 6.44 14 13 + Electronic Expansion Valve 15.04 $1,106.83 $76.17 $2833.01 2.560 $1595.21 $56.07 $4484.29 3847 $326 6.77 $8,110 $7,651 $6,964 5.16 5.90 7.54 15 14 + Condenser ECM Fan Motor 15.11 $1,179.53 $72.70 $3004.41 2.547 $1595.21 $63.68 $4663.30 3830 $325 7.79 $8,273 $7,816 $7,132 5.94 6.80 8.68 

### 16 15 +Two-Speed Recip-Compressor System 16.76 $1,368.28 $188.75 $3427.38 2.505 $1595.21 $80.54 $5103.13 3452 $293 8.75 $8,356 $7,945 $7,328 6.67 7.64 9.75 17 15 + Variable-Speed Recip-Compressor System 17.67 $1,779.53 $600.00 $4353.71 2.447 $1595.21 $132.24 $6081.16 3275 $278 12.74 $9,168 $8,778 $8,193 9.71 11.12 14.20 18 15 +Two-Speed Scroll-Compressor System 17.02 $1,679.53 $500.00 $4169.30 2.482 $1595.21 $127.87 $5892.38 3400 $288 12.47 $9,096 $8,691 $8,084 9.50 10.88 13.89 19 IS+Variable-S Variable-SpeScroll-stem 19.62 $1,829.53 $650.00 $4526.06 2,474 $1595.21 $134.43 $6255.70 2949 $250 12.00 $9,035 $8,683 $8,157 9,15 10.47 13.37 Assumptions: 1 Electricity cost = 0.085 $/kWh (average cost in 1999 obtained from an interpolation of the 1995 and 2000 prices of electricity forecast in DOE's Annual Energy Outlook 1993, inflated to 1992 dollars). The interpolated value for 1999 is 0.082 $/kWh (1991$) or 0.085 after adjusting for inflation from 1991 to 1992. The electricity price enduse factor for CAC is 1.0 (no adjustment). 2 Lifetime = 15 years. 3 Baseline unit includes: Evaporator: 6.00 sq.ft., 13 fins/inch, Wavy Fins, 4 tube rows, Groove Tubes Condenser: 23.00 sq.ft., 20 fins/inch, Slit Fins, 2 tube rows, Smooth Tubes Compressor: Reciprocating, 10.49 EER (nominal); Accumulator Evaporator Fan Motor: PSC, 58.5% efficient Condenser Fan Motor: PSC, 55.0% efficient Enhancement Devices: None 4 Non-Bleed Thermostatic Expansion Valve replaces the need for a Time Delay Relay. 5 Maximum Sensible Heat Ratio = 76.5% 6 Evaporator ECM Fan Motor is modulated, Cost of fan motor includes electronic modulating controls. 7 Condenser ECM Fan Motor is run at a single speed, 

## Life Cycle Costs and Payback Periods ofS-ton, SplitSystem Central Air Conditioner
Incr. Installed Annual Annual Cumul. Lifecycle Costs SEER Manufr Manufr Retail Mark Installation Maintenance Consumer Elec. Energy Payback Level Design Option Cost Cost Cost Up Cost Cost Cost use cost Period (1992$) BtuhlW (1992$) (1992$) (1992$) (1992$) (1992$) (1992$) kWhlyr (1992$) (years) 4% 6% 10% 0 Baseline 10.01 $666.00 

# - $1833.05 2.752 $1494.33 $46.69 $3374.07 5783 $490 NA $8,824 $8,134 $7,102 I 

### 0+Backward Inclined Indoor Blower 10.29 $666.02 $0.02 $1832.80 2.752 $1494.33 $46.69 $3373.82 5625 $477 -0.02 $8,675 $8,005 $7,000 2 

### 1 + Evaporator Slit Fins 10.38 $666.23 $0.21 $1834.52 2.754 $1494.33 $46.69 $3375.54 5576 $473 0.08 $8,630 $7,966 $6,970 

### 3 2 + Scroll Compressor: 11.30EER 11.88 $690.87 $24.64 $1881.00 2.723 $1494.33 $46.69 $3422.02 4871 $413 0.62 $8,013 $7,432 $6,563 4 3 +Time Delay Relay 12.34 $697.37 $6.50 $1894.76 2.717 $1494.33 $46.69 $3435.78 4689 $397 0.67 $7,855 $7,296 $6,459 5 4 +More Efficient Evaporator PSC Fan Motor (68.5%) 12.65 $707.14 $9.77 $1916.73 2.711 $1494.33 $39.08 $3450.14 4573 $388 0.74 $7,760 $7,215 $6,398 6 

### 5 + Non-BleedThermostaticExpansion Valve 12.97 $714.72 $7.58 $1933.90 2.706 $1494.33 $39.08- $3467.31 4462 $378 0.83 $7,672 $7,140 $6,344 7 6 + More Efficient Condenser PSC Fan Motor (65.0%) 13.09 $721.02 $6.30 $1949.24 2.703 $1494.33 $31.47 $3475.04 4420 $375 0.87 $7,641 $7,114 $6,325 

### 8 7 + Increase EvaporatorFin Density to 14 fpi 13.14 $722.48 $1.46 $1954.22 2.705 $1494.33 $31.47 $3480.02 4405 $373 0.91 $7,632 $7,107 $6,320 9 8 + Increase Evaporator FaceAreato 7.50 sq.ft. 13.53 $739.70 $17.22 $1992.38 2.693 $1504.62 $31.47 $3528.47 4276 $362 1.21 $7,558 $7,048 $6,285 10 9 + Condenser GroovedTubes 13.69 $756.52 $16.82 $2032.62 2.687 $1504.62 $31.47 $3568.71 4226 $358 1.47 $7,551 $7,047 $6,293 II 

### 10 +Increase Condenser Face Area to 27.60 sq.ft. 13.95 $788.74 $32.22 $2106.45 2.671 $1535.49 $31.47 $3673.41 4148 $352 2.16 $7,583 $7,088 $6,348 12 II + Increase Condenser Face Areato 36.50 sq.ft. 14.22 $850.40 $61.66 $2247.55 2.643 $1595.21 $31.47 $3874.23 4069 $345 3.44 $7,709 $7,224 $6,498 13 12 + EvaporatorECM Fan Motor 14.84 $1,030.66 $180.26 $2654.70 2.576 $1595.21 $47.09 $4297.00 3899 $330 5.78 $7,971 $7,506 $6,810 14 13 + Electronic Expansion Valve 15.04 $1,106.83 $76.17 $2833.01 2.560 $1595.21 $56.07 $4484.29 3847 $326 6.77 $8,110 $7,651 $6,964 15 14 + Condenser ECM Fatl Motor 15.11 $1,179.53 $72.70 $3004.41 2.547 $1595.21 $63.68 $4663.30 3830 $325 7.79 $8,273 $7,816 $7,132 16 15 +Two-Speed Recip-Compressor System 16.76 $1,368.28 $188.75 $3427.38 2.505 $1595.21 $80.54 $5103.13 3452 $293 8.75 $8,356 $7,945 $7,328 

### 17 15 + Variable-Speed Recip-Compressor System 17.67 $1,779.53 $600.00 $4353.71 2.447 $1595.21 $132.24 $6081.16 3275 $278 12.74 $9,168 $8,778 $8,193 18 15 +Two-Speed Scroll-Compressor System 17.02 $1,679.53 $500.00 $4169.30 2.482 $1595.21 $127.87 $5892.38 3400 $288 12.47 $9,096 $8,691 $8,084 19 15 + Variah1e-Speed Scroll-Compressor System 19.62 $1,829.53 $650.00 $4526.06 2.474 $1595.21 $134.43 $6255.70 2949 $250 12.00 $9,035 $8,683 $8.157 Ass!JmpriQo!\'



### 1 Electricity cost 

### = 0.085 $/kWh (average cost in 1999 obtained from an interpolation ofthe 1995 and 2000prices ofelectricity forecast in DOE's Annual Energy Outlook 1993, inflated to 1992 dollars). Theinterpolated value for 1999 is 0.082 $/kWh (1991$) or0.085 after adjusting for inflation from 1991 to 1992. Theelectricity price enduse factor for CAC is 1.0 (no adjustment). 2 Lifetime

# =15 years. 3 Baseline unit includes: Evaporator: 6.00 sq.fl., 13 fins/inch, Wavy Fins, 4 tube rows, GrooveTubes Condenser: 23.00 sq.fl., 20 finslinch. Slit Fins, 2 tube rows, Smooth Tubes Compressor: Reciprocating, 10.49 EER (nominal); Accumulator Evaporator Fan Motor: PSC, 58.5%efficient Condenser Fan Motor: PSC, 55.0%efficient EnhancementDevices: None 4 Non-Bleed ThermostaticExpanSion Valve replaces the need for aTime Delay Relay. 5 Maximum Sensible Heat Ratio 

### = 76.5% 6 Evaporator ECM FanMotoris modulated. Cost offan motor includes electronic modulating controls. 7 Condenser ECM FanMotorisrun at a**singl~** 

### speed. 6/3/94



### Cumulative CostofConservedEnergy (centsIkWh) 4% 6% 10% NA NA NA -0.01 -0.02 -0.02 0.06 0.07 0.09 0.47 0.54 0.69 0.51 0.58 0.74 0.57 0.65 0.83 0.63 0.73 0.93 0.67 0.76 0.97 0.69 0.79 1.01 0.92 1.05 1.35 1.12 1.29 1.64 1.65 1.89 2.41 2.63 3.01 3.84 4.41 5.04 6.44 5.16 5.90 7.54 5.94 6.80 8.68 6.67 7.64 9.75 9.71 11.12 14.20 9.50 10.88 13.89 9.15 10.47 13.37

# 6/3/94 

# Life Cycle Cost for 5-ton Split System Central Air Conditioner $8,800 $8,600 $8,400 - $8,200 

# 1-1 A $8,000 $7,800 

# $7,600 $7,400 $7,200 $7,000 

# 9.0 I

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# Life Cycle Costfor 5-ton Split System CentralAir Conditioner



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# Life Cycle Cost for 5-ton Split System Central Air Conditioner $9,400 $9,000 $8,600 $8,200 $7,800 

# $7,400 $7,000 $6,600 

# $6,200 4% discount rate - - - - 6% discount rate

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### Life Cycle Costs and Payback Periods of 3-ton, Split System Central Heat Pump 6/3/94

Incr. Installed Annual Elec Use Annual Cumul. Lifecycle Costs Cumulative SEER HSPF Manufr Manufr Retail Mark Installation Maintenance consumer Cooling Heating Energy Payback Co., of Conserved Energy Level Design Option Cost Cost Cost Up Cost Cost cost cost Period (1992$) (cents/kWh) Bluh/W Btuh/W (1992$) (1992$) (1992$) (1992$) (1992$) (1992$) kWh/yr kWh/yr (1992$) (years) 4% 6% 10% 4% 6% 10% 0 Baseline 10.00 6.89 $677.00

- $1757.89 2.597 $902.53 $46.69 $2707.11 3651 8,132 $999 NA $13,812 $12,407 $10,304 NA NA NA 1 0 + Backward Inclined Indoor Blower 10.30 7.00 $677.00 $0.00 $1758.23 2,597 $902.53 $46.69 $2707.45 3544 8,011 $979 0.02 $13,597 $12,220 $10,157 0.03 0.03 0.04 2 1 + Indoor Coll Slit Fins 10.43 7.11 $677.03 $0.03 $1759.03 2.598 $902.53 $46.69 $2708.25 3500 7,889 $965 0.03 $13,441 $12,083 $10,050 0.07 0.08 0.10 3 2 + Increase Indoor Coil Fin Density to 14 fpi 10.17 7.13 $677.69 $0.66 $1761.97 2,600 $902.53 $46.69 $2711.19 3,186 7,858 $962 0.11 $13,402 $12,050 $10,024 0.22 0.25 0.33 1 1 1 More EfGcicnt Indoor PSC Fan Motor (68.5%) 10.72 7.22 .$684.89 $7.20 $1777.70 2.596 $902.53 $39.08 $2719.31 3406 7,760 $9.16 0,23 $13,242 $ 11,911 $9,918 0
.45 0.51 0.65 5 4 + More Efficient Outdoor PSC Fan Motor (65,0% 10.83 7,32 $691.19 $6.30 $1791.83 2.592 $902.53 $31.47 $2725.83 3372 7,658 $935 0.29 $13,120 $11,805 $9,836 0.60 0.69 0.88 6 5 + Time Delay Relay 11.17 7.47 $697.69 $6.50 $1805.58 2.588 $902.53 $31.47 $2739.58 3268 7,506 $913 0.38 $12,893 $11,609 $9,686 0.76 0.87 1.11 7 6 + Reciprocating Compressor: 11.26 EER 11.69 7.68 $708.68 $10.99 $1828.07 2.580 $902.53 $31.47 $2762.07 3125 7,295 $883 0,48 $12,582 $11,340 $9,480 0.94 1.07 1.37 8 7 + Increase Indoor Coil Face Area to 4.97 sq.ft. 12.41 7.97 $722.05 $13.37 $1855.16 2.569 $912.27 $31.47 $2798.90 2941 7,037 $846 0.60 $12,202 $11,013 $9,232 1.16 1.33 1.70 9 8 + Demand Defrost 12.41 8.20 $733.55 $11.50 $1881.64 2.565 $912.27 $31.47 $282538 2941 6,832 $828 0.69 $12,036 $10,871 $9,126 1.50 1.72 2.19 10 9 + Outdoor Coil Grooved Tubes 12.73 8.24 $740.52 $6.97 $1899.33 2.565 $912.27 $31.47 $2843.07 2869 6,803 $820 0.76 $11,958 $10,805 $9,079 1.56 1.79 2.29 11 10+ Increase Indoor Coil Face Area to 6.39 sq.ft. 13.12 8.40 $755.60 $15.08 $1933.47 2.559 $922.01 $31.47 $2886.95 2782 6,674 $802 0.91 $11,799 $10,672 $8,984 1
.86 2.13 2.72 12 11 +Scroll Compressor: 11.50 EER 13.70 8.50 $774.58 $18.98 $1977.80 2.553 $922.01 $31.47 $2931.28 2665 6,591 $785 1.05 $11,654 $10,551 $8,899 2.04 2.34 2.99 13 12 + Non-Bleed Thermostatic Expansion Valves 14.04 8.73 $787.03 $12.45 $2008.24 2.552 $922.01 $31.47 $2961.72 2600 6,422 $765 1.09 $11,464 $ 10,389 $8,778 2.18 2.49 3.18 14 13 + Increase Outdoor Coil Face Area to 21.00 sq.ft. 14.78 9,06 $811.89 $24.86 $2064.03 2,542 $962.27 $31.47 $3057,77 2471 6,184 $734 1.32 $11,214 $10,183 $8,638 2
.67 3.06 3.91 15 14 + Increase Indoor Coil Face Area to 7.50 sq.ft. 15.00 9.13 $822.19 $10.30 $2093.61 2.546 $969.88 $31.47 $3094.96 2434 6,139 $727 1.43 $11,174 $10,152 $8,622 2
.87 3,28 4.19 16 15 + Increase Indoor Coil Tube Density to 4 rows 15.12 9.20 $844.58 $22.39 $2150.25 2.546 $969.88 $31.47 $3151.60 2416 6,092 $721 1.60 $11,169 $10,155 $8,636 3.24 3.70 4.73 17 16 + Increase Outdoor Coil Face Area to 30.00 sq.ft. 15.48 9.32 $890.19 $45.61 $2258.41 2.537 $1030.27 $31.47 $3320.15 2359 6,018 $710 2.12 $11,214 $10,216 $8,720 4.27 4.88 6.24 18 17 + Outdoor ECM Fan Motor 15.59 9.45 $962.89 $72.70 $2427.44 2.521 $1030.27 $39.08 $3496.79 2343 5,935 $702 2.66 $11,298 $10,311 $8,833 5.43 6,21 7.93 19 18+ Electronic Expansion Valve 15.79 9.50 $1,011.23 $48.34 $2545.80 2.518 $1030.27 $48.06 $3624.13 2313 5,904 $696 3.03 $11,368 $10,388 $8,921 6.16 7.06 9.01 20 19 + Indoor I'.CM Fan Motor 1636 9.56 $1,152.53 $141.30 $2858.54 2.480 $1030.27 $63.68 $3952.49 2232 5,865 $686 3.99 $11,583 $10,618 $9,173 7.89 9.04 11.54 

### 21 20+Two-Speed Rccip-Compressor System 17.90 9.60 $1,332.79 $180.26 $3253.31 2.441 $1030.27 $77.62 $4361.20 2040 5,837 $668 4.99 $11,784 $10,845 $9,439 9.23 10.57 13.50 22 20 + Variable-Speed Recip-Compressor System 18.24 10.01 $1,744.04 $591.51 $4140.61 2.374 $1030.27 $123.47 $5294.35 2002 5,601 $644 7.30 $12,459 $11,553 $10,196 14.11 16.15 20.62 23 20 + Two-Speed Scroll-Compressor System 18.48 10.19 $1,644.04 $491.51 $3976.12 2.419 $1030.27 $119.10 $5125.49 1976 5,500 $634 6.62 $12,171 $11,280 $9,945 12.99 14.87 18.98 24 20+ Variable-Speed Scroll-Compressor System 20.83 11.01 $1,794.04 $641.51 $4327.81 2.412 $1030.27 $125.66 $5483.74 1753 5,089 $580 6.63 $11,932 $11,116 $9,895 13.15 15.06 19.23 Assumptions: 1 Electricity cost=0.085$/kWh (average cost in 1999 obtained from an interpolation of the 1995 and 2000 prices of electricity forecast in DOE's Annual Energy Outlook 1993, inflated to 1992 dollars). The interpolated value for 1999 is 0,082 $/kWh (1991$) or 0.085 after adjusting for inflation from 1991 to 1992. The electricity price enduse factor for CAC is 1.0 (no adjustment). 2 Lifetime = 15 years. 3 Vaseline unit includes: Indoor Coil: 3.55 sq.ft., 13 fins/inch, Wavy Fins, 3 tube rows, Groove Tubes Outdoor Coil: 15.00 sq.ft., 20 fins/inch, Slit Fins, 1 tube row, Smooth Tubes Compressor: Reciprocating, 10.80 EER (nominal); Accumulator Indoor Fan Motor: PSC, 58.5% efficient Outdoor Fan Motor: PSC, 55.0% efficient Enhancement Devices: None 4 All Two-Speed and Variable-Speed Compressor Systems include an Accumulator. 5 Maximum Sensible Heat Ratio = 76.5% 6 Non-Bleed Thermostatic Expansion Valves replace the need for a Time Delay Relay and an Accumulator. 7 Evaporator ECM Fan Motor is modulated. Cost of fan motor includes electronic modulating controls. 8 Condenser ECM Fan Motor is run at a single speed. 

### Life Cycle Costs and PaybackPeriodsof3·ton,SplitSystem CentralHeatPump
Incr. Installed AnnualElec Use Annual Cumu!. SEER HSPF Manurr Manurr Retail Mark Installation Maintenance consumer Cooling Heating Energy Payback Level Design Option Cost Cost Cost Up Cost Cost cost cost Period BtuhiW BtuhlW (1992$) (1992$) (1992$) (1992$) (1992$) (1992$) kWh/yr kWhlyr (1992$) (years) 

## a Baseline 10.00 6.89 $677.00 

# - $1757.89 2.597 $902.53 $46.69 $2707.11 3651 8,132 S999 NA I 

## o+Backward Inclined Indoor Blower 10.30 7.00 S677.00 $0.00 $1758.23 2.597 $902.53 $46.69 $2707.45 3544 8,011 $979 0.G2 2 1

### +IndoorCoil SlitFins 10,43 7.11 S677.03 $0.03 $1759.03 2.598 S902.53 $46.69 $2708.25 3500 7,889 $965 0.03 ) 2 • Increase Indoor Coil Fin Densily 10 14 fpi 10.47 7.13 $077.69 $0.66 $1761.97 2.600 $902.53 $46.69 $2711.19 3,186 7,858 $962 0.11 ·1 \ I MOle"**1~llidl!lIt** 11It!l>l)l' PSt:' Fun Motor (6H.YX,) 10.72 7.22 .$6H·I.H9 $7.20 $1777.70 2.596 $902.53 $39.08 $2719.31 )·106 7,760 $946 0.23 5 4

### + More EmcientOutdoorPSC Fan Molor (65.0% 10.83 7.32 $691.19 $6.30 $1791.83 2.592 $902.53 $31.47 $2725.83 3372 7,658 $935 0.29 (, 5

### +Time Delay Relay 11.17 7.47 $697.69 $6.50 $1805.58 2.588 S902.53 $31.47 $2739.58 3268 7,506 S913 0.38 7 6 

### +ReciprocatingCompressor: 11.26 EER 11.69 7.68 $708.68 $10.99 $1828.07 2.580 $902.53 $31.47 $2762.07 3125 7,295 $883 0,48 8 7

### +Increase IndoorCoil Face Area to 4.97 sq.ft. 12.41 7.97 $722.05 $13.37 $1855.16 2.569 S912.27 S31.47 $2798.90 2941 7,037 $846 0.60 9 8

### + Demand Defrost 12.41 8.20 $733.55 $11.50 $1881.64 2.565 $912.27 $31.47 $2825.38 2941 6,832 S828 0.69 10 9 

### +OutdoorCoil Grooved Tubes 12.73 8.24 $740.52 $6.97 $1899.33 2.565 $912.27 $31.47 $2843.07 2869 6,803 $820 0.76 II 10 

### + Increase Ind(xlfCoil FaceArea to 6.39 s'l.ft. 13.12 8.40 $755.60 $15.08 $1933.47 2.559 $922.01 $31.47 $2886.95 2782 6,674 $802 0.91 12 1 I 

### +Scroll Compressor: 11.50 EER 13.70 8.50 $774.58 .$18.98 $1977.80 2.553 $922.01 $31.47 $2931.28 2665 6,591 $785 1.05 13 12 

### +Non-Bleed ThennostalicExpansion Valves 14.04 8.73 $787.G3 $12.45 $2008.24 2.552 $922.01 $31.47 $2961.72 2600 6,422 $765 1.09 14 13 

### +Increase OutdoorCoil Fllce Aren 1021.00s'l.ft. 14.78 9.06 $811.89 $24.86 $2064.03 2.542 $962.27 $31.47 $3057.77 2471 6,184 $734 1.32 15 14 

### +Incrense IndoorCoil Face Aren to 7.50 s'l.ft. 15.00 9.13 $822.19 $10.30 $2093.61 2.546 $969.88 $31.47 $3094.96 2434 6,139 $727 1.43 16 15 

### + Increase IndoorCoil Tube Density 10 4 rows 15.12 9.20 $844.58 $22.39 $2150.25 2.546 $969.88 $31.47 $3151.60 2416 6,092 $721 1.60 17 16 

### +Increase OutdoorCoilFace Area to 30.00 sq.ft. 15.48 9.32 $890.19 $45.61 $2258.41 2.537 S1030.27 $31.47 $3320.15 2359 6,018 $710 2.12 18 17 

### +OutdoorECMFan Motor 15.59 9.45 $962.89 $72.70 $2427.44 2.521 $1030.27 $39.08 $3496.79 2343 5,935 $702 2.66 19 18 

### +Electronic Expansion Valve 15.79 9.50 $1.011.23 $48.34 $2545.80 2.518 $1030.27 $48.06 $3624.13 2313 5,904 $696 3.03 211 I!) +Indoor ECM Fan Motor 16.36 9.56 $1.152.53 $141.30 $2858.54 2.480 $1030.27 $63.68 $3952.49 2232 5,865 $686 3.99 21 20 

### +Two·Speed Recip-Compressor Sys1em 17.90 9.60 $1,332.79 $180.26 $3253.31 2.441 $1030.27 $77.62 $4361.20 2040 5,837 $668 4.99 22 20

### +Vadable-Spced Recip-Compressor Syslem 18.24 10.01 $1,744.04 $591.51 $4140.61 2.374 $1030.27 $123.47 $5294.35 2002 5,601 $644 7.30 23 20 

### +Two-Speed Scroll·Compressor Syslem 18.48 10.19 $1,644.04 $491.51 $3976.12 2.419 $1030.27 $119.10 $5125.49 1976 5,500 $634 6.62 24 20 

### +Vadable·Speed Scroll·Compressor System 20.83 11.01 $1.794.04 $641.51 $4327.81 2.412 $1030.27 $125.66 $5483.74 1753 5.089 $580 6.63 Assumptions:

1 Electricity cost= 0.085 $/kWh (average costin 1999 obtained from an interpolation ofthe 1995 and 2000prices ofelectricity forecastin DOE'sAnnual Energy Outlook 1993, inflated

to 1992 dollars). Theinterpolated value for 1999is 0.082 S/kWh (1991$) or0.085 afteradjusting for inflation from 1991 to 1992. Theelectricity priceenduse factor for CACis 1.0 (no adjustment). 2 Lifetime

# =15 years. 3 Baseline unit includes: IndoorCoil: 3.55 sq.ft., !3 fins/inch, Wavy Fins, 3 lube rows, Groove Tubes OutdoorCoil: 15.00 sq.ft.• 20 fins/inch. Slit Fins. 1 lube row, Smoolh Tubes Compressor: Reciprocating, 10.80EER (nominal); Accumulator IndoorFan Motor: PSC, 58.5%efficient OuldoorFan Molor: PSC, 55.0%efficient Enhancement Devices: None 4 All Two-Speed and Variable-Speed Compressor Systems include an Accumulator. 5 Maximum Sensible HeatRatio = 76.5% 6 Non·Bleed ThennostaticExpansion Valves replace the need for aTime Delay Relay and an Accumulator. EvaporatorECM Fan Motoris modulaled. Cost offan molorincludes eleclronic modulating controls. CondenserECM Fan Motoris run at a single speed. 6/3/94
LifecycleCosts Cumulative CostofConservedEnergy (1992$) (cents/kWb) 4% 6% 10% 4% 6% 10% $13,812 S12,407 SI0,304 NA NA NA $13,597 $12,220 S10,157 0.03 0.03 0.04 $13,441 $12,083 $10,050 0.07 0.08 0.10 $13,402 $12,050 $10,024 0.22 0.25 0.33 $13,242 $11,911 $9,918 0.45 0.51 

### 0.65 $13,120 $11,805 $9,836 0.60 0.69 0.88 S12,893 $11,609 $9,686 0.76 0.87 1.11 $12,582 $11,340 $9,480 0.94 1.07 1.37 $12,202 $11,013 $9,232 1.16 1.33 1.70 $12,036 $10,871 $9,126 1.50 1.72 2.19 $11,958 $10,805 $9,079 1.56 1.79 2.29 $11,799 $10,672 $8,984 1.86 2.13 2.72 $11,654 $10,551 $8,899 2.04 2.34 2.99 $11,464 $10,389 $8,778 2.18 2.49 3.18 $11,214 $10,183 $8,638 2.67 3.06 3.91 SII,174 $10,152 $8,622 2.87 3.28 4.19 $11,169 $10,155 $8,636 3.24 3.70 4.73 $11,214 $10,216 $8,720 4.27 4.88 6.24 $11,298 $10,311 $8,833 5.43 6.21 7.93 $11,368 $10,388 $8,921 6.16 7.06 9.01 $11,583 $10,618 $9,173 7.89 9.04 11.54 $11,784 $10,845 $9,439 9.23 10.57 13.50 $12,459 $11,553 $10,196 14.11 16.15 20.62 $12,171 $11,280 $9,945 12.99 14.87 18.98 $11,932 $11,116 $9,895 13.15 15.06 19.23

# 6/3/94 

# Life Cycle Cost for 3-ton Split System

Central Heat Pump $12,500 

# o 6% discount rate $12,000

$10,500

$10,000 i i I i , I 15

9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 21.0 SEER 

# $12,500 0

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# $11,000 9 $10,500

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# Life Cycle Costfor 3-ton Split System CentralHeatPump



# I

# ~G-- 6% discountrate 

# I

10 11 

# 12 20 13 18 19 17 15 13.0 14.0 15.0 16.0 17.0 SEER 

# 22 23 24
21

18.0 19.0 20.0 21.0

# 6/3/94 

# Life Cycle Cost for 3-ton Split System

Central Heat Pump $14,000 $13,500 $13,000 $12,500 $12,000 $11,500 $11,000 $10,500 $10,000 $9,500 $9,000 $8,500 A 10% discount rate

9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 21.0 SEER 4% discount rate 

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# Life Cycle Costfor 3-ton Split System Central HeatPump

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### Life Cycle Costs and Payback Periods of 5-ton, Split Systeni Central Heat Pump 6/3/94
Incr, Installed Annual Elec Use Annual Cumul. Lifecycle Costs Cumulative SEER HSPF Manufr Manufr Retail Mark Installation Maintenance Consumer Cooling Hearing Energy Payback Cost of Conserved Energy Level Design Option Cost Cost Cost Up Cost Cost Cost cost Period (1992$) (cents/kWh) Btuh/W Btuh/W (1992$) (1992$) (1992$) (1992$) (1992$) (1992$) kWh/yr kWh/yr (1992$) (years) 4% 6% 10% 4% 6% 10% 0 Baseline 10.00 7.09 $934.00

- $2689.81 2.880 $1151.54 $46.69 $3898.04 5798 13,556 $1,640 NA $22,137 $19,830 $16,375 NA NA NA 1 0 + Backward Inclined Indoor Blower 10.30 7.21 $934.03 $0.03 $2690.15 2.880 $1161.54 $46.69 $3898.38 5629 13,328 $1,607 0.01 $21,764 $19,504 $16,120 0.02 0.02 0.03 2 1 + Indoor Coil Slit Fins 10.38 7.27 $934.25 $0.22 $2691.99 2.881 $1161.54 $46.69 $3900.22 5584 13,211 $1,593 0.05 $21,612 $19,372 $16,017 0.09 0.10 0.13 

### 3 2 + Time Delay Relay 10.68 7.40 $940.75 $6.50 $2707.39 2.878 $1161.54 $46.69 $3915.62 5429 12,981 $1,560 0.22 $21,265 $19,071 $15,784 0.43 0.49 0.63 4 3 + Scroll Compressor: 11.30 EER 12.30 7.80 $965.13 $24.38 $2759.84 2.860 $1161.54 $46.69 $3968.07 4715 12,320 $1,444 0.36 $20,022 $17,992 $14,951 0.58 0.67 0.85 5 4 + More Efficient Outdoor PSC Fan Motor (65,0% 12.42 7.89 $971.43 $6.30 $2775.65 2.857 $1161.54 $39.08 $3976.27 4666 12,176 $1,428 0.37 $19,849 $17,841 $14,835 0.62 0.71 0.91 6 5 + Increase Indoor Coil Fin Density to 14 fpi 12.46 7.93 $973.16 $1.73 $2781.39 2.858 $1161.54 $39.08 $3982.01 4653 12,117 $1,421 0.38 $19,785 $17,787 $14,793 0.66 0.76 0.96 7 6 + More Efficient Indoor PSC Fan Motor (68.5%) 12.81 8.04 $982.92 $9.76 $2804.76 2.853 $1161.54 $31.47 $3997.77 4525 11,946 $1,396 0.41 $19,520 $17,557 $14,617 0.70 0.81 1.03 8 7 + Demand Defrost 12.81 8.29 $994.42 $11.50 $2831.93 2.848 $1161.54 $31.47 $4024.94 4525 11,598 $1,367 0.46 $19,219 $17,298 $14,419 0.90 1.03 1.31 9 8 + Non-Bleed Thermostatic Expansion Valves 13.13 8.53 $1,016.08 $21.66 $2882.25 2.837 $1161.54 $31.47 $4075.26 4415 11,266 $1,329 0.57 $18,853 $16,984 $14,185 1.15 1.32 1.68 10 9 + Increase Indoor Coil Face Area to 7.50 sq.ft. 13.51 8.63 $1,033.92 $17.84 $2930.38 2.834 $1171.83 $31.47 $4133.68 4292 11,137 $1,308 0.71 $18,674 $16,835 $14,081 1.41 1.61 2.06 It 10 + Outdoor Coil Grooved Tubes 13.71 8.66 $1,048.28 $14.36 $2973.02 2.836 $1171.83 $31.47 $4176.32 4229 11,102 $1,299 0.82 $18,624 $16,797 $14,060 1.60 1.83 2.33 

### 12 11 + Increase Outdoor Coil Face Area to 27.30 sq.ft 14.17 8.89 $1,106.40 $58.12 $3123.05 2.823 $1224.17 $31.47 $4378.69 4093 10,807 $1,263 1.27 $18,420 $16,645 $13,985 2.54 2.90 3.71 13 12 + Electronic Expansion Valve 14.37 8.94 $1,154.74 $48.34 $3255.14 2.819 $1224.17 $40.45 $4519.76 4036 10,747 $1,253 1.60 $18,451 $16,689 $14,050 3.17 3.63 4.64 14 13 + Outdoor ECM Fan Motor 14.44 9.05 $1,227.44 $72.70 $3443.89 2.806 $1224.17 $48.06 $4716.12 4014 10,616 $1,240 2.04 $18,504 $16,760 $14,148 4.13 4.72 6.03 15 14 + Increase Outdoor Coil Face Area to 36.50 sq.ft 14.63 9.13 $1,295.30 $67.86 $3630.06 2.802 $1285.90 $48.06 $4964.02 3963 10,527 $1,228 2.59 $18,619 $16,892 $14,306 5.23 5.98 7.64 16 15 + Indoor ECM Fan Motor 15.35 9.22 $1,475.55 $180.25 $4080.04 2.765 $1285.90 $63.68 $5429.62 3778 10,419 $1,203 3.50 $18,808 $17,116 $14,582 6.82 7.81 9.97 17 16 + Two-Speed Recip-Compressor System 16.98 9.23 $1,664.30 $188.75 $4576.41 2.750 $1285.90 $80.83 $5943.14 3415 10,409 $1,172 4.36 $18,970 $17,323 $14,855 7.72 8.84 11.28 18 16 + Variable-Speed Recip-Compressor System 17.16 9.78 $2,075.55 $600.00 $5654.91 2.725 $1285.90 $133.11 $7073.92 3378 9,831 $1,120 6.10 $19,522 $17,947 $15,589 11.80 13.51 17.26 19 16+Two-Speed Scroll-Compressor System 17.30 10.02 $1,975.55 $500.00 $5553.75 2.811 $1285.90 $128.74 $6968.39 3352 9,586 $1,097 5.65 $19,161 $17,619 $15,309 11.29 12.93 16.50 20 16 + Variable-Speed Scroll-Compressor Sstem 19.16 10.31 $2,125.55 $650.00 $6047.76 2.845 $1285.90 $135.29 $7468.95 3026 9,322 $1,047 6.01 $19,105 $17,633 $15,429 11.59 13.26 16.94 Assumptions: I Electricity cost = 0.085 $/kWh (average cost in 1999 obtained from an interpolation of the 1995 and 2000 prices of electricity forecast in DOE's Annual Energy Outlook 1993, inflated to 1992 dollars). The interpolated value for 1999 is 0,082 $/kWh (1991$) or 0.085 after adjusting for inflation from 1991 to 1992

. The electricity price enduse factor for CAC is 1.0 (no adjustment). 2 Lifetime= 15 years. 3 Baseline unit includes: Indoor Coil: 6.00 sq.ft., 13 fins/inch, Wavy Fins, 4 tube rows, Groove Tubes Outdoor Coil: 19.5 sq.ft., 20 fins/inch, Slit Fins, 2 tube rows, Smooth Tubes Compressor: Reciprocating, 10.49 EER (nominal); Accumulator Indoor Fan Motor: PSC, 58.5% efficient Outdoor Fan Motor: PSC, 55.0% efficient Fnhancenarst Devices: None. 4 Maximum Sensible Heat Ratio = 76.5% 5 Non-Bleed Thermostatic Expansion Valves replace the need for a Time Delay Relay; Accumulator still required due to excess refrigerant. 6 Evaporator ECM Fan Motor is modulated. Cost of fan motor includes electronic modulating controls. 7 Condenser ECM Fan Motor is run at a single speed. 

### Life Cycle**Cost~** 

### and Payback Periodsof5-ton, SplitSystem Central Heat Pump
Incl'. Installed Annual Elec Use Annual Cumu!. SEER HSpr Manurr Manurr Retail Mark Installation Maintenance Consumer Cooling Heating Energy Payback Level Design Option Cost Cost Cost Up Cost Cost Cost cost Period BtuhlW BtuhlW (1992$) (1992$) (1992$) (1992$) (1992$) (1992$) kWh/yr kWhlyr (1992$) (years) 0 Baseline 10.00 7.09 $934.00 $2689.81 2.880 S11·51.54 $46.69 $3898.04 5798 13,556 $1,640 NA I 

## o+Backward Indincd IndoorBlower 10.30 7.21 $934.03 $0.03 $2690.15 2.880 $1161.54 $46.69 $3898.38 5629 13,328 $1,607 0.01 2 1+ IndoorCoil SlitFins 10.38 7.27 $934.25 $0.22 $2691.99 2.881 $1161.54 $46.69 $3900.22 5584 13,211 $1,593 0.05 3 2 +Time Delay Relay 10.68 7.40 S940,75 S6.50 $2707.39 2.878 S1161.54 $46.69 $3915.62 5429 12,981 $1,560 0.22 

# • 3 +Scroll Compressor: I I.30EER 12.30 7.80 $965.13 $24.38 $2759.84 2.860 $1161.54 $46.69 $3968.07 4715 12,320 $1,444 0.36 5 4 + More Efficient OutdoorPSC Fan Motor (65.0% 12.42 7.89 $971.43 $6.30 $2775.65 2.857 $1161.54 $39.08 $3976.27 4666 12,176 $1,428 0.37 6 5 + Increase IndoorCoilFin Densityto 14 fpi 12.46 7.93 $973.16 $1.73 S2781.39 2.858 $1161.54 $39.08 $3982.01 4653 12,117 $1,421 0.38 7 6 + MoreEfficient IndoorPSC Fan Motor (68.5%) 12.81 8.04 $982.92 $9.76 $2804.76 2.853 $1161.54 $31.47 $3997.77 4525 11,946 $1,396 0.41 8 7 + Demand Defrost 12.81 8.29 $994.42 $11.50 $2831.93 2.848 $1161.54 $31.47 $4024.94 4525 11,598 $1,367 0.46 9 8+ Non-Bleed Thennostatic Expansion Valves 13.13 8.53 $1,016.08 $21.66 $2882.25 2.837 $1161.54 $31.47 $40]5.26 4415 11,266 $1,329 0.57 10 9 + Increase IndoorCoil Face Area to 7.50sq.ft. 13.51 8.63 $1,033.92 $17.84 $2930.38 2.834 $1171.83 $31.47 $4133.68 4292 11,137 $1,308 0.71 11 10+OutdoorCoilGrooved Tubes 13.71 8.66 $1,048.28 $14.36 $2973.02 2.836 $1171.83 $31.47 $4176.32 4229 11,102 $1,299 0.82 12 11 + Increase OutdoorCoil Face Area to 27.30sq.ft 14.17 8.89 $1,106.40 $58.12 $3123.05 2.823 $1224.17 $31.47 $4378.69 4093 10,807 $1,263 1.27 13 12 +Electronic Expansion Valve 14.37 8.94 $1,154.74 $48.34 $3255.14 2.819 $1224.17 $40.45 $4519.76 4036 10,747 $1,253 1.60 I. 13 

### +OutdoorECM Fan Motor 14.44 9.05 $1,227.44 $72.70 $3443.89 2.806 $1224.17 $48.06 $4716.12 4014 10,616 $1,240 2.04 15 14 + Increase OutdoorCoil Face Area to 36.50sq.ft 14.63 9.13 $1,295.30 $67.86 $3630.06 2.802 $1285.90 $48.06 $4964.02 3963 10,527 $1,228 2.59 16 15 

### +IndoorECMFan Motor 15.35 9.22 $1,475.55 $180.25 $4080.04 2.765 $1285.90 $63.68 $5429.62 3778 10,419 $1,203 3.50 17 16

### +Two-Speed Recip-CompressorSystem 16.98 9.23 $1,664.30 $188.75 $4576.41 2.750 $1285.90 $80.83 $5943.14 3415 10,409 $1,172 4.36 18 16 + Variable-Speed Recip-Compressor System 17.16 9.78 $2,075.55 $600.00 $5654.91 2.725 $1285.90 $133.11 $7073.92 3378 9,831 $1,120 6.10 19 16 +Two-Speed Scroll-CompressorSystem 17.30 10.02 $1,975.55 $500.00 $5553.75 2.811 $1285.90 $128.74 $6968.39 3352 9,586 $1,097 5.65 20 16 +Variable-Speed Scroll-Compressor System 19.16 10.31 $2.125.55 $650.00 $6047.76 2.845 $1285.90 $135.29 $7468.95 3026 9,322 S1,047 6.01 i\'isumptions:

1 Electricity cost;0.085S/kWh (average costin 1999 obtained from an interpolation ofthe 1995 and 2000 prices ofelectricity forecastin DOE's AnnualEnergy Outlook 1993, inflated to 1992 dollars). The interpOlated value for 1999is 0.082S/kWh (1991S) or0.085after adjusting for inflation from 1991 to 1992.The electricity price enduse factor for CACis 1.0(no adjustment). Lifetime; 15 years. Baseline unit includes: IndoorCoil: 6.00sq.ft., 13 fins/inch, Wavy Fins, 4tube rows, Groove Tubes OutdoorCoil: 19.5 sq.ft.. 20fins/inch, SlitFins, 2 tube rows, Smooth Tubes Compressor: Reciprocating. 10.49EER (nominal); Accumulator IndoorFan Motor: PSC, 58.5%efficient OutdoorFan Motor: PSC, 55.0%efficient 11nhnnCcIHeflt Devices: None Maximum Sensible Heat Ratio; 76.5% Non-Bleed Thennostatic Expansion Valves replace the need [or aTime Delay Relay; Accumulatorstill required due to excess refrigerant. 6 EvaporatorECM Fan Motoris modulated. Cost offan motorincludes electronic modulating controls. CondenserECM Fan Motoris run at asingle speed. 6/3/94
Lifecycle Costs Cumulative CostofConserved Energy (1992$) (centslkWh) 4% 6% 10% 4% 6% 10% S22,137 S19,830 S16,375 NA NA NA $21,764 $19,504 $16,120 0.02 0.02 0.03 $21,612 $19,372 $16,017 0.09 0.10 0.13 $21,265 $19,071 $15,784 0.43 0.49 0.63 $20,022 $17,992 $14,951 0.58 0.67 0.85 $19,849 $17,841 $14,835 0.62 0.71 0.91 $19,785 $17,787 $14,793 0.66 0.76 0.96 $19,520 $17,557 $14,617 0.70 0.81 1.03 $19,219 $17,298 $14,419 0.90 1.03 1.31 $18,853 $16,984 $14,185 1.15 1.32 1.68 $18,674 $16,835 .$14,081 1.41 1.61 2.06 $18,624 $16,797 $14,060 1.60 1.83 2.33 $18,420 $16,645 $13,985 2.54 2.90 3.71 $18,451 $16,689 $14,050 3.17 3.63 4.64 $18,504 $16,760 $14,148 4.13 4.72 6.03 $18,619 $16,892 $14,306 5.23 5.98 7.64 $18,808 $17,116 $14,582 6.82 7.81 9.97 $18,970 $17,323 $14,855 7.72 8.84 11.28 $19,522 $17,947 $15,589 11.80 13.51 17.26 $19,161 $17.619 $15,309 11.29 12.93 16.50 $19,105 $17,633 $15,429 11.59 13.26 16.94

# 6/3/94 

# Life Cycle Cost for 5-ton Split System

Central Heat Pump $20,000
$19,500
$19,000

U $18,000
$17,500 

# $17,000
$16,500 1 ' i 

# ® 6% discount rate

9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 SEER 

# $20,000 

# o $19,500

-- 3 

# $19,000-- 6/3/94 

# Life Cycle Costfor 5-ton Split System CentralHeatPump 

# l-III-,- 6% discountrate I**--~-.** --------"---

..**----~-**

# 6/3/94 

# Life Cycle Cost for 5-ton Split System

Central Heat Pump $22,500 $21,500 $20,500 

# $19,500 $18,500 $17,500 

# $16,500 $15,500 $14,500 $13,500 ; i I i i I i 4% discount rate 

# - - A - - 6% discount rate

10% discount rate



# I-I 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 SEER 

# $22,500 $21,500 $20,500 $19,500

,-.., fI'T

## ~ 

# $18,500 Q\ ...-I 

### '-" 

# U 

# $17,500 U**~** 

# $16,500 $15,500 $14,500 $13,500 9.0 10.0 11.0 

# 6/3/94 

# Life Cycle Costfor 5-ton Split System CentralHeatPump

12.0 13.0 14.0 15.0 16.0 

# SEER -0- 

# 4% discountrate

- - -6 - - 

# 6% discountrate

- - - -+- - - - 

# 10% discountrate

- - -+



# 17.0 18.0 19.0 20.0

### 6/3/94 

### Life Cycle Costs and Payback Periods of 3-ton, Single Package System Central Air Conditioner

Level Design Option SEER Manufr Cost Incr.

Manufr Cost Retail

Cost Mark

Up Installed Installation Maintenance Consumer Cost Cost Cost Annual Elec. use Annual

Energy cost Cumul. Payback Period Lifecycle Costs

(1992$) Cumulative

Cost of Conserved Energy (cents/kWh) Btuh/W (1992$) (1992$) (1992$) (1992$) (1992$) (1992$) kWh/yr (1992$) (years) 4% 6% 10% 4% 6% 10% 0 Baseline 9.70 $474.00

- $919.59 1.940 $1968.37 $46.69 $2934.65 3533 $299 NA $6,264 $5,843 $5,213 NA NA NA 1 0+ Backward Inclined Indoor Blower 9.97 $474.04 $0.04 $919.49 1.940 $1968.37 $46.69 $2934.55 3440 $292 -0.01 $6,177 $5,767 $5,152 -0.01 -0.01 -0.01 2 1 + Evaporator Slit Fins 10.09 $474.13 $0.09 $920.33 1.941 $1968.37 $46.69 $2935.39 3399 $288 0.06 $6,138 $5,733 $5,126 0.05 0.06 0.07 3 2 + Reciprocating Compressor: 10.91 EER 11.00 $481,51 $7.38 $928.60 1.929 $1968.37 $46.69 $2943.66 3118 $264 0.26 $5,882 $5,511 $4,954 0.20 0.22 0.29 4 3 + More Efficient Condenser PSC Fan Motor (65.0%) 11.12 $486.46 $4.95 $937.13 1.926 $1968.37 $39.08 $2944.58 3083 $261 0.26 $5,850 $5,482 $4,932 0.20 0.23 0.29 5 4 + More Efficient Evaporator PSC Fan Motor (68.5%) 11.38 $493.68 $7.22 $948.64 1.922 $1968.37 $31.47 $2948.48 3013 $255 0.31 $5,787 $5,428 $4,891 0.24 0.27 0.35 6 5 + Time Delay Relay 11.81 $500.18 $6.50 $958.36 1.916 $1968.37 $31.47 $2958.20 2902 $246 0.44 $5,693 $5,348 $4,829 0.34 0.38 0.49 7 6 + Condenser Grooved Tubes 12.25 $506.13 $5.95 $967.35 1.911 $1968.37 $31.47 $2967.19 2800 $237 0.52 $5,606 $5,272 $4,772 0.40 0.46 0.58 8 7 + Increase Evaporator Fin Density to 14 fpi 12.30 $506.88 $0.75 $969.71 1.913 $1968.37 $31.47 $2969.55 2788 $236 0.55 $5,597 $5,265 $4,767 0.42 0.48 0.62 9 8 + Scroll Compressor: 11.50 EER / Non-Bleed TXV 13.11 $543.29 $36.41 $1025.15 1.887 $1968.37 $31.47 $3024.99 2616 $222 1.16 $5,490 $5,179 $4,712 0.89 1.01 1.30 10 9 + Increase Evaporator Face Area to 6.60 sq.ft. 13.97 $565.51 $22.22 $1062.56 1.879 $1985.35 $31.47 $3079.38 2455 $208 1.58 $5,393 $5,100 $4,662 1.21 1.38 1.76 11 10 + Increase Condenser Face Area to 18.03 sq.ft. 14.74 $586.24 $20.73 $1104.49 1.884 $2019.91 $31.47 $3155.87 2327 $197 2.16 $5,349 $5,071 $4,656 1 .65 1.89 2.41 12 11 + Increase Evaporator Face Area to 7.50 sq.ft. 14.91 $594.35 $9.11 $1131.44 .904 $2026.08 $31.47 $3188.99 2299 $195 2.43 $5,356 $5,082 $4,671 1.85 2.12 2.71 

### 13 12 + Increase Condenser Face Area to 28.33 sq.ft. 15.35 $635.95 $41.60 $1220.67 1.919 $2095.19 $31.47 $3347.33 2234 $189 3.75 $5,453 $5,187 $4,788 2.86 3.27 4.18 

### 14 13 + Evaporator ECM Fan Motor 

### 15,91 $777.26 $141.31 $1469,40 1.890 $2095.19 $47.09 $3611,08 2155 $183 5.80 $5,643 $5,386 $5,001 4.42 5.06 6,46 15 14+ Electronic Expansion Valve 16.10 $853.43 $76.17 $1618.02 1.896 $2095.19 $56.07 $3769.28 2129 $180 7.01 $5,776 $5,522 $5,142 5.35 6.12 7.82 16 15 + Condenser ECM Fan Motor 16.25 $919.98 $66.55 $1751.92 1.904 $2095.19 $63.68 $3910.79 2109 $179 8.09 $5,899 $5,647 $5,271 6.17 7.06 9.01 17 l6+Two-Speed )2ecip-Compressor System 17,66 $1,1(x).67 $180.69 $2079.22 1,889 $2095.19 $76.66 $4251.07 1942 $165 9,76 $6,081 $5,849 $5,503 7.44 8.52 10.87 18 16 + Variable-Speed Recip-Compressor System 18.03 $1,511.92 $591.94 $2814.41 1.861 $2095.19 $120.59 $5030.19 1902 $161 15.16 $6,823 $6,596 $6,256 11 .55 13.23 16.89 19 16 +Two-Spced Scroll-Compressor System 18.35 $1,411.92 $491.94 $2753.84 1,950 $2095.19 $116.22 $4965.25 1869 $158 14.40 $6,727 $6,504 $6,170 10.97 12.56 16.04 20 16 + Variable-Speed Scroll-Compressor System 20.55 $1,561.92 $641.94 $3092.61 1.980 $2095.19 $122.78 $5310.58 1668 $141 15.03 $6,883 $6,684 $6,386 11.46 13.12 16.75 Assumptions 1 Electricity cost = 0.085 $/kWh (average cost in 1999 obtained from an interpolation of the 1995 and 2000 prices of electricity forecast in DOE's Annual Energy Outlook 1993, inflated to 1992 dollars). The interpolated value for 1999 is 0.082 $/kWh (1991$) or 0.085 after adjusting for inflation from 1991 to 1992. The electricity price enduse factor for CAC is 1.0 (no adjustment). 2 Lifetime= 15 years. 3 Baseline unit includes: Evaporator: 4.13 sq.ft., 13 fins/inch, Wavy Fins, 3 tube rows, Groove Tubes Condenser: 12.88 sq.ft., 20 fins/inch, Slit Fins, 1 tube row, Smooth Tubes Compressor: Reciprocating, 10.20 EER (nominal) Evaporator Fan Motor: PSC, 58.5% efficient Condenser Fan Motor: PSC, 55.0% efficient Enhancement Devices: None 4 Non-Bleed Thermostatic Expansion Valve replaces the need for a Time Delay Relay 5 Maximum Sensible Heat Ratio = 76.5% 6 Evaporator ECM Fan Motor is modulated. Cost of fan motor includes electronic modulating controls. 7 Condenser ECM Fan Motor is run at a single speed. 

### Life Cycle Costs and Payback Periodsof3·ton,SinglePackage System CentralAirConditioner
Incr. Installed Annual Annual Cumul. LifecycleCosts SEER Manurr Manurr Retail Mark Installation Maintenance Consumer Elec. Energy Payback Level Design Option Cost Cost Cost Up Cost Cost Cost use cost Period (1992$) BtuhlW (1992$) (1992$) (1992$) (1992$) (1992$) (1992$) kWh/yr (1992$) (years) 4% 6% 10% 0 Baseline 9.70 $474.00 

# . $919.59 1.940 $1968.37 $46.69 $2934.65 3533 $299 NA $6.264 $5.843 $5.213 I 0+ Backward Inclined Indoor Blower 9.97 $474.04 $0.04 $919.49 1.940 $1968.37 $46.69 $2934.55 3440 $292 

## -om $6.177 $5.767 $5.152 2 

### I + Evaporator Slit Fins 10.09 $474.13 $0.09 $920.33 1.941 $1968.37 $46.69 $2935.39 3399 $288 0.06 $6.138 $5.733 $5.126 

### 3 2 + Reciprocating Compressor: 10.91 EER 11.00 $481.51 $7.38 $928.60 1.929 $1968.37 $46.69 $2943.66 3118 $264 0.26 $5.882 $5.511 $4.954 4 3 + More EfficientCondenser PSC Fan Motor (65.0%) 11.12 $486.46 $4.95 $937.13 1.926 $1968.37 $39.08 $2944.58 3083 $261 0.26 $5.850 $5,482 $4.932 5 4 + More Efficient Evaporator PSC Fan Motor (68.5%) 11.38 $493.68 $7.22 $948.64 1.922 $1968.37 $31.47 $2948.48 3013 $255 0.31 $5.787 $5,428 $4.891 

### 6 5 + Time Delay Relay 11.81 $500.18 $6.50 $958.36 1.916 $1968.37 $31.47

# - $2958.20 2902 $246 0.44 $5.693 $5.348 $4.829 

### 7 6 + CondenserGroovedTubes 12.25 $506.13 $5.95 $967.35 1.911 $1968.37 $31.47 $2967.19 2800 $237 052 $5.606 $5.272 $4.772 8 7 + Increase EvaporatorFin Density to 14 fpi 12.30 $506.88 $0.75 $969.71 1.913 $1968.37 $31.47 $2969.55 2788 $236 0.55 $5.597 $5.265 $4.767 9 8 + Scroll Compressor: 11.50EER/Non-BleedTXV 13.11 $543.29 $36.41 $1025.15 1.887 $1968.37 $31.47 $3024.99 2616 $222 1.16 $5,490 $5.179 $4.712 10 9 + Increase EvaporatorFaceAreato 6.60 sq.ft. 13.97 $565.51 $22.22 $1062.56 1.879 $1985.35 $31.47 $3079.38 2455 $208 1.58 $5.393 $5.100 $4.662 II 10 + Increase Condenser Face Area to 18.03 sq.ft. 14.74 $586.24 $20.73 $1104.49 1.884 $2019.91 $31.47 $3155.87 2327 $197 2.16 $5.349 $5.071 $4.656 12 II + Increase Evaporator Face Area to 7.50 sq.fl. 14.91 $594.35 $8.11 $1131.44 1.904 $2026.08 $31.47 $3188.99 2299 $195 2.43 $5.356 $5.082 $4.671 

### 13 12 + IncreaseCondenser Face Area to 28.33 sq.ft. 15.35 $635.95 $41.60 $1220.67 1.919 $2095.19 $31.47 $3347.33 2234 $189 3.75 $5,453 $5.187 $4.788 1·1 

### I]
... Evaporalor EeM riln MOlor 15.91 $777.20 $141J1 $1409.40 I.H90 $2095.19 $47.09 $]611.6R 2155 $18] 5.80 $5.643 

### $5.386 $5.001 15 

### 14 + Electronic Expansion Valve 16.10 $853.43 $76.17 $1618.02 1.896 $2095.19 $56.07 $3769.28 2129 $180 7.01 $5.776 $5.522 $5.142 16 15 + Condenser ECM Fan Motor 16.25 $919.98 $66.55 $1751.92 1.904 $2095.19 $63.68 $3910.79 2109 $179 8.09 $5.899 $5.647 $5.271 17 16 + Two-Speed Recip-Compressor System 17.66 $1.100.67 $180.69 $2079.22 1.889 $2095.19 $76.66 $4251.07 1942 $165 9.76 $6.081 $5.849 $5.503 18 16 + Variable-Speed Recip-Compressor System 18.03 $1.511.92 $591.94 $2814.41 1.861 $2095.19 $120.59 $S030.19 1902 $161 15.16 $6.823 $6.596 $6.256 19 16 +Two-Speed Scroll-Compressor System**I~U5** 

### $1,411.92 $491.94 $275].84 1.950 $209S.19 $116.22 $4965.25 1869 $IS8 14.40 $6.727 $6.504 $6.170 20 16 + Variable-Sneed Scroll-Compressor System 20.S5 $1.561.92 $641.94 $3092.61 1.980 $2095.19 $122.78 $5310.58 1668 $141 15.03 $6.883 $6.684 $6.386 AssumptiQns'

1 Electricity cost 

### = 0.085 $/kWh (average cost in 1999 obtained from an interpolation ofthe 1995 and 2000 prices ofelectricity forecast in DOE's Annual Energy Outlook 1993. inflated to 1992 dollars). Theinterpolatcd valuc for 1999 is 0.082 $/kWh (1991$) 

### or0.085 after adjusting for inflation from 1991 to 1992. The electricity price enduse factor for CACis 1.0 (no adjustmcnt). 2 Lifetimc

### = IS years. 3 Baselineunit includes: Evaporator: 4.13 sq.ft.. 13 fins/inch. Wavy Fins. 3 tuberows.Groove Tubes Condenser: 12.88 sq.ft.• 20 fins/inch. Slit Fins. 1tuberow. SmoothTubes Compressor: Reciprocating. 10.20EER (nominal) Evaporator Fan Motor: PSC. 58.5%efficient Condenser Fan Motor: PSC. 55.0% efficient Enhancement Devices: None 4 Non-Bleed ThermostaticExpansion Valve replaces the need for aTimc Delay Relay 5 Maximum Sensible Heat Ratio 

### = 76.5% 6 Evaporator ECM Fan Motoris modulated. Costoffan motor includeselectronic modulating controls. 7 Condenser ECM Fan Motorisrun at a single speed. 

### 6/3/94

Cumulative CostofConserved Energy (cents/kWh) 4% 6% 10% NA NA NA -0.01 

## -om -0.01 0.05 0.06 . 0.07 0.20 0.22 0.29 0.20 0.23 0.29 0.24 0.27 0.35 0.34 0.38 0.49 0.40 0.46 0.58 0.42 0.48 0.62 0.89 1.01 1.30 1.21 1.38 1.76 1.65 1.89 2.41 1.85 2.12 2.71 2.86 3.27 4.18 4.42 5.06 

### 6.46 5.35 6.12 7.82 6.17 7.06 9.01 7.44 8.52 10.87 11.55 13.23 16.89 10.97 12.56 16.04 11.46 13.12 16.75

# 6/3/94 

# Life Cycle Cost for 3-ton Single Package System

Central Air Conditioner $7,000

r1 

# $6,600

$6,200

$5,400

$5,000 1 

# 6% discount rate

9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 21.0 SEER 

# $7,000 6/3/94 

# Life Cycle Costfor 3-tonSinglePackage System CentralAir Conditioner

$6,600

-- [ -0-- 

# 6% discountrate I 

# 18

,-., fA 

### N 0'1 0'1 ,-; '-' 

# $6,200

# ~ 0

# ~ $5,800 1

$5,400

$5,000 9.0 10.0 3 5

11.0 

# 6 J 

# 14 9 10
12.0 13.0 14.0 15.0 16.0 17.0 18.0 SEER 

# 20

19.0 20.0 21.0

# 6/3/94 

# Life Cycle Cost for 3-ton Single Package System

Central Air Conditioner $7,000
$6,600
$6,200

N CT 

# `-^, $5,800 A NNN $5,400 b - 4% discount rate 6% discount rate 10% discount rate

A 

# $5,000
$4,600 9.0 10.0 11,0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 21.0 SEER 

# $7,000
$6,600
$6,200

,-.,

# ~ 0\ 0\ 

# C $5,800 U

# ~ $5,400
$5,000
$4,600 9.0 10.0 11.0 

# 6/3/94 

# Life Cycle Costfor 3-ton SinglePackage System CentralAir Conditioner

-----D----- 

# 4% discountrate

- - -6
- - 

# 6% discountrate

- - - -+- - - - 

# 10% discountrate



# 12.0 13.0 14.0 15.0 SEER , 

## ,+



# 16.0 

# 17.0 18.0 

# 19.0 20.0 21.08/3/94 

### Life Cycle Costs and Payback Periods of5-ton, Single Package System Central Air Conditioner

Level Design Option SEER Manufr Cost Incr.

Manufr Cost 

### Retail

Cost Mark

Up Installed Installation Maintenance Consumer Cost Cost Cost Annual Elec. use Annual

Energy cost Cumul.

Payback Period Lifecycle Costs



### (1992$) Cumulative

Cost of Conserved Energy

(cents/kWh) 

### Btuh/W (1992$) 1992$) 1992$) (1992$) 1992$) (1992$) kWh/yr (1992$) (years) 4% 6% 10% 4% 6% 10% 0 Baseline 9.71 $666.00

- $1471.81 2.210 $2221.22 $46.69 $3739.72 5962 $505 NA $9,358 $8,647 $7,583 NA NA NA 1 0 + Backward Inclined Indoor Blower 9.98 $666.02 $0.02 $1473.42 2.212 $2221.22 $46.69 $3741.33 5799 $492 0.12 $9,206 $8,515 $7,480 0.09 0.10 0.13 2 1 +Evaporator Slit Fins 10.07 $666.23 $0.21 $1475.37 2.215 $2221.22 $46.69 $3743.28 5748 $487 0.20 $9,161 $8,475 $7,449 0.15 0.17 0.22 3 2 + Scroll Compressor: 11.30 EER 11.52 $690.87 $24.64 $1520.81 2.201 $2221.22 $46.69 $3788.72 5022 $426 0.62 $8,521 $7,923 $7,026 0.47 0.54 0.69 4 3 + Time Delay Relay 11.97 $697.37 $6.50 $1533.96 2.200 $2221.22 $46.69 $3801.87 4834 $410 0.65 $8,357 $7,781 $6,918 0.50 0.57 0.72 5 4 + More Efficient Evaporator PSC Fan Motor (68.5%) 12.27 $707.14 $9.77 $1552.93 2.196 $2221.22 $39.08 $3813.23 4714 $400 0.70 $8,256 $7,694 $6,853 0.53 0.61 0.77 6 5 + Non-Bleed Thermostatic Expansion Valve 12.58 $714.72 $7.58 $1568.00 2.194 $2221.22 $39.08 $3828.30 4599 $390 0.77 $8,163 $7,615 $6,794 0.58 0.67 0.85 7 6 + More Efficient Condenser PSC Fan Motor (65.0%) 12.70 $721.02 $6.30 $1580.80 2.192 $2221.22 $31.47 $3833.49 4557 $386 0.79 $8,128 $7,585 $6,771 0.60 0.69 0.88 8 7 + Increase Evaporator Fin Density to 14 fpi 12.74 $722.48 $1.46 $1584.97 2,194 $2221.22 $31.47 $3837.66 4542 $385 0.81 $8,118 $7,576 $6,766 0.62 0.71 0.91 9 8 + Increase Evaporator Face Area to 7.50 sq.ft. 13.13 $739.70 $17.22 $1624.70 2.196 $2231.51 $31.47 $3887.68 4408 $374 1.12 $8,042 $7,516 $6,729 0.86 0.98 1.25 10 9 + Condenser Grooved Tubes 13.28 $756.52 $16.82 $1665.18 2.201 $2231.51 $31.47 $3928.16 4356 $369 1.38 $8,034 $7,514 $6,737 1.06 1.21 1.54 11 10 + Increase Condenser Face Area to 27.60 sq.ft. 13.53 $788.74 $32.22 $1742.58 2.209 $2262.38 $31.47 $4036.43 4277 $362 2.08 $8,067 $7,557 $6,793 1.58 1.81 2.31 12 11 +Increase Condenser Face Area to 36.50 sq.ft. 13.79 $850.40 $61.66 $1892.47 2.225 $2322.10 $31.47 $4246.04 4195 $356 3.38 $8,199 $7,700 $6,951 2.58 2.95 3.77 13 12 + Evaporator ECM Fan Motor 14.40 $1,030.66 $180.26 $2258.21 2.191 $2322.10 $47.09 $4627.40 4019 $341 5.39 $8,415 $7,936 $7,219 4.11 4.71 6.01 14 13 + Electronic Expansion Valve 14.59 $1,106.83 $76.17 $2440.06 2.205 $2322.10 $56.07 $4818.23 3966 $336 6.38 $8,556 $8,083 $7,375 4.86 5.56 7.10 15 14 + Condenser ECM Fan Motor 14.66 $1,179.53 $72.70 $2615.96 2.218 $2322.10 $63.68 $5001.74 3947 $335 7.39 $8,721 $8,251 $7,546 5.63 6.45 8.24 16 15 + Two-Speed Recip-Compressor System 16.27 $1,368.28 $188.75 $3032.98 2.217 $2322.10 $80.54 $5435.62 3557 $302 8.32 $8,788 $8,364 $7,729 6.34 7.26 9.27 17 15 + Variable-Speed Recip-Compressor System 17.14 $1,779.53 $600.00 $3928.03 2.207 $2322.10 $132.24 $6382.37 3376 $286 12.06 $9,564 $9,161 $8,559 9.19 10.52 13.44 18 15 + Two-Speed Scroll-Compressor System 16.52 $1,679.53 $500.00 $3909.25 2.328 $2322.10 $127.87 $6359.22 3504 $297 12.57 $9,661 $9,243 $8,618 9.59 10.97 14.01 19 15 + Variable-Speed Scroll-Compressor S stem 19.04 $1,829.53 $650.00 $4359.41 2.383 $2322.10 $134.43 $6815.94 3039 $258 12.42 $9,680 $9,318 $8,775 9.47 10.84 13.84 Assumptions: 1 Electricity cost = 0.085 S/kWh (average cost in 1999 obtained from an interpolation of the 1995 and 2000 prices of electricity forecast in DOE's Annual Energy Outlook 1993, inflated 

### to 1992 dollars). The interpolated value for 1999 is 0.082 S/kWh (1991$) or 0.085 after adjusting for inflation from 1991 to 1992. The electricity price enduse factor for CAC is 1.0 (no adjustment). 2 Lifetime = 15 years. 3 Baseline unit includes: 

### Evaporator: 6.00 sq.ft., 13 fins/inch, Wavy Fins, 4 tube rows, Groove Tubes Condenser: 23.00 sq.ft., 20 fins/inch, Slit Fins, 2 tube rows, Smooth Tubes Compressor: Reciprocating, 10.49 EER (nominal); Accumulator Evaporator Fan Motor: PSC, 58.5% efficient Condenser Fan Motor: PSC, 55.0% efficient Enhancement Devices: None 4 Nom-Illerd Thcrmosnnic Expansion Valve replaces tIs' acrd 'or a Tinto Delay Relay, 5 Maximum Sensible Heat Ratio = 76.5% 6 Evaporator ECM Fan Motor is modulated
. Cost of fan motor includes electronic modulating controls. 7 Condenser ECM Fan Motor is run at a single speed. 

## Life Cycle Costs and Payback PeriodsofS·ton, Single Package System Central Air Conditioner
Incr. Installed Annual Annual Cumul. LifecycleCosts SEER Manufr Manufr Retail Mark Installation Maintenance Consumer Elec. Energy Payback Level Design Option Cost Cost Cost Up Cost Cost Cost use cost Period (1992$) Btuh/W (1992$) (1992$) (1992$) (1992$) (1992$) (1992$) kWh/yr (1992$) (years) 4% 6% 10% 

### 0 Baseline 9.71 $666.00 

## . $1471.81 2.210 $2221.22 $46.69 $3739.72 5962 $505 NA $9,358 $8,647 $7,583 I 0+Backward Inclined IndoorBlower 9.98 $666.02 $0.02 $1473.42 

### 2.21z' $2221.22 $46.69 $3741.33 5799 $492 0.12 $9,206 $8,515 $7,480 2 1 + EvaporatorSlit Fins 10.07 $666.23 $0.21 $1475.37 2.215 $2221.22 $46.69 $3743.28 5748 $487 0.20 $9,161 $8,475 $7,449 3 2 +Scroll Compressor: 11.30 EER 11.52 $690.87 $24.64 $1520.81 2.201 $2221.22 $46.69 $3788.72 5022 $426 0.62 $8,521 $7,923 $7,026 4 3 +Time Delay Relay 11.97 $697.37 $6.50 $1533.96 2.200 $2221.22 $46.69 $3801.87 4834 $410 0.65 $8,357 $7,781 $6,918 

### 5 4 +More Efl'icicnt Evaporator PSC Pan Motor (68.5%) 12.27 $707.14 $9.77 $1552.93 2.196 $2221.22 $39.08 $3813.23 4714 $400 0,70 $8,256 $7,694 $6,853 

### 6 5 +Non-Bleed Thermostatic Expansion Valve 12.58 $714.72 $7.58 $1568.00 2,194 $2221.22 $39.08- $3828,30 4599 $390 0.77 $8,163 $7,615 $6,794 7 6 + More Efficient Condenser PSC FanMotor(65.0%) 12.70 $721.02 $6.30 $1580.80 2,192 $2221.22 $31.47 $3833,49 4557 $386 0.79 $8,128 $7,585 $6,771 8 7 +Increase EvaporatorFin Density to 14 fpi 12.74 $722.48 $1.46 $1584.97 2.194 $2221.22 $31.47 $3837,66 4542 $385 0.81 $8,118 $7,576 $6,766 9 8 + Increase EvaporatorFace Area to 7,50 sg.ft. 13.13 $739.70 $17.22 $1624.70 2.196 $2231.51 $31.47 $3887.68 4408 $374 1.12 $8,042 $7,516 $6,729 

### to 9 +Condenser Grooved Tubes 13,28 $756,52 $16.82 $1665.18 2.201 $2231.51 $31.47 $3928.16 4356 $369 1.38 $8,034 $7,514 $6,737 II 10 + Increase CondenserFace Area to 27,60 sg.ft. 13,53 $788.74 $32.22 $1742,58 2,209 $2262,38 $31.47 $4036.43 4277 $362 2.08 $8,067 $7,557 $6,793 12 II + Increase Condenser Face Area to 36.50 sq.ft. 13.79 $850.40 $61.66 $1892.47 2.225 $2322.10 $31.47 $4246.04 4195 $356 3.38 $8,199 $7,700 $6,951 13 12 +Evaporator ECM Pan Motor 14.40 $1,030.66 $180.26 $2258.21 2.191 $2322,10 $47,09 $4627.40 4019 $341 5.39 $8,415 $7,936 $7,219 14 13 + Electronic Expansion Valve 14,59 $1,106.83 $76.17 $2440.06 2,205 $2322.10 $56.07 $4818.23 3966 $336 6,38 $8,556 $8,083 $7,375 15 14 +Condenser ECM Fan Motor 14,66 $1,179.53 $72.70 $2615.96 2.218 $2322,10 $63.68 $5001.74 3947 $335 7.39 $8,721 $8,251 $7,546 16 15 +Two-Speed Recip-Compressor System 16.27 $1,368.28 $188.75 $3032,98 2.217 $2322.10 $80.54 $5435.62 3557 $302 8.32 $8,788 $8,364 $7,729 17 15 + Variable-Speed Recip-Compressor System 17.14 $1,779.53 $600.00 $3928,03 2.207 $2322.10 $132.24 $6382.37 3376 $286 12.06 $9,564 $9,161 $8,559 18 15 +Two-SpeedScroll-CompressorSystem 16.52 $1,679.53 $500.00 $3909.25 2.328 $2322.10 $127.87 $6359.22 3504 $297 12.57 $9,661 $9,243 $8,618 19 15 + Variable-Speed Scroll-Compressor System 19.04 $1,829.53 $650.00 $4359.41 2.383 $2322.10 $134.43 $6815.94 3039 $258 12.42 $9,680 $9,318 $8,775 Assumptions:

1 Electricity cost = 0.085 S/kWh (averagecost in 1999 obtained from an interpolation ofthe 1995 and 2000pricesofelectricity forecast in DOE's Annual Energy Outlook 1993, inflated to 1992 dollars). The interpolatedvaluefor 1999 is 0.082 $/kWh (1991$) or0.085 after adjusting for inflation from 1991 to 1992. Theelectricitypriceendusefactor for CACis 1.0 (no adjustment). 2 Lifetime = 15 years. 3 Baseline unit includes: Evaporator: 6.00 sg.ft., 13 fins/inch, Wavy Fins, 4 tuberows, GrooveTubes Condenser: 23,00 sg.ft., 20fins/inch, Slit Fins, 2 tube rows, Smooth Tubes Compressor: Reciprocating, 10.49 EER (nominal); Accumulator EvaporatorFan Motor: PSC, 58.5% efficient Condenser Fan Motor: PSC, 55.0%efficient Enhancement Devices: None 

### NOIl·Bkl'<I Tlwl'Illo,lalic Expallsioll Valve replill'l" Ihl' Ill'l'd rill' 

### aTillll' DelilY ReillY. 5 Maximum Sensible Heat Ratio 

### = 76.5% 6 EvaporatorECM FanMotoris modulated. Costoffan motorincludes electronic modulating controls. 7 Condenser ECM Fan Motoris run at a single speed. 6/3/94

Cumulative CostofConserved Energy (centslkWh) 4% 6% 10% NA NA NA 0.09 0.10 0.13 0.15 0.17 0.22 0.47 0.54 0.69 0.50 0.57 0,72 0.53 0,61 0,77 0.58 0.67 0.85 0,60 0.69 0.88 0,62 0.71 0,91 0.86 0.98 1.25 1.06 1.21 1.54 1.58 1.81 2.31 2.58 2,95 3,77 4.11 4.71 6.01 4.86 5.56 7.10 5.63 6.45 8.24 6.34 . 7,26 9.27 9.19 10.52 13.44 9.59 10.97 14.01 9.47 10,84 13,84

# 6/3/94 

# Life Cycle Cost for 5-ton Single Package System

Central Air Conditioner $9,400



# $9,000

$7,800

$7,400 

# 19



# 6% discount rate

10 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 SEER 

# u u $9,400

$9,000

# ~ $8,200

$7,800

$7,400 

# o

9.0 6/3/94 

# Life Cycle Costfor 5-ton SinglePackage System CentralAir Conditioner 

# Fa-- 6% discountrate 

# I

1

# 2



# 14 3 13 4 5 6 8 

# 12 9 11 

# 10 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 SEER 

# 19

18.0 19.0 20.0

# 6/3/94 

# Life Cycle Cost for 5

-ton Single Package System

Central Air Conditioner $9,700
$9,200
$8,700

$7,700
$7,200 4% discount rate - - 6% discount rate ®- - - - 10% discount rate



# b

$6,700 1 i i i °- e 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17,0 18.0 19.0 20.0 SEER 

# $9,700

----
$9,200
$8,700

,-., 

### f:F:t 

### N 0\ 0\ 

# C $8,200 U 

# U**~** 

# $7,700
$7,200
$6,700 9.0 10.0 

# 6/3/94 

# Life Cycle Costfor 5-ton SinglePackage System CentralAir Conditioner

-0-- 

# 4% discountrate

- - 6. - - 

# 6% discountrate

- - - -+- - - - 

# 10% discountrate



# 11.0 12.0 13.0 , , 

### ,



## , ' ,



# 14.0 15.0 SEER I 

### 6, I I



# 16.0 17.0 18.0 19.0 20.0

### Life Cycle Costs and Payback Periods of 3-ton, Single Package System Central Heat Pump 6/3/94

Incr. Installed Annual Elec Use Annual Cumel. Lifecycle Costs Cumulative SEER HSPF Manufr Manufr Retail Mark Installation Maintenance consumer Cooling Heating Energy Payback Cost of Conserved Energy Level Design Option Cost Cost Cost Up Cost Cost cost cost Period (1992$) (cents/kWh) Btuh/W Btuh/W (1992$) (1992$) (1992$) (1992$) (1992$) (1992$) kWh/yr kW r (1992$) (years) 4% 6% 10% 4% 696 10% 0 Baseline 9.70 6.69 $677.00

- $1412.49 2.086 $1202.35 $46.69 $2661.53 3764 8,379 $1,029 NA $14,105 $12,658 $10,490 NA NA NA I 0 + Backward Inclined Indoor Blower 9.99 6.79 $677.00 $0.00 $1413.98 2.089 $1202.35 $46.69 $2663.02 3654 8,254 $1,009 0.07 $13,885 $12,466 $10,340 0.12 0.14 0.18 2 1 + Indoor Coil Slit Fins 10.12 6.90 $677.03 $0.03 $1415.52 2.091 $1202.35 $46.69 $2664.56 3608 8,128 $995 0.09 $13,724 $12,326 $10,231 0.17 0.20 0.26 3 2 + Increase Indoor Coil Fin Density to 14 fpi 10.16 6.92 $677.69 $0.66 $1418.12 2.093 $1202.35 $46.69 $2667.16 3594 8,096 $991 0.15 $13,684 $12,290 $10,203 0.30 0.34 0.44 4 3 + More Efficient Indoor PSC Fan Motor (68.5%) 10.40 7.01 $684.89 $7.20 $1431.71 2.090 $1202.35 $39.08 $2673.14 3512 7,995 $975 0.22 $13,517 $12,145 $10,091 0.41 0.47 0.60 5 4 + More Efficient Outdoor PSC Fan Motor (65.0% 10.51 7.10 $691.19 $6.30 $1443.79 2.089 $1202.35 $31.47 $2677.61 3476 7,890 $963 0.24 $13,389 $12,034 $10,005 0.50 0.57 0.73 6 5 + Time Delay Relay 10.84 7.25 $697.69 $6.50 $1456.20 2.087 $1202.35 $31.47 $2690.02 3369 7,734 $941 0.32 $13,153 $11,830 $9,848 0.65 0.74 0.95 7 6 + Reciprocating Compressor: 11.26 EER 11.34 7,46 $708.68 $10.99 $1476.16 2,083 $1202.35 $31.47 $2709.98 3221 7,516 $910 0,41 $12,829 $11,549 $9,632 0.80 0.92 1.17 8 7 + Increase Indoor Coil Face Area to 4.97 sq.ft. 12.04 7,73 $722.05 $13.37 $1512.67 2.095 $1212.09 $31.47 $2756.23 3032 7,250 $872 0.60 $12,446 $11,221 $9,385 1.16 1.33 1.70 9 8 + Demand Defrost 12.04 7.96 $733.55 $11.50' $1547.41 2.109 $1212.09 $31.47 $2790.97 3032 7,039 $854 0.74 $12,282 $11,082 $9,284 1.59 1.82 2.33 10 9 + Outdoor Coil Grooved Tubes 12.34 8.00 $740.52 $6.97 $1574.54 2.126 $1212.09 $31.47 $2818.10 2958 7,009 $845 0.85 $12,211 $11,023 $9,244 1.75 2.00 2.55 11 10 + Increase Indoor Coil Face Area to 6.39 sq.ft. 12.73 8.15 $755.60 $15.08 $1629.45 2.156 $1221.83 $31.47 $2882.75 2868 6,877 $826 1.09 $12,066 $10,905 $9,165 2,22 2.54 3.25 12 11 + Scroll Compressor: 11,50 EER 13.29 8.25 $774.58 $18.98 $1692.46 2.185 $1221.83 $31.47 $2945.76 2748 6,791 $808 1.29 $11,935 $10,798 $9,095 2.51 2.88 3.68 13 12 + Non-Bleed Thermostatic Expansion Valves 13.62 8.47 $787.03 $12.45 $1744.51 2.217 $1221.83 $31.47 $2997.81 2681 6,616 $788 1.39 $11,759 $10,651 $8,991 2.79 3.20 4.08 14 13 + Increase Outdoor Coil Face Area to 21.00 sq.ft 14.34 8.80 $811.89 $24.86 $1833.32 2.258 $1262.09 $31.47 $3126.88 2547 6,372 $756 1.70 $11,532 $10,469 $8,877 3.44 3.94 5.03 15 14 + Increase Indoor Coil Face Area to 7.50 sq.ft. 14.55 8.86 $822.19 $10.30 $1909.07 2.322 $1269.70 $31.47 $3210.24 2509 6,325 $749 1.96 $11,536 $10,483 $8,906 3.93 4.50 5.75 16 15 + Increase Indoor Coil Tube Density to 4 rows 14.66 8.93 $844.58 $22.39 $2027.22 2.400 $1269.70 $31.47 $3328.39 2490 6,276 $743 2.33 $11,590 $10,545 $8,980 4.71 5.39 6.88 17 16 + Increase Outdoor Coil Face Area to 30.00 sq.ft 15.02 9.04 $890.19 $45.61 $2215.89 2.489 $1330.09 $31.47 $3577.45 2432 6,200 $732 3.08 $11,712 $10,683 $9,142 6.18 7.08 9.04 18 17 + Outdoor ECM Fan Motor 15.12 9.17 $962.89 $72.70 $2453.30 2.548 $1330.09 $39.08 $3822.47 2415 6,115 $723 3.79 $11,861 $10,844 $9,322 7.74 8.86 11.32 19 18 + Electronic Expansion Valve 15.31 9.22 $1,011.23 $48.34 $2651.76 2.622 $1330.09 $48.06 $4029.91 2385 6,083 $718 4.39 $12,009 $11,000 $9,489 8.92 10.21 13.04 20 19 + Indoor ECM Fan Motor 15.87 9.28 $1,152.53 $141.30 $3008.68 2.611 $1330.09 $63.68 $4402.45 2300 6,042 $707 5.40 $12,264 $11,270 $9,781 10.70 12.25 15.64 21 20 + Two-Speed Recip-Compressor System 17.37 9.32 $1,332.79 $180.26 $3486.45 2.616 $1330.09 $77.62 $4894.16 2102 6,012 $688 6.54 $12,541 $11,574 $10,126 12.08 13.83 17.66 22 20 + Variable-Speed Recip-Compressor System 17.70 9.72 $1,744.04 $591.51 $4484.37 2,571 $1330.09 $123.47 $5937.93 2063 5,770 $664 8.97 $13,320 $12,386 $10,988 17.32 19.83 25.32 23 20 + Two-Speed Scroll-Compressor System 17.93 9.89 $1,644.04 $491.51 $4606.19 2.802 $1330.09 $119.10 $6055.38 2037 5,666 $653 9.02 $13,314 $12,396 $11,021 17.67 20.23 25.83 24 120 + Variable-edScroll-Com Scrll-stem 20.21 10.69 $1,794.04 $641.51 $5190.76 2.893 $4330.09 $125.66 $6646.51 1806 5,243 $597 9.23 $13,290 $12,450 $11,191 18.31 20.96 26,76 Assumptions; 1 Electricity cost= 0.085 $/kWh (average cost in 1999 obtained from an interpolation of the 1995 and 2000 prices of electricity forecast in DOE's Annual Energy Outlook 1993, inflated to 1992 dollars). The interpolated value for 1999 is 0.082 $/kWh (1991$) or 0.085 after adjusting for inflation from 1991 to 1992. The electricity price enduse factor for CAC is 1.0 (no adjustment). 2 Lifetime=15 years. 3 Baseline unit includes: Indoor Coil: 3.55 sq.ft., 13 fins/inch, Wavy Fins, 3 tube rows, Groove Tubes Outdoor Coil: 15.00 sq.ft., 20 fins/inch, Slit Fins, I tube row, Smooth Tubes Compressor: Reciprocating, 10.80 EER (nominal); Accumulator Indoor Fan Motor: PSC, 58.5% efficient Outdoor Fan Motor: PSC, 55.0% efficient Enhancement Devices: None 4 All Two-Speed and Variable-Speed Compressor Systems include an Accumulator. 5 Maximum Sensible Heat Ratio = 76.5% 6 Non-Bleed Thermostatic Expansion Valves replace the need for a Time Delay Relay and an Accumulator. 7 Evaporator ECM Fan Motor is modulated. Cost of fan motor includes electronic modulating controls. 

### 8 Condenser ECM Fan Motor is run at a single speed. 

### Life Cycle Costs andPaybackPeriodsof3·ton,SinglePackageSystemCentralHeatPump
Incr. Installed Annual Elec Use Annual Cumu!. SEER HSPF Manurr Manufr Retail Mark Installation Maintenance consumer Cooling Heating Energy Payback Level Design Option Cost Cost Cost Up Cost Cost cost cost Period BtuhIW BtuhlW (1992$) (1992$) (1992$) (1992$) (1992$) (1992$) kWh/yr kWhlyr (1992$) (years) 0 Baseline 9.70 6.69 $677.00 $1412.49 2.086 $1202.35 $46.69 $2661.53 3764 8,379 $1,029 NA I 0+ Backward Inclined Indoor Blower 9.99 6.79 $677.00 SO.OO SI413.98 2.089 $1202.35 $46.69 $2663.02 3654 8,254 $1,009 0.07 2 I + IndoorCoil SlitFins 10.12 6.90 $677.03 $0.03 $1415.52 2.091 $1202.35 $46.69 $2664.56 3608 8,128 $995 0.09 3 2 + Increase Indoor Coil Fin Density to 14 fpi 10.16 6.92 $677.69 $0.66 $1418.12 2.093 $1202.35 $46.69 $2667.16 3594 8,096 $991 0.15 4 3 + More EfficientIndoorPSCFanMotor(68.5%) 10.40 7.01 $684.89 $7.20 $1431.71 2.090 S1202.35 $39.08 $2673.14 3512 7,995 S975 0.22 

### 5 4 + MoreEfficient OutdoorPSC Fan Motor (65.0% 10.51 7.10 $691.19 $6.30 S1443.79 2.089 S1202.35 S31.47 $2677.61 3476 7,890 $963 0.24 6 5 +Time Delay Relay 10.84 7.25 $697.69 $6.50 $1456.20 2.087 $1202.35 $31.47 $2690.02 3369 7,734 S941 0.32 7 6 + Reciprocating Compressor: 11.26 EER 11.34 7.46 $708.68 $10.99 $1476.16 2.083 $1202.35 $31.47 $2709.98 3221 7,516 $910 0.41 8 7 + Increase Indoor Coil Face Area to 4.97 sq.f!. 12.04 7.73 $722.05 $13.37 S1512.67 2.095 $1212.09 $31.47 $2756.23 3032 7,250 $872 0.60 9 8 + Demand Defrost 12.Q4 7.96 $733.55 $11.50· $1547.41 2.109 $1212.09 $31.47 $2790.97 3032 7,039 $854 0.74 10 9 + OutdoorCoil Grooved Tubes 12.34 8.00 $740.52 $6.97 $1574.54 2.126 $1212.09 $31.47 $2818.10 2958 7,009 $845 0.85 II 10 + Increase IndoorCoil Face Area to 6.39 sq.ft. 12.73 8.15 $755.60 $15.08 $1629.45 2.156 S1221.83 $31.47 S2882.75 2868 6,877 $826 1.09 12 11 + Scroll Compressor: 11.50EER 13.29 8.25 $774.58 $18.98 $1692.46 2.185 $1221.83 $31.47 $2945.76 2748 6,791 $808 1.29 13 12 + Non-Bleed ThermostaticExpansion Valves 13.62 8.47 $787.03 $12.45 $1744.51 2.217 $1221.83 $31.47 $2997.81 2681 6,616 $788 1.39 14 13 + Increase OutdoorCoil FaceArea to 21.00 sq.ft. 14.34 8.80 $811.89 $24.86 $1833.32 2.258 $1262.09 $31.47 $3126.88 2547 6,372 $756 1.70 15 14 + Increase IndoorCoil Face Area to 7.50 sq.ft. 14.55 8.86 $822.19 $10.30 $1909.07 2.322 $1269.70 $31.47 $3210.24 2509 6,325 $749 1.96 16 15 + Increase IndoorCoil Tube Densityto 4 rows 14.66 8.93 $844.58 $22.39 $2027.22 2.400 $1269.70 $31.47 $3328.39 2490 6,276 $743 2.33 17 16 + Increase Outdoor Coil Face Area to 30.00 sq.ft. 15.02 9.04 $890.19 $45.61 $2215.89 2.489 $1330.09 $31.47 $3577.45 2432 6,200 $732 3.08 18 17 + OutdoorECM Fan Motor 15.12 9.17 $962.89 $72.70 $2453.30 2.548 $1330.09 $39.08 $3822.47 2415 6,115 $723 3.79 19 18 + Electronic Expansion Valve 15.31 9.22 $1,011.23 $48.34 $2651.76 2.622 $1330.09 $48.06 $4029.91 2385 6,083 $718 4.39 20 19 + IndoorECM Fan Motor 15.87 9.28 $1,152.53 $141.30 $3008.68 2.611 $1330.09 $63.68 $4402.45 2300 6,042 $707 5.40 21 20 +Two·Speed Recip-Compressor System 17.37 9.32 $1,332.79 $180.26 $3486.45 2.616 $1330.09 $77.62 $4894.16 2102 6,012 $688 6.54 22 20 + VUliahlc-Specd Recip·CompressorSystem 17.70 9.72 $1,744.04 $591.51 $4484.37 2.571 $1330.09 $123.47 $5937.93 2063 5,770 $664 8.97 23 20 +Two-Speed Scroll-Compressor System 17.93 9.89 $1,644.04 $491.51 $4606.19 2.802 $1330.09 $119.10 $6055.38 2037 5,666 $653 9.02 24 20 + Variable-Speed Scroll-Compressor System 20.21 10.69 $1,794.04 $641.51 $5190.76 2.893 $.1330.09 $125.66 $6646.51 1806 5,243 $597 9.23 Assumptions'

1 Electricity cost

# = 0.085 SIkWh (average cost in 1999 obtained from an interpolation ofthe 1995 and 2000 prices ofelectricity forecast in DOE's Annual Energy Outlook 1993, inflated to 1992 dollars). Theinterpolated value for 1999 is0.082$IkWh (1991$) or0.085 afteradjusting for inflation from 1991 to 1992. The electricity price enduse factor for CACis 1.0 (noadjustment). Lifetime

### = 15 years. 3 llaseline unit includes: IndoorCoil: 3.55 sq.ft., 13 fins/inch, Wavy Fins, 3 tube rows, GrooveTubes OutdoorCoil: 15.00 sq.f!., 20fins/inch, SlitFins, 1tube row, Smooth Tubes Compressor: Reciprocating, 10.80EER (nominal); Accumulator IndoorFan Motor: PSC, 58.5%efficient OutdoorFan Motor: PSC, 55.0%efficient Enhancement Devices: None 4 All Two-Speed and Variable-Speed CompressorSystems include an Accumulator. 5 Maximum Sensible Heat Ratio

# = 76.5% 6 Non-Bleed ThermostaticExpansion Valves replace the need for a Time Delay Relay and an Accumulator. EvaporatorECM Fan Motoris modulated. Cost offan motorincludes electronic modulating controls. CondenserECM Fan Motoris run at a single speed. 6/3/94
LifecycleCosts Cumulative CostofConservedEnergy (1992$) (centslkWh) 4% 6% 10% 4% 6% 10% $14,105 $12,658 $10,490 NA NA NA S13,885 S12,466 S10,340 0.12 0.14 0.18 $13,724 $12,326 S1O,231 0.17 0.20 0.26 S13,684 S12,290 SIO,203 0.30 0.34 0.44 S13,517 S12,145 $10,091 0.41 0.47 0.60 $13,389 S12,034 $10,005 0.50 0.57 0.73 $13,153 $11,830 $9,848 0.65 0.74 0.95 $12,829 $11,549 $9,632 0.80 0.92 1.17 $12,446 $11,221 S9,385 1.16 1.33 1.70 $12,282 $11,082 S9,284 1.59 1.82 2.33 $12,211 Sl1,023 S9,244 1.75 2.00 2.55 $12,066 $10,905 S9,165 2.22 2.54 3.25 $11,935 S1O,798 $9,095 2.51 2.88 3.68 $11,759 $10,651 $8,991 2.79 3.20 4.08 $11,532 $10,469 $8,877 3.44 3.94 5.03 $11,536 $10,483 $8,906 3.93 4.50 5.75 $11,590 $10,545 $8,980 4.71 5.39 6.88 $11,712 $10,683 $9,142 6.18 7.08 9.04 $11,861 SIO,844 $9,322 7.74 8.86 11.32 $12,009 $11,000 S9,489 8.92 10.21 13.04 $12,264 S11,270 $9,781 10.70 12.25 15.64 $12,541 $11,574 S10,126 12.08 13.83 17.66 $13,320 $12,386 $10,988 17.32 19.83 25.32 $13,314 S12,396 $11,021 17.67 20.23 25.83 $13,290 S12,450 $11,191 18.31 20.96 26.76

# 6/3/94 

# Life Cycle Cost for 3-ton Single Package System

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-ton Single Package System

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### Life Cycle Costs and Payback Periods of 5-ton, Single Package System Central Heat Pump 6/3/94

Incr. Installed Annual Elec Use Annual Carnal. Lifecycle Costs Cumulative SEER HSPF Manufr Manufr Retail Mark Installation Maintenance Consumer Cooling Heating Energy Payback Cost of Conserved Energy Level Design Option Cost Cost Cost Up Cost Cost Cost cost Period (1992$ (cents/kWh) Btuh/W Btuh/W (1992$) (1992$) (1992$) (1992$) (1992$) (1992$) kWh/ r kWh/ r (1992$) ears) 4% 6% 10% 4% 6% 10% 0 Baseline 9.70 6.88 $934.00

- $2156.86 2,309 $1342.86 $46.69 $3546.41 5977 13,966 $1,690 NA $22,341 $19,964 $16,404 NA NA NA 1 0 + Backward Inclined Indoor Blower 9.99 7.00 $934.03 $0,03 $2158.56 2.311 $1342.86 $46.69 $3548.11 5803 13,732 $1,656 0.05 $21,958 $19,630 $16,142 0.09 0.10 0.13 2 I + Indoor Coil Slit Fins 10.07 7.06 $934.25 $0.22 $2160.62 2.313 $1342.86 $46.69 $3550.17 5757 13,611 $1,642 0.08 $21,802 $19,494 $16,036 0.15 0.18 0.22 3 2 + Time Delay Relay 10.36 7.19 $940.75 $6.50 $2174.36 2.311 $1342.86 $46.69 $3563.91 5597 13,374 $1,608 0.21 $21,442 $19,181 $15,794 0.41 0.47 0.61 4 3+ Scroll Compressor; I1.30ltItR 11.93 7,57 $965.13 $24.38 $2221.36 2.302 $1342.86 $46.69 $3610.91 4861 12,693 $1,488 0.32 $20,154 $18,062 $14,928 0.52 0.60 0.76 5 4 + More Efficient Outdoor PSC Fan Motor (65.0% 12.05 7.66 $971.43 $6.30 $2234.73 2,300 $1342.86 $39.08 $3616.67 4811 12,545 $1,471 0.32 $19,973 $17,904 $14,806 0.54 0.62 0.79 6 5 + Increase Indoor Coil Fin Density to 14 fpi 12.09 7.70 $973.16 $1.73 $2239.60 2.301 $1342.86 $39.08 $3621.54 4797 12,484 $1,465 0.33 $19,907 $17,847 $14,762 0.57 0.66 0.84 7 6 + More Efficient Indoor PSC Fan Motor (68.5%) 12.43 7.81 $982.92 $9.76 $2259.41 2.299 $1342.86 $31.47 $3633.74 4665 12,308 $1,439 0.35 $19,629 $17,606 $14,576 0.60 0.69 0.87 8 7 + Demand Defrost 12.43 8.04 $994.42 $11.50 $2282.45 2.295 $1342.86 $31.47 $3656.78 4665 11,950 $1,408 0.39 $19,314 $17,334 $14,368 0.76 0.87 1.11 9 8 + Non-Bleed Thermostatic Expansion Valves 12.74 8.28 $1,016.08 $21.66 $2324.39 2.288 $1342.86 $31.47 $3698.72 4551 11,608 $1,370 0.47 $18,927 $17,001 $14,116 0.96 1.10 1.40 10 9 + Increase Indoor Coil Face Area to 7.50 sq.ft. 13.10 8.37 $1,033.92 $17.84 $2382.38 2.304 $1353.15 $31.47 $3767.00 4424 11,475 $1,348 0.64 $18,750 $16,855 $14,017 1.28 1.46 1.87 11 10 + Outdoor Coil Grooved Tubes 13.30 8.40 $1,048.28 $14.36 $2435.42 2.323 $1353.15 $31.47 $3820.04 4360 11,438 $1,339 0.78 $18,708 $16,825 $14,005 1.52 1.74 2.23 

### 12 11 + Increase Outdoor Coil Face Area to 27.30 sq.ft 13.74 8.63 $1,106.40 $58.12 $2599.23 2.349 $1405.49 $31.47 $4036.19 4220 11,135 $1,301 1.26 $18,506 $16,676 $13,935 2.51 2.87 3.66 13 12 + Electronic Expansion Valve 13.93 8.68 $1,154.74 $48.34 $2750.45 2.382 $1405.49 $40.45 $4196.39 4161 11,072 $1,291 1.63 $18,552 $16,736 $14,017 3.22 3.68 4.71 14 13 + Outdoor ECM Fan Motor 14.02 8.79 $1,227.44 $72.70 $2947.23 2.401 $1405.49 $48.06 $4400.78 4137 10,936 $1,278 2.07 $18,605 $16,809 $14,118 4.18 4.78 6.10 15 14 + Increase Outdoor Coil Face Area to 36.50 sq.ft 14.20 8.86 $1,295.30 $67.86 $3169.29 2.447 $1467.22 $48.06 $4684.57 4084 10,844 $1,265 2.68 $18,753 $16,973 $14,309 5.41 6.19 7.90 16 15 + Indoor ECM Fan Motor 14.89 8.95 $1,475.55 $180.25 $3606.36 2.444 $1467.22 $63.68 $5137.26 3893 10,733 $1,240 3.53 $18,921 $17,177 $14,566 6.87 7.86 10.04 17 16 + Two-Speed Recip-Compressor System 16.48 8.96 $1,664.30 $188.75 $4166.06 2.503 $1467.22 $80.83 $5714.11 3519 10,722 $1,207 4.48 $19,135 $17,438 $14,895 7.93 9.08 11.59 18 16 + Variable-Speed Recip-Compressor System 16.65 9.49 $2,075.55 $600.00 $5378.93 2.592 $1467.22 $133.11 $6979.26 3481 10,127 $1,153 6.39 $19,803 $18,182 $15,752 12.37 14.16 18.08 19 16 + Two-Speed Scroll-Compressor System 16.78 9.73 $1,975.55 $500.00 $5599.51 2.834 $1467.22 $128.74 $7195.47 3454 9,875 $1,130 6.51 $19,757 $18,168 $15,789 13.01 14.89 19.02 20 16 + Variable-SedScroll-Compressor System 18.59 10.01 $2,125.55 $650.00 $6366.16 2.995 $1467.22 $135.29 $7968.67 3118 9,603 $1,078 7.22 $19,957 $18,441 $16,170 13.91 15.93 20.34 Assumptions: 1 Electricity cost = 0.085 $/kWh (average cost in 1999 obtained from an interpolation of the 1995 and 2000 prices of electricity forecast in DOE's Annual Energy Outlook 1993, inflated to 1992 dollars). The interpolated value for 1999 is 0.082 $/kWh (1991$) or 0.085 after adjusting for inflation from 1991 to 1992. The electricity price enduse factor for CAC is 1.0 (no adjustment). 2 Lifetime = 15 years. 3 Baseline unit includes: Indoor Coil: 6.00 sq.ft., 13 fins/inch, Wavy Fins, 4 tube rows, Groove Tubes Outdoor Coil: 19.5 sq.ft., 20 fins/inch, Slit Fins, 2 tube rows, Smooth Tubes Compressor: Reciprocating, 10.49 EER (nominal); Accumulator Indoor Fan Motor: PSC, 58.5% efficient Outdoor Fan Motor: PSC, 55.0% efficient Enhancement Devices: None 4 Maximum Sensible Heat Ratio = 76.5% 5 Non-Bleed Thermostatic Expansion Valves replace the need for a Time Delay Relay; Accumulator still required due to excess refrigerant. 6 Evaporator ECM Fan Motor is modulated. Cost of fan motor includes electronic modulating controls. 7 Condenser ECM Fan Motor is run at a single speed. 

### Life Cycle Costs and Payback Periodsof5.ton,SinglePackageSystemCentralHeat

### Pump
[ncr. [nstalled Annual Blec Usc Annual Cumu!. SEER HSPF Manurr Manurr Retail Mark [nstallation Maintenance Consumer Cooling Heating Energy Payback Le.vel Design Option Cost Cost Cost Up Cost Cost Cost cost Period BtuhlW BtuhlW ([992$) (1992$) (1992$) (1992$) (1992$) (1992$) kWh/yr kWh/yr (1992$) (years) 0 Baseline 9.70 6.88 $934.00 

## . $2156.86 2.309 $1342.86 $46.69 $3546.41 5977 13,966 $1,690 NA 1 0+ Backward Inclined Indoor Blower 9.99 7.00 $934.03 $0,03 $2158.56 2.311 $1342.86 $46.69 $3548.11 5803 13,732 $1,656 0.05 2 t +IndoorCoil SlitPins 10.07 7.06 $934.25 $0.22 $2160.62 2.313 $1342.86 $46.69 $3550.17 5757 13,611 $1,642 0.08 

### 3 2 + Time Delay Relay 10.36 7.19 $940.75 $6.50 $2174.36 2.311 S1342.86 $46.69 $3563.91 5597 13,374 $1,608 0.21 ·1 .1 + Se",11 Compressor: I t.30 EER 11.93 7.57 $965.13 $24.38 $2221.36 2.302 $1342.86 $46.69 :l>36tO.91 486t 12,693 SI,488 0.32 

### 5 4 + More Efficient OutdoorPSC Pan Motor (65.0% 12.05 7.66 $971.43 $6.30 $2234.73 2.300 $1342.86 $39.08 $3616.67 4811 12,545 $1,471 0.32 6 5 + Increase IndoorCoil Pin Density to 14 fpi 12.09 7.70 $973.16 $1.73 $2239.60 2.301 $1342.86 $39.08 $3621.54 4797 12,484 $1,465 0.33 7 6 + More Efficient IndoorPSCPan Motor (68.5%) 12.43 7.81 $982.92 $9.76 $2259.41 2.299 $1342.86 $31.47 $3633.74 4665 12,308 $1,439 0.35 8 7 + Demand Defrost 12.43 8.04 $994.42 $11.50 $2282.45 2.295 $1342.86 $31.47 $3656.78 4665 11,950 $1,408 0.39 9 8 + Non-Bleed ThermostaticExpansion Valves 12.74 8.28 $1,016.08 $21.66 $2324.39 2.288 $1342.86 $31.47 $3698.72 4551 11,608 $1,370 0.47 10 9 + Increase IndoorCoil PaceArea to 7.50 sq.ft. 13.10 8.37 $1,033.92 $17.84 $2382.38 2.304 $1353.15 $31.47 $3767.00 4424 11,475 $1,348 0.64 11 10 + OutdoorCoil Grooved Tubes 13.30 8.40 $1,048.28 $14.36 $2435.42 2.323 $1353.15 $31.47 $3820.04 4360 11,438 $1,339 0.78 12 11 + Increase OutdoorCoilPace Area to 27.30 sq.ft 13.74 8.63 $1,106.40 $58.12 $2599.23 2.349 $1405,49 $31.47 $4036.19 4220 11,135 $1,301 1.26 13 12 + Electronic Expansion Valve 13.93 8.68 $1,154.74 $48.34 $2750.45 2.382 $1405.49 $40.45 $4196.39 4161 11,072 $1,291 1.63 14 13 + OutdoorECMPan Motor 14.02 8.79 $1,227.44 $72.70 $2947.23 2.401 $1405.49 $48.06 $4400.78 4137 10,936 $1,278 2.07 15 14 + Increase OutdoorCoil Pace Area to 36.50 sq.ft 14.20 8.86 $1,295.30 $67.86 $3169.29 2.447 $1467.22 $48.06 $4684.57 4084 10,844 $1,265 2.68 16 15 + IndoorECM Pan Motor 14.89 8.95 $1,475.55 $180.25 $3606.36 2.444 $1467.22 $63.68 $5137.26 3893 10,733 $1,240 3.53 17 16 + Two-Speed Recip·Compressor System 16.48 8.96 $1,664.30 $188.75 $4166.06 2.503 $1467.22 $80.83 $5714.11 3519 10,722 $1,207 4.48 18 16 + Variable-Speed Recip-Compressor System 16.65 9.49 $2,075.55 $600.00 $5378.93 2.592 $1467.22 $133.11 $6979.26 3481 10,127 $1,153 6.39 19 J 6 + Two-Speed Scroll-CompressorSystem 16.78 9.73 $1,975.55 $500.00 $5599.51 2.834 $1467.22 $128.74 $7195.47 3454 9,875 $1,130 6.51 20 16 + Variable-Speed Scroll-Compressor System 18.59 10.01 $2.125.55 $650.00 $6366.16 2.995 $1467.22 $135.29 $7968.67 3118 9,603 $1,078 7.22 Assumptions:

1 Electricity cost= 0.085 $/kWh (average costin 1999 obtained from an interpolation ofthe 1995 and 2000pricesofelectricity forecast in DOE's Annual Energy Outlook 1993, inflated to 1992 dollars). Theinterpolated value for 1999is 0.082 $/kWh (1991$) or0.085 afteradjusting for inflation from 1991 to 1992. The electricity price enduse factor for CACis 1.0 (no adjustment). Lifetime = 15 years. Baseline unit includes: IndoorCoil: 6.00 sq.ft" 13 fins/inch, WavyPins, 4 lube rows, GrOOve Tubes OutdoorCoil: 19.5 sq.ft" 20 fins/inch, SlitPins, 2 tube rows, Smooth Tubes Compressor: Reciprocating, 10.49 EER (nominal); Accumulator IndoorPan Motor: PSC, 58.5%efficient OutdoorPan Motor: PSC, 55.0%efficient Enhancement Devices: None Maximum Sensible Heat Ratio = 76.5% Non-Bleed ThermostaticExpansionValves replace the need for a Time Delay Relay; Accumulator still required due to excess refrigerant. 6 EvaporatorECMPan Motoris modulated. Costoffan motorincludes electronic modulating controls. CondenserECMPan Motoris run at a single speed. 6/3/94
Lifecycle Costs Cumulative Cost ofConserved Energy (1992$) (ccntslkWh) 4% 6% 10% 4% 6% 10% $22,341 $19,964 $16,404 NA NA NA $21,958 $19,630 $16,142 0.09 0.10 0.13 $21,802 $19,494 $16,036 0.15 0.18 0.22 $2[,442 $19,181 $15,794 0.41 0.47 0.61 $20,154 S18,062 $14,928 0.52 0.60 0.76 S19,973 $17,904 $14,806 0.54 0.62 0.79 $19,907 $17,847 $14,762 0.57 0.66 0.84 $19,629 $17,606 $14,576 0.60 0.69 0.87 $19,314 $17,334 $14,368 0.76 0.87 1.11 $18,927 $17,001 $14,116 0.96 1.10 1.40 $18,750 $16,855 $14,017 1.28 1.46 1.87 $18,708 $16,825 $14,005 1.52 1.74 2.23 $18,506 $16,676 $13,935 2.51 2.87 3.66 $18,552 $16,736 $14,017 3.22 3.68 4.71 $18,605 $16,809 $14,118 4.18 4.78 6.10 $18,753 $16,973 $14,309 5.41 6.19 7.90 $18,921 $17,177 $14,566 6.87 7.86 10.04 $19,135 $17,438 $14,895 7.93 9.08 11.59 $19,803 $18,182 $15,752 12.37 14.16 18.08 $19,757 $18,168 $15,789 13.01 14.89 19.02 $19,957 $18,441 $16,170 13.91 15.93 20.34

# 6/3/94 

# Life Cycle Cost for 5-ton Single Package System

Central Heat Pump

1-1 

# $20,200 $19,800 $19,400 

# $19,000

$17,800 

# $17,400 $17,000 

# $16,600 

# ® 6% discount rate $20,200 0 $19,800 2 $19,400 3 $19,000



# ----**~** $\8,600 -, 

### ..**~** 1""'1 

### '-" 

# U U $18,200**~** 

# $17,800 $17,400 $17,000 $16,600 9.0 10.0 11.0 6/3/94 

# Life Cycle Costfor 5-ton SinglePackage System CentralHeatPump

I -l1li-_ - 

# 6% discountrate I



# 18 4 111111 

# 19
7 

# 8\0

12.0 13.0 14.0 15.0 16.0 17.0 

# SEER 20

18.0 19.0

# 6/3/94 

# Life Cycle Cost for 5-ton Single Package System

Central Heat Pump $23,000 - $22,000 - 

# $21,000 - $20,000 

# $19,000 $18,000

V3 

# $17,000 $16,000 $15,000 $14,000 $13,000 4% discount rate - - 6% discount rate 10% discount rate

9.0 10.0 11.0 12.0 13.0 14.0 15.0 16,0 17.0 18.0 19.0 SEER . 

# $23,000 $22,000

- $21,000 $20,000



# -- $19,000

# ~ 0\ 

# C $18,000 U 

# U ..:l 

# $17,000 $16,000 $15,000 $14,000 $13,000 

# 9.0 10.0 11.0 6/3/94 

# Life Cycle Costfor 5-ton SinglePackageSystem Central HeatPump

--0-- 

# 4% discountrate

- - -6 - - 

# 6% discountrate

....+, ' " 

# 10% discountrate

- ,+

- -.

# ~ , -+ , ' + •'- :.':

# -~--."-:'- -,-,'.-. - -+



# 12.0 +, .... ' -+- -... +. - - ..... 

# +



# 13.0 14.0 SEER 

# 15.0 16.0 17.0 18.0 19.0

### Life Cycle Costs and Payback Periods of 5-ton, Split System Central Heat Pump 6/7/94

Incr. Installed Annual Elec Use Annual Cumul. Lifecycle Costs Cumulative SEER HSPF Manufr Manufr Retail Mark Installation Maintenance Consumer Cooling Heating Energy Payback Cost ofConserved Energy Level Design Option Cost Cost Cost Up cost cost Cost cost Period 19925 cents/kWh Btuh/W Btuh/W (1992$) (19925 (1992$) (1992$ 1992$ 19925 kWh/yr kWh/ r 1992$ ears 4% 6% 10% 4% 6% 10% 0 Baseline 10.00 7.09 $934.00

- $2689.81 2.880 $1161.54 $46.69 $3898.04 5798 13,556 $1,640 NA $22,137 $19,830 $16,375 NA NA NA 1 0 + Backward Inclined Indoor Blower 10.30 7.21 $934.03 $0.03 $2691.21 2.881 $1161.54 $46.69 $3899.44 5629 13,328 $1,607 0.04 $21,765 $19,505 $16,121 0.07 0.09 0.11 2 1 + Indoor Coil Slit Fins 10.38 7.27 $934.25 $0.22 $2693.53 2.883 $1161.54 $46.69 $3901.76 5584 13,211 $1,593 0.08 $21,614 $19,374 $16,019 0.16 0.18 0.23 3 2 +Time Delay Relay 10.68 7.40 $940.75 $6.50 $2710.42 2.881 $1161.54 $46.69 $3918.65 5429 12,981 $1,560 0.26 $21,268 $19,074 $15,787 0.50 0.58 0.73 4 3 + Scroll Compressor. 11.30 EER 12.30 7.80 $965.13 $24.38 $2768.10 2.868 $1161.54 $46.69 $3976.33 4715 12,320 $1,444 0.40 $20,030 $18,000 $14,959 0.65 0.74 0.95 5 4 + More Efficient Outdoor PSC Fan Motor (65.0% 12.42 7.89 $971.43 $6.30 $2784.90 2.867 $1161.54 $39.08 $3985.52 4666 12,176 $1,428 0.41 $19,858 $17,851 $14,844 0.70 0.80 1.02 6 5 + Increase Indoor Coil Fin Density to 14 fpi 12.46 7.93 $973.16 $1.73 $2791.01 2.868 $1161.54 $39.08 $3991.63 4653 12,117 $1,421 0.43 $19,795 $17,796 $14,803 0.74 0.84 1.07 7 6 + More Efficient Indoor PSC Fan Motor (68.5%) 12.81 8.04 $982.92 $9.76 $2815.88 2.865 $1161.54 $31.47 $4008.89 4525 11,946 $1,396 0.45 $19,531 $17,568 $14,628 0.78 0.90 1.15 8 7+ Demand Defrost 12.81 8.29 $994.42 $11.50 $2844.81 2.861 $1161.54 $31.47 $4037.82 4525 11,598 $1,367 0.51 $19,232 $17,311 $14,432 0.99 1.13 1.44 9 8+Non-BleedfermostaticExpansion Valves 13.13 8.53 $1,016.08 $21.66 $2897.84 2.852 $1161.54 $31.47 $4090.85 4415 11,266 $1,329 0.62 $18,868 $17,000 $14,200 1.25 1.44 1.83 10 9 + Increase Indoor Coil Face Area to 7.50 sq.ft. 13.51 8.63 $1,033.92 $17.84 $2948.11 2.851 $1171.83 $31.47 $4151.41 4292 11,137 $1,308 (1.76 $18,692 $16,853 $14,098 1.51 1.73 2.21 11 10 + Outdoor Coil Grooved Tubes 13.71 8.66 $1,048.28 $14.36 $2992.32 2.854 $1171.83 $31.47 $4195.62 4229 11,102 $1,299 0.87 $18,643 $16,816 $14,079 1.71 1.95 2.49 12 11 + Increase Outdoor Coil Face Area to 27.30 sq.ft 14.17 8.89 $1,106.40 $58.12 $3148.10 2.845 $1224.17 $31.47 $4403.74 4093 10,807 $1,263 1.34 $18,445 $16,670 $14,010 2.67 3.05 3.90 13 12 + Electronic Expansion Valve 14.37 8.94 $1,154.74 $48.34 $3284.56 2.844 $1224.17 $40.45 $4549.18 4036 10,747 $1,253 1.68 $18,480 $16,718 $14,079 3.32 3.81 4.86 14 13 + Outdoor ECM Fan Motor 14.44 9.05 $1,227.44 $72.70 $3479.51 2.835 $1224.17 $48.06 $4751.74 4014 10,616 $1,240 2.13 $18,539 $16,795 $14,184 4.31 4.93 6.29 15 14 + Increase Outdoor Coil Face Area to 36.50 sq.ft 14.63 9.13 $1,295.30 $67.86 $3671.78 2.835 $1285.90 $48.06 $5005.74 3963 10,527 $1,228 2.69 $18,661 $16,934 $14,347 5.43 6.22 7.94 16 15 + Indoor ECM Fan Motor 15.35 9.22 $1,475.55 $180.25 $4136.36 2.803 $1285.90 $63.68 $5485.94 3778 10,419 $1,203 3.63 $18,865 $17,173 $14,638 7.07 8.09 10.33 17 16+Two-Speed Recip-CompressorSystem 16.98 9.23 $1,664.30 $188.75 $4648.97 2.793 $1285.90 $80.83 $6015.70 3415 10,409 $1,172 4.52 $19,043 $17,395 $14,927 7,99 9.15 11.68 18 16 + Variable-Speed Recip-Compressor System 17.16 9.78 $2,075.55 $600.00 $5762.25 2.776 $1285.90 $133.11 $7181.26 3378 9,831 $1,120 6.30 $19,629 $18,055 $15,697 12.20 13.97 17.84 19 16+TwoSpeedScroll-Compressor System 17.30 10.02 $1,975.55 $500.00 $5658.69 2.864 $1285.90 $128.74 $7073.33 3352 9,586 $1,097 5.84 $19,266 $17,724 $15,414 11.68 13.37 17.07 

### 20 16 + Variable-Speed Scroll-Compressor System 19.16 10.31 $2,12555 $650.00 $6169.44 2.903 $1285.90 $135.29 $7590.63 3026 9,322 $1,047 6.22 $19,227 $17,755 $15,551 11.98 13.72 17.51 Assumptions: 1 Electricity cost = 0.085 $/kWh (average cost in 1999 obtained from an interpolation of the 1995 and 2000 prices of electricity forecast in DOE's Annual Energy Outlook 1993, inflated to 1992 dollars). The interpolated value for 1999 is 0.082 $/kWh (1991$) or 0.085 after adjusting for inflation from 1991 to 1992. The electricity price enduse factor for CAC is 1.0 (no adjustment). 2 Lifetime = 15 years. 3 Baseline unit includes: Indoor Coil: 6.00 sq.ft., 13 fins/inch, Wavy Fins, 4 tube rows, Groove Tubes Outdoor Coil: 19.5 sq.ft., 20 fins/inch, Slit Fins, 2 tube rows, Smooth Tubes Compressor. Reciprocating, 10.49 EER (nominal); Accumulator Indoor Fan Motor. PSC, 58.5% efficient Outdoor Fan Motor. PSC, 55.0% efficient Enhancement Devices: None 4 Maximum Sensible Heat Ratio = 76.5% 5 Non-Bleed Thermostatic Expansion Valves replace the need for a Time Delay Relay; Accumulator still required due to excess refrigerant. 6 Evaporator ECM Fan Motor is modulated. Cost of fan motor includes electronic modulating controls. 7 Condenser ECM Fan Motor is run at a single speed. 

### LifeCycle CostsandPaybackPeriodsofS-ton, SplitSystem CentralHeatPump
Incr. Installed Annual Elec Use Annual Cumul. SEER HSPF Manufr Manufr Retail Mark Installation Maintenance Cunsumer Cooling Heating Energy Payback Level Design Option Cost Cost Cost Up Cost 

### Cost Cost cost Period Btuh/W BtuhIW (1992$) (1992$) (1992$) (1992$) (1992$) (1992$) kWh/yr kWh/yr (1992$) (years) 0 Baseline 10.00 7.Ce $934.00 

# - $2689.81 2.880 $1161.54 $46.69 $3898.04 5798 13,556 $1,640 NA 1 0+Backward Inclined lodoor Blower 10.30 7.21 $934.03 $0.03 $2691.21 2.881 $1161.54 $46.69 $3899.44 5629 13,328 SI,607 0.04 2 1 + IndoorCoil Slit Fins 10.38 7.27 S934.25 $0.22 $2693.53 2.883 $1161.54 $46.69 $3901.76 5584 13,211 $1,593 0.08 3 2 +Time Delay Relay 10.68 7.40 $940.75 $6.50 S2710.42 2.881 $1161.54 $46.69 $3918.65 5429 12,981 $1,560 0.26 4 3 +Scroll Compressor: 11.30EER 12.30 7.80 $965.13 $24.38 $2768.10 2.868 $1161.54 S46.69 $3976.33 4715 12,320 $1,444 0.40 

### 5 4 + More Efficient OutdoorPSC Fan Motor (65.0% 12.42 7.89 S971.43 S6.3O $2784.90 2.867 $1161.54 $39.08 $3985.52 4666 12,176 $1,428 0.41 6 5 + Increase IndoorCoil Fin Density to 14 fpi 12.46 7.93 $973.16 S1.73 S2791.01 2.868 $1161.54 $39.08 $3991.63 4653 12,117 SI,421 0.43 7 6 + More Efficient IndoorPSC Fan Motor (68.5%) 12.81 8.04 S982.92 S9.76 $2815.88 2.865 $1161.54 $31.47 $4008.89 4525 11,946 $1,396 0.45 8 7 + Demand Defrost 12.81 8.29 $994.42 SII.50 $2844.81 2.861 $1161.54 $31.47 $4037.82 4525 11,598 $1,367 0.51 9 8 + Non-BleedThermoshlticExpansion Valves 13.13 8.53 $1,016.08 $21.66 $2897.84 2.852 $1161.54 $31.47 $4090.85 4415 11,266 SI,329 0.62 10 9 + Increase IndoorCoil Flee Area to 7.50sq.ft. 13.51 8.63 $1,033.92 $17.84 $2948.11 2.851 $1171.83 S31.47 $4151.41 4292 11,137 $1,308 0.76 11 10+OutdoorCoil GroovedTubes 13.71 8.66 $1,048.28 $14.36 S2992.32 2.854 $1171.83 $31.47 $4195.62 4229 11,102 $1,299 0.87 12 11 + IncreaseOutdoorCoil FaceAreato27.30sq.ft 14.17 8.89 SI,106.4O $58.12 $3148.10 2.845 SI224.17 $31.47 $4403.74 4093 10,807 $1,263 1.34 13 12+ ElectronicExpansion Valve 14.37 8.94 $1,154.74 $48.34 $3284.56 2.844 SI224.17 $40.45 $4549.18 4036 10,747 $1,253 1.68 14 13+ OutdoorECM Fan Motor 14.44 9.05 $1,227.44 $72.70 $3479.51 2.835 S1224.17 $48.06 $4751.74 4014 10,616 $1,240 2.13 15 14 + IncreaseOutdoorCoil FaceArea to 36.50sq.ft 14.63 9.13 SI,295.3O $67.86 S3671.78 2.835 $1285.90 S48.06 S5005.74 3963 10,527 $1,228 2.69 16 15 + IndoorECM FanMotor 15.35 9.22 $1,475.55 $180.25 $4136.36 2.803 SI285.90 S63.68 $5485.94 3778 10,419 $1,203 3.63 17 16 +Two-Speed Recip-CompressorSystem 16.98 9.23 SI,664.3O $188.75 $4648.97 2.793 $1285.90 $80.83 $6015.70 3415 10,409 $1,172 4.52 18 16 +Variable-Speed Recip-CompressorSystem 17.16 9.78 $2,075.55 S6OO.00 $5762.25 2.776 $1285.90 SI33.11 $7181.26 3378 9,831 $1,120 6.30 19 16 +Two-Speed Scroll-CompressorSystem 17.30 10.02 $1,975.55 S500.00 $5658.69 2.864 $1285.90 SI28.74 S7073.33 3352 9,586 $1,097 5.84 20 16 + Variable-Speed Scroll-CompressorSystem 19.16 10.31 $2,125.55 $650.00 $6169.44 2.903 S1285.90 $135.29 $7590.63 3026 9,322 $1,047 6.22 Assumptions'

1 Electricity cost

### =0.085 S/kWb (average cost in 1999obtained from an interpolation oftbe 1995 and 2000 prices ofelectricity forecast in DOE'sAnnual Energy Outlook 1993, inflated to 1992dollars).The interpolatedvalue for 1999 is0.082$/kWb (1991S)or0.085 afteradjustingfor inflation from 1991 to 1992.The electricity priceenduse factor for CACis 1.0(noadjustment). 2 Lifetime

### =15years. 3 Baseline unit includes: IndoorCoil: 6.00 sq.ft., 13 fins/incb, Wavy Fins, 4 tube rows, Groove Tubes OutdoorCoil: 19.5sq.ft.,20fins/inch, SlitFins, 2 tube rows, SmootbTubes Compressor: Reciprocating, 10.49EER (nominal); Accumulator IndoorFanMotor: PSG, 58.5% efficient OutdoorFanMotor: PSC, 55.0% efficient Enbancement Devices: None 4 Maximum Sensible Heat Ratio

### =76.5% 5 Non-BleedThermostaticExpansionValvesreplace the need for aTime Delay Relay; Accumulatorstill required due to excess refrigerant. 6 EvaporatorECM FanMotoris modulated. Cost offan motorincludes electronicmodulatingcontrols. 7 CondenserECM FanMotorisrunat a singlespeed. 6/7/94
Lifecycle Costs Cumulative Cost ofConserved Energy (1992S) (cenIs/kWb) 4% 6% 10% 4% 6% 10% $22,137 S19,83O $16,375 NA NA NA $21,765 $19,505 $16,121 0.07 0.09 0.11 $21,614 $19,374 $16,019 0.16 0.18 0.23 $21,268 $19,074 S15,787 0.50 0.58 0.73 $20,030 $18,000 $14,959 0.65 0.74 0.95 $19,858 $17,851 $14,844 0.70 0.80 1.02 $19,795 $17,796 $14,803 0.74 0.84 1.07**$19,53~** $17,568 $14,628 0.78 0.90 1.15 S19,23 $17,311 $14,432 0.99 1.13 1.44 $18,868 $17,000 $14,200 1.25 1.44 1.83 S18,692 $16,853 $14,098 1.51 1.73 2.21 $18,643 $16,816 $14,079 1.71 1.95 2.49 $18,445 $16,670 $14,010 2.67 3.05 3.90 $18,480 $16,718 $14,079 3.32 3.81 4.86 $18,539 $16,795 $14,184 4.31 4.93 6.29 $18,661 $16,934 S14,347 5.43 6.22 7.94 $18,865 $17,173 S14,638 7.07 8.09 10.33 S19,043 S17,395 S14,927 7.99 9.15 11.68 $19,629 S18,055 S15,697 12.20 13.97 17.84 $19,266 S17,724 S15,414 11.68 13.37 17.07 $19,227 $17,755 $15,551 11.98 

### 13.72 17.51

### Life Cycle Costs and Payback Periods of 3-ton, Split System Central Heat Pump 6/7194

Incr
. Installed Annual Elec Use Annual Cumul. Lifecycle Costs Cumulative SEER HSPF Manufr Manufr Retail Mark Installation Maintenance consumer Cooling Heating Energy Payback Cost of Conserved Energy Level Design Option Cost Cost Cost Up Cost Cost cost cost Period 19925 cents/kWh Btuh/W Btuh/W 1992$) 1992$) (1992$) 1992$ 19925 (1992$) kWh/ YT kWh/ r 1992$ (years) 4% 6% 10% 4% 6% 10% 0 Baseline 10.00 6.89 $677.00

- $1757.89 2.597 $902.53 $46.69 $2707.11 3651 8,132 $999 NA $13,812 $12,407 $10,304 NA NA NA 1 0 + Backward Inclined Indoor Blower 10.30 7.00 $677.00 $0.00 $1759.13 2.598 $902.53 $46.69 $2708.35 3544 8,011 $979 0.06 $13,598 $12,221 $10,158 0.10 0.12 0.15 2 1 + Indoor Coil Slit Fins 10.43 7.11 $677.03 $0.03 $1760.61 2.600 $902.53 $46.69 $2709.83 3500 7,889 $965 0.08 $13,442 $12,085 $10,052 0.16 0.19 0.24 3 2 + Increase Indoor Coil Fin Density to 14 fpi 10.47 7.13 $677.69 $0.66 $1763.81 2.603 $902.53 $46.69 $2713.03 3486 7,858 $962 0.16 $13,403 $12,051 $10,026 0.32 0.37 0.47 4 3 + More Efficient Indoor PSC Fan Motor (68.5%) 10.72 7.22 $684.89 $7.20 $1780.72 2.600 $902.53 $39.08 $2722.33 3406 7,760 $946 0.29 $13,245 $11,914 $9,921 0.56 0.64 0.82 5 4 + More Efficient Outdoor PSC Fan Motor (65.0% 10.83 7.32 $691.19 $6.30 $1795.81 2.598 $902.53 $31.47 $2729.81 3372 7,658 $935 0.36 $13,124 $11,809 $9,840 0.73 0.84 1.07 6 5+Time Delay Relay 11.17 7.47 $697.69 $6.50 $1810.98 2.596 $902.53 $31.47 $2744.98 3268 7,506 $913 0.44 $12,899 $11,615 $9,691 0.89 1.02 1.30 7 6 + Reciprocating Compressor. 11.26 EER 11.69 7.68 $708.68 $10.99 $1835.54 2.590 $902.53 $31.47 $2769.54 3125 7,295 $883 0.54 $12,589 $11,347 $9,487 1.07 1.22 1.56 8 7 + Increase Indoor Coil Face Area to 4.97 sq.ft. 12.41 7.97 $722.05 $13.37 $1865.20 2.583 $912.27 $31.47 $2808.94 2941 7,037 $846 0.67 $12,212 $11,023 $9,242 1.29 1.48 1.89 9 8 + Demand Defrost 12 .41 8.20 $733.55 $11.50 $1893.29 2.581 $912.27 $31.47 $2837.03' 2941 6,832 $828 0.76 $12,047 $10,882 $9,138 1 .65 1.88 2.41 10 9 + Outdoor Coil Grooved Tubes 12.73 8.24 $740.52 $6.97 $1911.92 2.582 $912.27 $31.47 $2855.66 2869 6,803 $820 0.83 $11,971 $ 10,818 $9,091 1.71 1.96 2.50 11 10 + Increase Indoor Coil Face Area to 6.39 sq.ft. 13.12 8.40 $755.60 $15.08 $1947.94 2.578 $922.01 $31.47 $2901.42 2782 6,674 $802 0.99 $11,813 $10,686 $8,998 2.01 2.30 2.94 12 11 +Scroll Compressor . 11.50 EER 13.70 8.50 $774.58 $18.98 $1994.41 2.575 $922.01 $31.47 $2947.89 2665 6,591 $785 1.12 $11,671 $10,568 $8,915 2.20 2.51 3.21 

### 13 12+Non-Bleed ThmnoataticExpansion Valves 

### 14,04 8,73 $787.03 $12.45 $2026.71 2.575 $922,01 $31,47 $2980,19 26(X) 6,422 $765 1,17 $11,482 $10,407 $8,796 2.34 2,68 3,42 .14 13 + Increase Outdoor Coil Face Area to 21.(X) sq.f1. 1438 9.38) $811.89 $24.86 $21185.65 2.569 $962.27 $31.47 $3079.39 2471 6,184 $734 1.40 $11,236 

### $10,204 $8,659 2.84 3.25 4.15 15 14 + Increase Indoor Coil Face Area to 7.50 sq.ft. 15.00 9.13 $822.19 $10.30 $2116.45 2.574 $969.88 $31.47 $3117.80 2434 6,139 $727 1.51 $11,197 $10,175 $8,645 3.03 3.47 4.44 16 15 + Increase Indoor Coil Tube Density to 4 rows 15.12 9.20 $844.58 $22.39 $2175.09 2.575 $969.88 $31.47 $3176.44 2416 6,092 $721 1.69 $11,194 $10,180 $8,661 3.42 3.91 4.99 17 16 + Increase Outdoor Coil Face Area to 30.00 sq.ft. 15.48 9.32 $890.19 $45.61 $2287.09 2.569 $1030.27 $31.47 $3348.83 2359 6,018 $710 2.22 $11,243 $10,244 $8,749 4.47 5.11 6.53 18 17 + Outdoor ECM Fan Motor 15.59 9.45 $962.89 $72.70 $2461.70 2.557 $1030.27 $39.08 $3531.05 2343 5,935 $702 2.77 $11,332 $10,345 58,868 5.66 6
.48 8.28 19 18 + Electronic Expansion Valve 15.79 950 $1,011.23 $48.34 $2583.94 2.555 $1030.27 $48.06 $3662.27 2313 5,904 $696 3.16 $11,406 $10,426 58,960 6.42 7.35 9.38 

### 20 19 + Indoor ECM Fan Motor 16.36 9.56 $1,152.53 $141.30 $2906.75 2.522 $1030.27 $63.68 $4000.70 2232 5,865 $686 4.14 $11,631 $10,666 $9,221 8.20 9.39 11.99 21 20+Two-Speed Recip-Compressor System 17.90 9.60 $1,332.79 $180.26 $3314.52 2.487 $1030.27 $77.62 $4422.41 2040 5,837 $668 5.18 $11,845 $10,906 $9,500 9.57 10.96 13.99 22 20+Variable-Speed Recip-CompressorSystem 18.24 10.01 $1,744.04 $591.51 $4230.16 2.425 $1030.27 $123.47 $5383.90 2002 5,601 $644 7.55 $12,549 $11,643 $10,286 14.60 16.71 21.34 23 20+Two-Speed Scroll-Compressor System 18.48 10.19 $1,644.04 $491.51 $4061.11 2.470 $1030.27 $119.10 $5210.48 1976 5,500 $634 6.86 $12,256 $11,365 $10,030 13.44 15.39 19.65 24 20+ Variable- Speed Scroll-Compressor System 20.83 11.01 $1,794.04 $641.51 $4426.08 2.467 $1030.27 $125.66 $5582.01 1753 5,089 $580 6.86 $12,030 $11,215 $9,993 13.62 15.59 19.91 j


# k

Assumptions: 1 Electricity cost = 0.085 $/kWh (average cost in 1999 obtained from an interpolation of the 1995 and 2000 prices of electricity forecast in DOE's Annual Energy Outlook 1993, inflated to 1992 dollars). The interpolated value for 1999 is 0.082 $/kWh (1991$) or 0.085 after adjusting for inflation from 1991 to 1992. The electricity price enduse factor for CAC is 1.0 (no adjustment), 2 Lifetime = 15 years. 3 Baseline unit includes: Indoor Coil: 3.55 sq.ft., 13 fins/inch, Wavy Fins, 3 tube rows, Groove Tubes Outdoor Coil: 15.00 sq.ft., 20 fins/inch, Slit Fins,1 tube row, Smooth Tubes Compressor. Reciprocating, 10.80 EER (nominal); Accumulator Indoor Fan Motor

. PSC, 58.5% efficient Outdoor Fan Motor

. PSC, 55.0% efficient Enhancement Devices: None 4 All Two-Speed and Variable-Speed Compressor Systems include an Accumulator. 5 Maximum Sensible Heat Ratio = 76.5% 6 Non-Bleed Thermostatic Expansion Valves replace the need for a Time Delay Relay and an Accumulator. 7 Evaporator ECM Fan Motor is modulated. Cost of fan motor includes electronic modulating controls. 8 Condenser ECM Fan Motor is run at a single speed. 

# fL

# ~ VM. LifeCycleCosts andPaybackPeriods of3 o

### ton, SplitSystem CentralHeatPump
Incr. Installed Annual ElecUse Annual Cumu!. SEER HSPF Manurr Manurr Retail Mark Installation Maintenance consumer Cooling Heating Energy Payback Level Design Option Cost Cost Cost Up Cost Cost cost cost Period BtuhIW BtuhIW (1992$) (1992$) (1992$) (1992$) (1992$) (1992$) kWblyr kWblyr (1992$) (years) 0 Baseline 10.00 6.89 $677.00 

# - $1757.89 2.597 $902.53 $46.69 $2707.11 3651 8,132 $999 NA 1 0+Backward Inclined Indoor Blower 10.30 7.00 $677.00 $0.00 $1759.13 2.598 $902.53 $46.69 $2708.35 3544 8,011 $979 0.06 2 1 +Indoor Coil SlitFins 10.43 7.11 $677.03 $0.03 $1760.61 2.600 $902.53 $46.69 $2709.83 3500 7,889 $965 0.08 3 2 +Increase IndoorCoil Fin Density to 14fpi 10.47 7.13 $677.69 $0.66 $1763.81 2.603 $902.53 $46.69 $2713.03 3486 7,858 $962 0.16 4 3 +More Efficient Indoor PSC Fan Motor(68.5%) 10.72 7.22 $684.89 $7.20 $1780.72 2.600 $902.53 539.08 $2722.33 3406 7,760 $946 0.29 5 4 +More EfficientOutdoorPSC Fan Motor(65.0% 10.83 7.32 $691.19 $6.30 $1795.81 2.598 $902.53 $31.47 $2729.81 3372 7,658 $935 0.36 6 5 +Time Delay Relay 11.17 7.47 $697.69 

### $6.50 $1810.98 2.596 $90253 531.47 $2744.98 3268 7,506 $913 0.44 7 6 +ReciprocatingCompressor: 11.26 EER 11.69 7.68 $708.68 $10.99 $1835.54 2.590 $902.53 $31.47 $2769.54 3125 7,295 $883 0.54 8 7 +Increase IndoorCoil Face Area to 4.97 sq.ft. '12.41 7.97 $722.05 $13.37 $1865.20 2.583 $912.27 $31.47 $2808.94 2941 7,037 $846 0.67 . 9 8 +Demand Defrost 12.41 8.20 $733.55 

### $11.50 $1893.29 2.581 $912.27 531.47 $2837.03- 2941 6,832 $828 0.76 10 9 +OutdoorCoil GroovedTubes 12.73 8.24 $740.52 $6.97 $1911.92 2.582 $912.27 531.47 $2855.66 2869 6,803 $820 0.83 11 10

### +Increase IndoorCoil FaceArea to 6.39 sq.ft. 13.12 8.40 $755.60 515.08 $1947.94 2.578 $92201 $31.47 $2901.42 2782 6,674 $802 0.99 12 11 +&rollCompressor: 

### 11.50EER 13.70 

### 8.50 $n4.58 518.98 $1994.41 2.575 $922.01 $31.47 $2947.89 2665 6,591 $785 1.12 13 12 

### +Non·meedTh.rmoKtatlc Expo".lon V.lv", 14.()4 H.7] $787.03 $12.45 52026.71 2.575 5922.01 531.47 S2<)80.19 26W 6,422 

### $7115 1.17

.14 13 t InerelAe Outdoor Coil 

### 1'.<
..Are. to 2UX) oq.fl
. 14.78 9.06 $811.89 $24.86 $20115.65 2.569 $%2.27 $31.47 $307'1.3'1 2471 1>,IH4 $734 1.40 15 14

### +Increase Indoor Coil Face Area to 7.50 sq.ft. 15.00 9.13 $822.19 $)(1.30 $2116.45 2.574 $969.88 $31.47 $3117.80 2434 6,139 $727 1.51 16 15 

### +Increase IndoorCoil Tube Density to 4rows 15.12 9.20 $844.58 $22.39 $2175.09 2.575 $969.88 $31.47 $3176.44 2416 6,092 $721 1.69 17 16

### +Increase OutdoorCoil FaceArea to 30.00sq.ft. 15.48 9.32 $890.19 $45.61 $2287.09 2.569 $1030.27 $31.47 $3348.83 2359 6,018 $710 2.22 18 17 

### +OutdoorECM Fan Motor 15.59 9.45 $962.89 $72.70 $2461.70 2.557 $1030.27 $39.08 $3531.05 2343 5,935 $702 2.77 19 18 

### +Electronic Expansion Valve 15.79 950 $1,011.23 $48.34 $2583.94 2.555 S1030.27 $48.06 $3662.27 2313 5,904 $6% 3.16 20 19

### +IndoorECM Fan Molor 16.36 9.56 $1,152.53 $141.30 $2906.75 2.522 $1030.27 $63.68 $4000.70 2232 5,865 $686 4.14 21 20

### +Two-Speed Recip-CompressorSystem 17.90 9.60 $1,332.79 $180.26 $3314.52 2.487 $1030.27 $77.62 $4422.41 2040 5,837 $668 5.18 22 20

### +Variable-Speed Recip-CompressorSystem 18.24 10m $1,744.04 $591.51 $4230.16 2.425 $1030.27 $123.47 $5383.90 2002 5,601 $644 7.55 23 20 +Two-SpeedScroll-CompressorSystem 18.48 10.19 $1,644.04 $491.51 $4061.11 2.470 $1030.27 $119.10 $5210.48 1976 5,500 $634 6.86 24 20

### +Variable-SpeedScroll-CompressorSystem 20.83 11.01 $1,794.04 $641.51 $4426.08 2.467 $1030.27 $125.66 $5582.01 1753 5,089 $580 6.86 Assumptionsj

1 Electricitycost

### =0.085 SIkWb (average cost in 1999 obtained from an interpolation oftbe 1995 and 2000 prices ofelectricity forecast in DOE's Annual Energy Outlook 1993,inflated

to 1992donars). The interpolated value for 1999is 0.082 $IkWb (1991$) or0.085 afteradjusting for inflation from 1991 to 1992.The electricity price enduse factorfor CACis 1.0(no adjustment). 2 Ufetime

### =15 years. 3 Baselineunit includes: IndoorCoil: 3.55sq.ft., 13 fins/incb, Wavy Fins, 3tuberows, GrooveTube. OutdoorCoil: 15.00sq.ft., 20fins/incb, SlitFins, 1tube 

### row, SmootbTubes Compressor: Reciprocating, 10.80EER (nominal);A=mulator IndoorFan Motor: 

### Psc, 58.5% efficient OutdoorFan MoIor: PSC, 55.0% efficient Enhancement Devices: None 4 All Two-Speed and Variable-SpeedCompressorSystems include anA=mulator. 5 MaximumSensible Heat Ratio 

### =76.5% 6 Non-BleedThermostaticExpansion Valvesreplace tbe need for aTimeDelay Relay and anAccumulator. 7 EvaporatorECM FanMotoris modulated. Cost offan motorincludeselectronicmodulatingcontrols. 8 CondenserECM FanMotoris run at asingle speed. 6/7/94
UfecycleCosts Cumulative CostofConserved Energy (1992$) (cents/kWb) 4% 6% 10% 4% 6% 10% $13,812 $12,407 $10,304 NA NA NA $13,598 $12,221 $10,158 0.10 0.12 0.15 $13,442 $12,085 $10,052 0.16 0.19 0.24 $13,403 $12,051 $10,026 0.32 0.37 0.47 $13,245 $11,914 $9,921 0.56 0.64 0.82 $13,124 $11,809 $9,840 0.73 0.84 1.07 $12,899 $11,615 $9,691 0.89 1.02 1.30 $12,589 $11,347 $9,487 1.07 1.22 1.56 512,212 $11,023 $9,242 1.29 1.48 1.89 512,047 $10,882 $9,138 1.65 1.88 2.41 511,971 $10,818 S9,091 1.71 1.96 

### 2.50 $11,813 $10,686 $8,998 2.01 230 294 $11,671 $10,568 $8,915 2.20 251 3.21 $11,482 $10,41)7 SR,7Wi l.;l4 

### 2,611 

### ),42 $11,236 

### $1O,2()4 $I!,M'! 

### 2.114 3,2$ 

### 4.15 $11,197 $10,175 $8,645 3.03 3.47 4.44 $11,194 $10,180 $8,661 3.42 3.91 4.99 $11,243 $10,244 $8,749 4.47 

### S.l1 6.53 $11,332 $10,345 $8,868 5.66 6.48 8.28 $11,406 $10,426 $8,960 6.42 7.35 9.38 $11,631 $10,666 $9,221 8.20 9.39 11.99 $11,845 $10,906 $9,500 9.57 10.96 13.99 $12,549 $11,643 $10,286 14.60 16.71 21.34 $12,256 $11,365 $10,030 13.44 15.39 19.65 $12,030 $11,215 $9,993 13.62 15.59 19.91

# 6/7/94 

# Life Cycle Cost for 3-ton Split System Central Air Conditioner $6,000 $5,800 $5,600 

# $5,400

$5,000 $4,800 

# $4,600 $4,400 $4,200 1 ' I 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 21.0 22.0 SEER $6,000 $5,800 $5,600 $5,400



# ----**~** 

# $5,200 0\ 0\**~** 

# -- U U $5,000**~** 

# $4,800 $4,600 $4,400 $4,200 9.0 6/7/94 

# Life Cycle Cost for3-ton Split System CentralAirConditioner

# l~- 6% discountrate]

0 1 3 5 14 6 9 10 13

10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 

# SEER 18 20
19

19.0 20.0 21.0 22.0

# 6/7/94 

# Life Cycle Cost for 3-ton Split System Central Air Conditioner

U U 

# $6,200 

# T $5,800

$5,400

$4,600

AzY 

# $4,200

$3,800 I i i i i i i i i i i i 

# 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 21.0 22.0 SEER $6,200 

# T

$5,800
$5,400

,-... fF7

# ~ Q'I 

# o $5,000 U 

# U**~** 

# $4,600
$4,200
$3,800 9.0 10.0 11.0+ •

# .. 6/7/94 

# Life Cycle Costfor3-ton Split System CentralAir Conditioner

-0-- 

# 4% discount rate

- .... 6-- _. 

# 6% discount rate

- ...+- - .. 

# 10% discount rate



# •
, 

# ,+

12.0 13.0 14.0 15.0 16.0 17.0 18.0 

# SEER 19.0 20.0 21.0 22.0

# 6/7/94 

# Life Cycle Cost for 5-ton Split System Central Air Conditioner $9,000 $8,800 $8,600 $8,400

N Al CT 

# $8,200 $8,000 U U "4 $7,800 

# $7,600 $7,400 $7,200 $7,000 

# 6% discount rate



# I 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 SEER $9,000 $8,800 $8,600 $8,400**~** 

# $8,200 N**~ ~**  

# o $8,000 U U**~** 

# $7,800 $7,600 $7,400 $7,200 $7,000 9.0 6/7/94 

# Life Cycle Costfor5-ton Split System CentralAirConditioner



# I

# ~- 6% discountrate 

# I

0 12

14 3 13 4 5 6 8

10.0 11.0 12.0 13.0 14.0 15.0 16.0 

# SEER 17 19 18

17.0 18.0 19.0 20.0

# 6/7/94

$9,400 $9,000 

# $8,600 .$8,200 $7,800 U a 

# $7,400 $7,000 $6,600 A / ^ \&L, A n 

# -d A



# $6,200 1 i I i i i i i i i i I 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 SEER 

# Life Cycle Cost for 5-ton Split System Central Air Conditioner

4% discount rate 6% discount rate 10% discount rate**~**

# ~ $9,400 

# T
$9,000 $8,600

.$8,200

c::7\ 

# C $7,800 U U**~** 

# $7,400 $7,000 $6,600 $6,200 9.0

# ~I

10.0 6/7/94 

# Life Cycle CostforS-ton Split System CentralAirConditioner

--0-- 

# 4% discount rate --6- 

# 6% discount rate 

# • 10% discount rate

11.0 12.0 13.0 ','

, , " ' '/ "," 

# t'<"--'- - -- 

# •

14.0 15.0 16.0 

# SEER 17.0 18.0 19.0 20.06/7/94 

### Life Cycle Costs and Payback Periods of 5-ton, Split System Central Air Conditioner

Level Design Option SEER Manufr Cost Ina.

Manufr Cost Retail

Cost Mark

Up Installed Installation Maintenance Consumer Cost Cost Cost Annual Elec. use Annual

Energy cost Cumul
. Payback Period Lifecycle Costs

(1992$) Cumulative

Cost of Conserved Energy (cents/kWh) Btuh/W (1992$) (1992$) (1992$) (1992$) (1992$) (1992$) kWh/yr (1992$) ears 4% 6% 10% 4% 6% 10% 0 Baseline 10.01 $666.00

- $1833.05 2.752 $1494.33 $46.69 $3374.07 5783 $490 NA $8,824 $8,134 $7,102 NA NA NA 1 0 + Backward Inclined Indoor Blower 10.29 $666.02 $0.02 $1834.12 2.754 $1494.33 $46.69 $3375.14 5625 $477 0.08 $8,676 $8,006 $7,002 0.06 0.07 0.09 2 1 + Evaporator Slit Fins 10.38 $666.23 $0.21 $1836.31 2.756 $1494.33 $46.69 $3377.33 5576 $473 0.19 $8,632 $7,968 $6,972 0.14 0.16 0.21 3 2 + Scroll Compressor: 11.30 EER 11.88 $690.87 $24.64 $1890.16 2.736 $1494.33 $46.69 $3431.18 4871 $413 0.74 $8,022 $7,441 $6,572 0.56 0.65 0.82 4 3 +Time Delay Relay 12.34 $697.37 $6.50 $1905.87 2.733 $1494.33 $46.69 $3446.89 4689 $397 0.79 $7f866 $7,307 $6,470 0.60 0
.69 0.88 5 4 + More Efficient Evaporator PSC Fan Motor (68.5%) 12.65 $707.14 $9.77 $1929.49 2.729 $1494.33 $39.08 $3462.90 4573 $388 0.87 $7,773 $7,227 $6,411 0.66 0.76 0.97 6 5 + Non-BleedThermostatic Expansion Valve 12.97 $714.72 $7.58 $1948.13 2.726 $1494.33 $39.08 $3481.54 4462 $378 0.96 $7,686 $7,154 $6,358 0.73 0.84 1.07 7 6 + More Efficient Condenser PSC Fan Motor (65.0%) 13.09 $721.02 $6.30 $1964.29 2.724 $1494.33 $31.47 $3490.09 4420 $375 1.00 $7,656 $7,129 $6,340 0.77 0.88 1.12 8 7 + Increase Evaporator Fin Density to 14 fpi 13.14 $722.48 $1.46 $1969.55 2.726 $1494.33 $31.47 $3495.35 4405 $373 1.04 $7,647 $7,122 $6,335 0
.79 0.91 1.16 9 8 + Increase Evaporator Face Area to 7.50 sq.ft. 13.53 $739.70 $17.22 $2009.98 2.717 $1504.62 $31.47 $3546.07 4276 $362 1.35 $7,575 $7,066 $6,303 1 .03 1.18 1.50 10 9 + Condenser Grooved Tubes 13.69 $756.52 $16.82 $2051.87 2.712 $1504.62 $31.47 $3587.96 4226 $358 1.62 $7,570 $7,067 $6,312 1.24 1.41 1.81 11 10 + Increase Condenser Face Area to 27.60 sq.ft. 13.95 $788.74 $32.22 $2128.62 2.699 $1535.49 $31.47 $3695.58 4148 $352 2.32 $7,605 $7,110 $6,370 1.77 2.03 2.59 12 11 + Increase Condenser Face Area to 36.50 sq.ft. 14.22 $850.40 $61.66 $2274.73 2.675 $1595.21 $31.47 $3901.41 4069 $345 3.63 $7,736 $7,251 $6,525 2.77 3.17 4.05 13 12 + Evaporator ECM Fan Motor 14.84 $1,030.66 $180.26 $2695.83 2.616 $1595.21 $47.09 $4338.13 3899 $330 6.04 $8,012 $7,548 $6,852 4.60 5.27 6.73 14 13 + Electronic Expansion Valve 15.04 $1,106.83 $76.17 $2880.06 2.602 $1595.21 $56.07 $4531.34 3847 $326 7.05 $8,157 $7,698 $7,011 5.38 6
.16 7.86 15 14 + Condenser ECM Fan Motor 15.11 $1,179.53 $72.70 $3056.88 2.592 $1595.21 $63.68 $4715.77 3830 $325 8.11 $8,325 $7,869 $7,185 6.18 7.07 9.03 16 + TWO-Speed Recip-Compressor System 15 16.76 $1,368.28 $188.75 $3496.03 2.555 $1595.21 $80.54 $5171.78 3452 $293 9.10 $8,425 $8,013 $7,397 6.94 7,94 10.14 17 15 + Variable-Speed Recip-Compressor System P.., 17.6 $1,779.53 $600.00 $4452.32 2.502 $1595.21 $132.24 $6179.77 3275 $278 13.20 $9,267 $8,876 $8,291 10.06 11 .52 14.71 18 15 + Two-Speed Scroll Compressor System ( 

### .Z; $1,679.53 $500.00 $4261.19 2.537 $1595.21 $127.87 $5984.27 3400 $288 12.92 $9,188 $8,783 $8,176 9
.85 11.28 14.40 19 15 + Variable- Speed Scroll-Com ressor System 19.62 $1,829.53 $650.00 $4632.72 2.532 $1595.21 $134.43 $6362.36 2949 $250 12.44 $9,141 $8,790 $8,263 9.48 10.86 13.86 Assumptions: 1 Electricity cost= 0.085 $/kWh (average cost in 1999 obtained from an interpolation of the 1995 and 2000 prices of electricity forecast in DOE'S Annual Energy Outlook 1993, inflated to 1992 dollars). The interpolated value for 1999 is 0.082 $/kWh (1991$) or 0.085 after adjusting for inflation from 1991 to 1992. The electricity price enduse factor for CAC is 1.0 (no adjustment). 2 Lifetime = 15 years. 3 Baseline unit includes: Evaporator: 6.00 sq.ft., 13 fins/inch, Wavy Fins, 4 tube rows, Groove Tubes Condenser: 23.00 sq.ft., 20 fins/inch, Slit Fins, 2 tube rows, Smooth Tubes Compressor: Reciprocating, 10.49 EER (nominal); Accumulator Evaporator Fan Motor: PSC, 58.5% efficient Condenser Fan Motor: PSC, 55.0% efficient Enhancement Devices: None 4 Non

-Bleed Thermostatic Expansion Valve replaces the need for a Time Delay Relay. 5 Maximum Sensible Heat Ratio = 76.5% 6 Evaporator ECM Fan Motor is modulated
. Cost of fan motor includes electronic modulating controls. 7 Condenser ECM Fan Motor is run at a single speed. 

### Life Cycle Costs and PaybackPeriodsofS-ton, SpiltSystem CentralAirConditioner

Incr. Installed Annual Annual Cumul. LifecycleCosts SEER Manufr Manufr Retail Mark Installation Maintenance Consumer Elec. Energy Payback Level Design Option Cost Cost Cost Up Cost Cost Cost use cost Period (1992$) Btuh/W (1992$) (1992$) (1992$) (1992$) (1992$) (1992$) kWh/yr (19925) (years) 4% 6% 10% 0 Baseline 10.01 $666.00 

# - $1833.05 2.752 $1494.33 $46.69 $3374.07 5783 $490 NA $8,824 $8,134 $7,102 1 0+ Backward Inclined Indoor Blower 10.29 $666.02 $0.02 $1834.12 2.754 $1494.33 $46.69 $3375.14 5625 5477 0.08 $8,676 $8,006 $7,002 2 1

### +EvaporatorSlit Fins to.38 $666.23 $0.21 $1836.31 2.756 $1494.33 $46.69 $3377.33 5576 $473 0.19 $8,632 $7,%8 $6,972 3 2

### +Scroll Compressor: 11.30EER 11.88 $690.87 $24.64 $1890.16 2.736 $1494.33 $46.69 $3431.18 4871 $413 0.74 $8,022 $7,441 $6,572 4 3 

### +Time Delay Relay 12.34 $697.37 $6.50 51905.87 2.733 $1494.33 $46.69 $3446.89 4689 $397 0.79**$7~866** 

### 57,307 $6,470 5 4

### +MoreEfficient Evaporator PSC Fan Motor (68.5%) 12.65 $707.14 $9.77 $1929.49 2.729 $1494.33 $39.08

- $3462.90 4573 53!!!! 0.87 $7,773 $7,227 $6,411 6 5 

### +Non-BleedThermostaticExpansion Valve 12.97 $714.72 57.58 $1948.13 2.726 $1494.33 $39.08 $3481.54 4462 $378 0.% $7,686 $7,154 $6,358 7 6 

### +More Efficient Condenser PSC Fan Motor (65.0%) 13.09 $721.02 $6.30 $1%4.29 2.724 $1494.33 $31.47 $3490.09 4420 $375 1.00 57,656 $7,129 $6,340 8 7 

### +IncreaseEvaporator Fin Density to 14 fpi 13.14 $722.48 $1.46 $1%9.55 2.726 $1494.33 $31.47 $3495.35 4405 $373 1.04 $7,647 $7,122 $6,335 9 8 

### +IncreaseEvaporator Face Area to7.50sq.ft. 13.53 $739.70 $17.22 $,2009.98 2.717 $1504.62 $31.47 $3546.07 4276 $362 1.35 $7,575 $7,066 $6,303 10 9 

### +CondenserGrooved Tubes 13.69 S756.52 $16.82 S2051.87 2.712 $1504.62 $31.47 $3587.96 4226 $358 1.62 $7,570 $7,067 $6,312 

### 11 10

### +Increase Condenser FaceArea to 27.60sq.ft. 13.95 $788.74 $32.22 $2128.62 2.699 $1535.49 $31.47 $3695.58 4148 $352 2.32 $7,605 $7,1to $6,370 12 11 

### +IncreaseCondenser FaceArea to 36.50sq.ft. 14.22 $850.40 $61.66 $2274.73 2.675 51595.21 $31.47 $3901.41 4069 $345 3.63 $7,736 $7,251 56,525 13 12

### +Evaporator ECM Fan Motor 14.84 $1,030.66 $180.26 52695.83 2.616 $1595.21 $47.09 $4338.13 3899 $330 6.04 58,012 57,548 $6,852 14 13 

### +ElectronicExpansion Valve 15.04 51,106.83 $76.17 $2880.06 2.602 $1595.21 $56.07 $4531.34 3847 $326 7.05 58,157 57,698 $7,011 15 14

### +CondenserECM Fan Motor 15.11 51,179.53 572.70 $3056.88 2.592 $1595.21 $63.68 $4715.77 3830 $325 8.11 $8,325 $7,869 $7,185 16 15

### +Two-Speed Recip-CompressorSystem 16.76 51,368.28 $188.75 $34%.03 2.555 $1595.21 $80.54 $5171.78 3452 5293 9.10 $8,425 58,013 $7,397 17 15 

### +Variable-Speed Recip-CompressorSystem 

# ?

# ~ $1,779.53 5600.00 $4452.32 2.502 $1595.21 $132.24 $6179.77 3275 $278 13.20 $9,267 $8,876 58,291 18 15 

### +Two-Speed Scroll-Compressor System 

# It.fz $1,679.53 $500.00 $4261.19 2.537 $1595.21 $127.87 $5984.27 3400 $288 12.92 $9,188 $8,783 $8,176 19 15 

### +Variable-Speed Scroll-CompressorSystem 

# ( $1,829.53 $650.00 $4632.72 2.532 $1595.21 $134.43 $6362.36 2949 $250 12.44 $9,141 $8,790 $8,263 

# \ Assumptjons:

1 Electricity cost

# = 0.085 $/kWh (average cost in 1999 obtained from an interpolation ofthe 1995 and 2000pricesofelectricity forecast in DOE's Annual Energy Outlook 1993,inflated to 1992dollars).Theinterpolatedvalue for 1999 is 0.082 $/kWh (1991$) or 0.085 after adjustingfor inflation from 1991 to 1992.The electricity price enduse factor for CAC is 1.0(no adjustment). 2 Ufetime

# =15years. 3 Baselineunitincludes: Evaporator: 6.00sq.ft., 13fins/inch, Wavy Fins, 4 tuberows, GrooveTubes Condenser: 23.00 sq.ft., 20fins/inch, Slit Fins, 2 tuberows, Smooth Tubes Compressor: Reciprocating, 10.49EER(nominal);Accumulator EvaporatorFanMotor: PSC,58.5% efficient CondenserFan Motor: PSC, 55.0% efficient Enhancement Devices: None 4 Non-BleedThermostaticExpansion Valve replaces the need for aTime Delay Relay. 5 Maximum Sensible Heat Ratio

# = 76.5% 6 Evaporator ECM Fan Motor is modulated. Cost offan motor includes electronic modulatingcontrols. 7 CondenserECM Fan Motorisrun at a single speed. 6/7/94



### Cumulative Cost ofConserved Energy (cents/kWh) 4% 6% 10% NA NA NA 0.06 0.07 0.09 0.14 0.16 0.21 0.56 0.65 0.82 0.60 0.69 0.88 0.66 0.76 0.97 0.73 0.84 1.07 0.77 0.88 1.12 0.79 0.91 1.16 1.03 1.18 1.50 1.24 l.4i 1.81 1.77 2.03 2.59 2.77 3.17 4.05 4.60 5.27 6.73 5.38 6.16 7.86 6.18 7.07 9.03 6.94 7.94 10.14 10.06 11.52 14.71 9.85 11.28 14.40 9.48 10.86 13.86

# 6/7/94 

# Life Cycle Cost for 3-ton Split System

Central Heat Pump $12,500



# $12,000

$10,500



# $10,000 i } 15

9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 21.0 SEER 

# $12,500 0

$12,000
6 $11,500**~** 

# 7**~** 

# =-. =-. ,....j 

# -- U U

# ~ $11,000 9
$10,500

$10,000 9.0 10.0 11.0 12.0 6/7/94 

# Life Cycle Costfor3-ton Split System CentralHeatPump



# 6% discountrate

10 

# 11 

# 12 20 13 19 17 15 13.0 14.0 15.0 16.0 17.0 

# SEER 22 23 24

18.0 19.0 20.0 21.0

# 6/7/94 

# Life Cycle Cost for 3

-ton Split System

Central Heat Pump $14,000 $13,500 $13,000 $12,500 $12,000

$10,500 $10,000 $9,500 $9,000 $8,500 A

-® 

# - 4% discount rate - 6% discount rate 10% discount rate

9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 SEER ,O



# 17.0 18.0 19.0 20.0 21.0 

# $14,000 $13,500 $13,000 $12,500 $12,000**~**

## ~ 

# $11,500 <.:l'I


# ..... 

# -- U 

# $11,000 U**~** 

# $10,500 $10,000

$9,500 $9,000 $8,500 9.0 10.0 11.0 12.0 6/7/94 

# Life Cycle Costfor3-ton Split System CentralHeatPump**~** 

# 4% discount rate

- -6. - - 

# 6% discountrate

- -+- - - - 

# 10% discountrate

, ,



# 13.0 14.0 15.0 16.0 17.0 

# SEER - -+



# 18.0 19.0 20.0 21.0

### 6/7/94 Life Cycle Costs and Payback Periods of 3-ton, Split System Central Air Conditioner

Level Design Option SEER Manufr Cost Incr.

Manufr Cost Retail

Cost Mark

Up Installed Installation Maintenance Consumer Cost Cost Cost Annual Elec. use Annual

Energy cast Cumul. Payback Period Lifecycle Costs

(1992$) Cumulative

Cost of Conserved Energy (cents/kWh) Btuh/W 1992$ (1992$) (1992$) (1992$) 1992$ (1992$) kWh/yr (1992$) ears 4% 6% 10% 4% 6% 10% 0 Baseline 10.00 $474.00

- $1,142.32 2.410 $972.71 $46.69 $2161.72 3427 $290 NA $5,392 $4,983 $4,371 NA NA NA 1 0 + Backward Inclined Indoor Blower 10.28 $474.04 $0.04 $1,143.33 2.412 $972.71 $46.69 $2162.73 3337 $283 0.13 55,308 $4,910 $4,314 0.10 0.12 0.15 2 1 + Evaporator Slit Fins 10.40 $474.13 $0.09 $1,144.90 2.415 $972.71 $46.69 $2164.30 3297 $279 0.23 $5,271 $4,878 $4,290 0.18 0.20 0.26 3 2+ Reciprocating Compressor: 10.91 EER 11.34 $481.51 $7.38 $1,158.88 2.407 $972.71 $46.69 $2178.28 3025 $256 0.49 $5,029 $4,668 $4,128 0.37 0.42 0.54 4 3 + More Efficient Condenser PSC Fan Motor (65.0%) 11.47 $486.46 $4.95 $1,170.23 2.406 $972.71 $39.08 $2182.02 2990 $253 0.55 $5,000 $4,643 $4,110 0.42 0.48 0.61 5 4 + More Efficient Evaporator PSC Fan Motor (68.5%) 11.73 $493.68 $7.22 $1,185.81 2.402 $972.71 $31.47 $2189.99 2922 $248 0.66 $4,944 $4,596 $4,074 0.50 0.58 0.74 6 5 + Time Delay Relay 12
.18 $500.18 $6.50 $1,199.59 2.398 $972.71 $31.47 $2203.77 2815 $239 0.81 $4,857 $4,521 $4,019 0.62 0.71 0.90 7 6 + Condenser Grooved Tubes 12.62 $506.13 $5.95 $1,212.33 2.395 $972.71 $31.47 $2216.51 2716 $230 0.91 $4,776 $4,452 $3,968 0.69 0.79 1.01 8 7 + Increase Evaporator Fin Densi 12,68 $506.88 $0.75 $1,215.50 2.398 $972.71 $31.47 $2219.68 2704 $229 0.95 $4,768 $4,446 $3,963 0.72 0.83 1.05 9 8 + Scroll Compressor: 11.50 EERiBleed TXV 13.51 $543.29 $36.41 $1,288.56 2.372 $972.71 $31.47 $2292.74 2538 $215 1.74 $4,684 $4,382 $3,929 1.32 1.52 1.94 10 9 + Increase Evaporator Face Area to 6..ft. 14.40 $565.51 $22.22 $1,332.25 2.356 $989.69 $31.47 $2353.41 2381 $202 2.16 $4,598 $4,314 $3,889 1.65 1.89 2.41 11 10 + Increase Condenser Face Area to 18.03 sq.ft. 15.19 $586.24 $20.73 $1,373.53 2.343 $1024.25 $31.47 $2429.25 2257 $191 2.70 $4,556 $4,287 $3,884 2.06 2.35 3.01 12 11 + Increase Evaporator Face Area to 7.50 sq.ft. 15.37 $594.35 $8.11 $1,392.17 2.342 $1030.42 $31.47 $2454.06 2230 $189 2.88 $4,556 $4,290 $3,892 2.20 2.51 3.21 13 12 + Increase Condenser Face Area to 28.33 sq.ft. 15.82 $635.95 $41.60 $1,475.33 2.320 $1099.53 $31.47 $2606.33 2167 $184 4.16 $4,649 $4,391 $4,004 3.17 3.63 4.64 14 13 + Evaporator ECM Fan Motor 16.40 $777.26 $141.31 $1,761.91 2.267 $1099.53 $47.09 $2908.53 2091 $177 6.59 $4,879 $4,630 $4,256 5.03 5.75 7.35 15 14 + Electronic Expansion Valve 16.60 $853.43 $76.17 $1,918.71 2.248 $1099.53 $56.07 $3074.31 2066 $175 7.91 $5,021 $4,775 $4,406 6.03 6.90 8.81 16 15 + Condenser ECM Fan Motor 16.75 $919.98 $66.55 $2,056.58 2.235 $1099.53 $63.68 $3219.79 2047 $173 9.04 $5,149 $4,905 $4,539 6.89 7.89 10.08 17 16 + Two-Speed Recip-Compressor System 18.20 $1,100.67 $180.69 $2,416.75 2.196 $1099.53 $76.66 $3592.94 1884 $160 10.94 $5,368 $5,144 $4,808 8.34 9.55 12.19 18 16 + Variable-Speed Recip-Compressor System 18.58 $1,511.92 $591.94 $3,235.90 2.140 $1099.53 $120.59 $4456.02 1846 $156 17.11 $6,195 $5,975 $5,646 13.05 14.93 19.07 19 16 +TwoSpeed Scroll-Compressor System 18.91 $1,411.92 $491.94 $3,051.09 2.161 $1099.53 $116.22 $4266.84 1814 $154 15.39 $5,976 $5,760 $5,436 11.73 13.43 17.15 20 16 + Variable- Speed Scroll-Compressor System 21.18 $1,561.92 $641.94 $3,357.10 2.149 $1099.53 $122.78 $4579.41 1619 $137 15.77 $6,105 $5,912 $5,623 12.02 13.76 17.58 Assumptions: 1 Electricity cost= 0.085 $/kWh (average cost in 1999 obtained from an interpolation of the 1995 and 2000 prices of electricity forecast in DOE's Annual Energy Outlook 1993, inflated to 1992 dollars). The interpolated value for 1999 is 0.082 $/kWh (1991$) or 0.085 after adjusting for inflation from 1991 to 1992. The electricity price enduse factor for CAC is 1.0 (no adjustment). 2 Lifetime = 15 years. 3 Baseline unit includes: Evaporator: 4.13 sq.ft., 13 fins/inch, Wavy Fins, 3 tube rows, Groove Tubes Condenser: 12.88 sq.ft., 20 fins/inch, Slit Fins, 1 tube row, Smooth Tubes Compressor: Reciprocating, 10.20 EER (nominal) Evaporator Fan Motor: PSC, 58.5% efficient Condenser Fan Motor: PSC, 55.0% efficient Enhancement Devices: None 4 Non-Bleed Thermostatic Expansion Valve replaces the need for a Time Delay Relay 5 Maximum Sensible Heat Ratio = 76.5% 6 Evaporator ECM Fan Motor is modulated. Cost of fan motor includes electronic modulating controls. 7 Condenser ECM Fan Motor is run at a single speed. 

### Life Cycle Costs andPaybackPeriods of3-ton, SplitSystem CentralAirConditioner
Incr. Installed Annual Annual Cumu!. Lifecycle Costs SEER Manufr Manufr Retail Mark Installation Maintenance Consumer Elec. Energy Payback Level Design Option Cost Cost Cost Up Cost Cost Cost use cost Period (1992$) BtuhIW (1992$) (1992$) (1992$) (1992$) (1992$) (1992$) kWh/yr (1992$) (years) 4% 6% 10% 0 Baseline 10.00 $474.00 

# - $1,142.32 2.410 $972.71 $46.69 $2161.72 3427 $290 NA $5,392 $4,983 $4,371 1 

# o+Backward Inclined IndoorBlower 10.28 $474.04 $0.04 $1,143.33 2.412 $972.71 $46.69 $2162.73 3337 $283 0.13 $5,308 $4,910 $4,314 2 1

### +Evaporator Slit Fins 10.40 $474.13 $0.09 $1,144.90 2.415 $972.71 $46.69 $2164.30 3297 $279 0.23 $5,271 $4,878 $4,290 3 2

### +Reciprocating Compressor: 10.91 EER 11.34 $481.51 $7.38 $1,158.88 2.407 $972.71 $46.69 $2178.28 3025 $256 0.49 $5,029 $4,668 $4,128 4 3 

### +More Efficient CondenserPSCFan Motor (65.0%) 11.47 S486.46 $4.95 $1,170.23 2.406 $972.71 S39.08 $2182.02 2990 $253 0.55 $5,000 $4,643 $4,110 5 4

### +MoreEfficient Evaporator PSCFan Motor (68.5%) 11.73 $493.68 $7.22 $1,185.81 2.402 $972.71 $31.47 $2189.99 2922 $248 0.66 $4,944 $4,5% $4,074 6 5 

### +Time Delay Relay 12.18 $500.18 $6.50 $1,199.59 2.398 S972.71 $31.47 $2203.77 2815 $239 0.81 $4,857 $4,521 $4,019 7 6 

### +CondenserGroovedTubes 12.62 $506.13 $5.95 SI,212.33 2.395 $972.71 $31.47 $2216.51 2716 $230 0.91 $4,776 $4,452 $3,%8 8 7 

### +IncreaseEvaporatorFin Densitv to. !Lfn; 

### 12.68 S506.88 SO.75 $1,215.50 2.398 $972.71 $31.47 S2219.68 2704 $229 0.95 $4,768 $4,446 $3,%3 9 8 

### +Scroll Compressor: 11.50

## EER:'/~-BI;~ 13.51 S543.29 $36.41 SI,288.56 2.372 $972.71 $31.47 $2292.74 2538 $215 1.74 $4,684 $4,382 $3,929 10 9 

### +IncreaseEvaporatorFaceArea to 6.bOS<j.ft. 14.40 $565.51 $22.22 $1,332.25 2.356 $989.69 $31.47 $2353.41 2381 $202 2.16 $4,598 $4,314 $3,889 

### 11 10

### +IncreaseCondenser FaceArea to 18.03 sq.ft. 15.19 $586.24 $20.73 $1,373.53 2.343 $1024.25 $31.47 $2429.25 2257 $191 2.70 $4,556 $4,287 $3,884 12 11 

### +IncreaseEvaporator Face Area to 7.50sq.ft. 15.37 $594.35 $8.11 $1,392.17 2.342 $1030.42 $31.47 $2454.06 2230 $189 2.88 $4,556 $4,290 $3,892 13 12

### +Increase Condenser FaceArea to 28.33 sq.ft. 15.82 $635.95 S41.60 $1,475.33 2.320 $1099.53 $31.47 $2606.33 2167 $184 4.16 $4,649 $4,391 $4,004 14 13 

### +EvaporatorECM Fan Motor 16.40 $777.26 $141.31 $1,761.91 2.267 $1099.53 $47.09 $2908.53 2091 $177 6.59 $4,879 $4,630 $4,256 15 14

### +ElectronicExpansionValve 16.60 $853.43 $76.17 $1,918.71 2.248 $1099.53 $56.07 $3074.31 2066 $175 7.91 $5,021 $4,775 $4,406 16 15 

### +Condenser ECM Fan Motor 16.75 $919.98 $66.55 $2,056.58 2.235 $1099.53 $63.68 S3219.79 2047 S173 9.04 $5,149 $4,905 $4,539 17 16 

### +Two-Speed Recip-Compressor System 18.20 $1,100.67 $180.69 $2,416.75 2.1% $1099.53 $76.66 $3592.94 1884 S160 10.94 $5,368 $5,144 $4,808 18 16 

### +Variable-Speed Recip-Compressor System 18.58 $1,511.92 $591.94 $3,235.90 2.140 $Hi99.53 $120.59 $4456.02 1846 $156 17.11 $6,195 $5,975 $5,646 19 16 

### +Two-Speed Scroll-CompressorSystem 18.91 $1,411.92 $491.94 $3,051.09 2.161 $1099.53 $116.22 $4266.84 1814 $154 15.39 S5,976 S5,760 $5,436 20 16 

### +Variable-Speed Scroll-CompressorSystem 21.18 $1,561.92 $641.94 $3,357.10 2.149 $1099.53 $122.78 $4579.41 1619 $137 15.77 $6,105 $5,912 $5,623
A5sumptions:

1 Electricity cost

# = 0.085 $/kWh (average cost in 1999obtained from an interpolation ofthe 1995 and 2000prices ofelectricity forecast in DOE'sAnnual Energy Outlook 1993, inflated to 1992dollars). The interpolatedvalue for 1999is0.082 $(KWh (1991$) or0.085 afteradjustingfor inflation from 1991 to 1992.Theelectricity price enduse factor for CACis 1.0(noadjustment). 2 Lifetime

# =15years. 3 Baselineunit includes: Evaporator: 4.13 sq.ft., 13fins/incb, Wavy Fins, 3 tube rows, GrooveTubes Condenser: 12.88 sq.ft., 20fins/inch, Slit Fins, 1tuberow, SmoothTubes Compressor: Reciprocating, 10.20EER (nominal) Evaporator Fan Motor: PSC,58.5% efficient CondenserFan Motor: PSC, 55.0% efficient Enhancement Devices: None 4 Non-BleedThermostaticExpansion Valvereplaces the need for aTimeDelay Relay 5 Maximum SensibleHeat Ratio

# = 76.5% 6 EvaporatorECM Fan Motoris modulated. Cost offan motor includes electronicmodulatingcontrols. 7 CondenserECM Fan Motor is run at a single speed. 6/7/94

Cumulative CostofConserved Energy (cents/lcWh) 4% 6% 10% NA NA NA 0.10 0.12 0.15 0.18 0.20 0.26 0.37 0.42 0.54 0.42 0.48 0.61 0.50 0.58 0.74 0.62 0.71 0.90 0.69 0.79 1.01 0.72 0.83 1.05 1.32 1.52 1.94 1.65 1.89 2.41 2.06 2.35 3.01 2.20 2.51 3.21 3.17 3.63 4.64 5.03 5.75 7.35 6.03 6.90 8.81 6.89 7.89 10.08 8.34 9.55 12.19 13.05 14.93 19.07 11.73 13.43 17.15 12.02 13.76 17.58

# 6/7/94 

# Life Cycle Cost for 5-ton Split System

Central Heat Pump $20,000 $19,500
$19,000


# N $18,500
ON 

# U *U $18,000 0



# 20 $17,500
$17,000 

# $16,500 ' i I I I



# 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 SEER 

# $20,000 

# o $19,500 

# \**~2** 3 $19,000**~** 

# $18,500 Q\ Q\ .-I 

### '-" 

## U

# ~ $18,000
$17,500
$17,000
$16,500 9.0 10.0 11.0 6/7/94 

# Life Cycle Costfor 5-ton Split System CentralHeatPump

4
7

12.0 13.0 14.0 15.0 16.0 

# SEER 18 19 20

17.0 18.0 19.0 20.0

# 6/7/94 

# Life Cycle Cost for 5

-ton Split System

Central Heat Pump $22,500 $21,500 $20,500 $19,500 11-1 a $18,500 Cs U $17,500 

# $16,500 $15,500 $14,500 o---oo--_o4o $13,500 1 ' ' i i i I q- 4% discount rate - - 6% discount rate - - .. 10% discount rate



# 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 SEER $22,500 $21,500 $20,500 $19,500

,.-... fA.

## ~ 

# $18,500 Q\ "...j '-' 

# U 

# $17,500 U**~** 

# $16,500 

# .. $15,500 $14,500 $13,500 9.0 10.0 11.0 6/7/94 

# Life Cycle Costfor5-ton Split System CentralHeatPump

-0----- 

# 4% discountrate

- - 6.
- - 

# 6% discountrate

- - --.- - - - 10% discountrate ---------------------------------'

1..----

## _-----------------·---0



# --.

..-- 

# .---A..A.
.... ..........- - -

# ......
12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 

# SEER6/7/94 

### Life Cycle Costs and Payback Periods of 3-ton, Single Package System Central Air Conditioner

Level Design Option SEER Manufr Cost Incr.

Manufr Cost Retail

Cost Mark

Up Installed Installation Maintenance Consumer Cost Cost cost Annual Elec. use Annual

Energy cost Cumul. Payback Period Lifecycle Costs

(1992$) Cumulative

Cost of Conserved Energy (cents/kWh) Btuh/W (1992$) (1992$) (1992$) 1992$ (1992$) 1992$ kWh/yr 1992$ ears 4% 6% 10% 4% 6% 10% 0 Baseline 9.70 $474.00

- $919.59 1.940 $1968.37 $46.69 $2934.65 3533 $299 NA $6,264 $5,843 $5,213 NA NA NA 1 0 + Backward Inclined Indoor Blower 9.97 $474.04 $0.04 $920.39 1.942 $1968.37 $46.69 $2935.45 3440 $292 0.10 $6,177 $5,767 $5,153 0.08 0.09 0.11 2 1 + Evaporator Slit Fins 10.09 $474.13 $0.09 $921.66 1.944 $1968.37 $46.69 $2936.72 3399 $288 0.18 $6,140 $5,734 $5,128 0.14 0.16 0.20 3 2 + Reciprocating Compressor: 10.91 EER 11.00 $481.51 $7.38 $932.92 1.937 $1968.37 $46.69 $2947.98 3118 $264 0.38 $5,887 $5,515 $4,958 0.29 0.33 0.42 4 3 + More Efficient Condenser PSC Fan Motor (65.0%) 11.12 $486.46 $4.95 $942.05 1.937 $1968.37 $39.08 $2949.50 3083 $261 0.39 $5,t§54 $5,487 $4,937 0.30 0.34 0.43 5 4 + More Efficient Evaporator PSC Fan Motor (68.5%) 11.38 $493.68 $7.22 $954.60 1.934 $1968.37 $31.47 .$2954.44 3013 $255 0.45 $5,793 $5,434 $4,897 0.34 0.39 0.50 6 5 +Time Delay Relay 11.81 $500.18 $6.50 $965.69 1.931 $1968.37 $31.47 $2965.53 2902 $246 0.58 $5,701 $5,355 $4,837 0.44 0.50 0.64 7 6 + Condenser Grooved Tubes 12.25 $506.13 $5.95 $975.95 1.928 $1968.37 $31.47 $2975.79 2800 $237 0.66 $5,615 $5,281 $4,781 0.50 0.58 0.74 8 7 + Increase Evaporator Fin Density to 14 fpl 12.30 $506.88 $0.75 $978.49 1.930 $1968.37 $31.47 $2978.33 2788 $236 0.69 $5,606 $5,273 $4,776 0.53 0.60 0.77 9 8 + Scroll Compressor: 11.50 EER / Non-Bleed TXV 13.11 $543.29 $36.41 $1037.31 1.909 $1968.37 $31.47 $3037.15 2616 $222 1.32 $5,503 $5,191 $4,724 1.01 1.15 1.47 10 9 + Increase Evaporator Face Area to 6.60 sq.ft. 13.97 $565.51 $22.22 $1077.44 I .1X)5 $1985.35 $31.47 $3094.26 2455 $208 1.75 $5,408 $5,115 $4,677 1 .33 1.52 1.95 11 10 + Increase Condenser Face Area to 18.03 sq.ft. 14.74 $586.24 $20.73 $1121.90 1.914 $2019.91 $31.47 $3173.28 2327 $197 2.33 $5,366 $5,089 $4,673 1.78 2.04 2.60 12 11 + Increase Evaporator Face Area to 7.50 sq.ft. 14.91 $594.35 $8.11 $1149.95 1.935 $2026.08 $31.47 $3207.50 2299 $195 2.61 $5,374 $5,100 $4,690 1.99 2.28 2.91 13 12+ Increase Condenser Face Area to 28.33 sq.ft. 15.35 $635.95 $41.60 $1242.55 1.954 $2095.19 $31.47 $3369.21 2234 $189 3.95 $5,475 $5,209 $4,810 3.01 3
.44 4.40 14 13 + Evaporator ECM Fan Motor 15.91 $777.26 $141.31 $1499.69 1.929 $2095.19 $47.09 $3641.97 2155 $183 6.06 $5,673 $5,416 $5,032 4.62 5.29 6.75 15 14 + Electronic Expansion Valve 16.10 $853.43 $76.17 $1653.14 1.937 $2095.19 $56.07 $3804.40 2129 $180 7.31 $5,811 $5,557 $5,177 5.57 6.38 8.15 16 15 + CondenserECM Fan Motor 16.25 $919.98 $66.55 $1791.34 1.947 $2095.19 $63.68 $3950.21 2109 $179 8.41 $5,938 $5,687 $5,310 6.41 7
.34 9.38 17 16 + Two-Speed Recip-Compressor System 17.66 $1,100.67 $180.69 $2130.34 1.935 $2095.19 $76.66 $4302.19 1942 $165 10.14 $6,132 $5,901 $5,554 7.73 8.85 11.30 18 16 + Variable-Speed Recip-Compressor System 18.03 $1,511.92 $591.94 $2888.51 1.910 $2095.19 $120.59 $5104.29 1902 $161 15.69 $6,897 $6,670 $6,331 11.96 13.69 17.49 19 16+Two-Speed Scroll-Compressor System 18.35 $1,411.92 $491.94 $2826.41 2.002 $2095.19 $116.22 $5037.82 1869 $158 14.91 $6,799 $6,576 $6,243 11.37 13.01 16.61 20 16 + Variable- Speed Scroll-Compressor System 20.55 $1,561.92 $641.94 $3177.53 2.034 $2095.19 $122.78 $5395.50 1668 $141 15.57 $6,968 $6,769 $6,471 11.87 13.59 17.35 Assumptions: 1 Electricity cost = 0.085 $/kWh (average cost in 1999 obtained from an interpolation of the 1995 and 2000 prices of electricity forecast in DOE's Annual Energy Outlook 1993, inflated to 1992 dollars). The interpolated value for 1999 is 0.082 $/kWh (1991$) or 0.085 after adjusting for inflation from 1991 to 1992. The electricity price enduse factor for CAC is 1.0 (no adjustment). 2 Lifetime = 15 years. 3 Baseline unit includes: Evaporator: 4.13 sq.ft.,13 fins/inch, Wavy Fins, 3 tube rows, Groove Tubes Condenser: 12.88 sq.ft., 20 fins/inch, Slit Fins,1 tube row, Smooth Tubes Compressor: Reciprocating, 10.20 EER (nominal) Evaporator Fan Motor: PSC, 58.5% efficient Condenser Fan Motor: PSC, 55.0% efficient Enhancement Devices: None 4 Non-Bleed Thermostatic Expansion Valve replaces the need for a Time Delay Relay 5 Maximum Sensible Heat Ratio = 76.5% 6 Evaporator ECM Fan Motor is modulated. Cost of fan motor includes electronic modulating controls. 7 Condenser ECM Fan Motor is run at a single speed. 

# - Life Cycle Costs and PaybackPeriods of3-ton,SinglePackageSystem CentralAirConditioner
Incr. Installed Annual Annual Cumul. LifecycleCosts SEER Manurr Manurr Retail Mark Installation Maintenance Consumer Elec. Energy Payback Level Design Option Cost Cost Cost Up Cost Cost Cost use cost Period (1992$) 

### Btuh/W (1992$) (1992$) (1992$) (1992$) (1992$) (1992$) 

### kWh/yr (1992$) 

### (years) 4% 6% 10% 0 

### Baseline 9.70 $474.00 

# - $919.59 1.940 SI968.37 $46.69 $2934.65 3533 $299 

### NA $6,264 $5,843 $5,213 1 

# o+

### Backward Inclined Indoor Blower 9.97 $474.04 $0.04 $920.39 1.942 $1968.37 $46.69 $2935.45 3440 $292 0.10 $6,177 $5,767 $5,153 2 1

### +

### EvaporatorSlitFins 10.09 $474.13 $0.09 $921.66 1.944 $1968.37 $46.69 $2936.72 3399 $288 0.18 $6,140 $5,734 $5,128 3 2 

### +

### ReciprocatingCompres..or: 10.91 

### EER 11.00 $481.51 $7.38 $932.92 1.937 $1968.37 $46.69 $2947.98 3118 $264 0.38 $5,887 $5,515 $4,958 4 3 

### +

### More Efficient Condenser PSC Fan Motor (65.0%) 11.12 $486.46 $4.95 $942.05 1.937 $1968.37 $39.08 $2949.50 3083 $261 0.39**$5,~54** 

### $5,487 $4,937 5 4 

### +

### MoreEfficientEvaporator PSC Fan Motor (68.5%) 11.38 $493.68 $7.22 $954.60 1.934 $1968.37 $31.47 -$2954.44 3013 $255 0.45 $5,793 $5,434 $4,897 6 5 

### +

### Time Delay Relay 11.81 $500.18 $6.50 $965.69 1.931 $1968.37 $31.47 $2965.53 2902 $246 0.58 $5,701 $5,355 $4,837 7 6 

### +

### CondenserGroovedTubes 12.25 $506.13 $5.95 $975.95 1.928 $1968.37 $31.47 $2975.79 2800 $237 0.66 $5,615 $5,281 $4,781 8 7 

### +

### Increase Evaporalor Fin Denslly 10 14 

### (pi 12.30 $S06.1l1l SO.75 S'J71l.4'J 1.'130 SI%8.37 $31.47 $2'J71l.33 271l!! $236 (l.II'1 S5,6(J6 $5,273 S4,776 9 8 

### +

### Scroll Compressor: 11.50

### EER/ Non-BleedTXV 13.11 $543.29 $36.41 $1037.31 1.909 $1968.37 $31.47 $3037.15 2616 S222 1.32 $5,503 $5,191 $4,724 10 9 t 

### Increa8c Evaporator Face Arca 106.60

### sq.fl. 13.97 $565.51 $22.22 $1077.44 1.905 $1985.35 $31.47 $3094.26 2455 $208 1.75 $5,40B $5,115 $4,677 

### 11 10

### +

### Increase CondenserFaceArea to 18.03

### sq.fL 14.74 $586.24 $20.73 $1121.90 1.914 $2019.91 $31.47 $3173.28 2327 $197 2.33 $5,366 $5,089 $4,673 12 11 

### +

### IncreaseEvaporatorFaceArea to 7.50

### sq.ft. 14.91 $594.35 $8.11 $1149.95 1.935 $2026.08 $31.47 $3207.50 2299 $195 2.61 $5,374 $5,100 $4,690 

### 13 12

### +

### Increase CondenserFace Area 1028.33

### sq.ft. 15.35 $635.95 $41.60 $1242.55 1.954 $2095.19 $31.47 $3369.21 2234 $189 3.95 $5,475 $5,209 S4,810 14 

### 13 

### +

### EvaporalorECM Fan Molor 15.91 $777.26 $141.31 $1499.69 1.929 $2095.19 $47.09 $3641.97 2155 $183 6.06 $5,673 $5,416 $5,032 15 14

### +

### Electronic Expansion Valve 16.10 $853.43 $76.17 $1653.14 1.937 $2095.19 $56.07 $3804.40 2129 $180 7.31 

### $5,Bll $5,557 $5,177 16 15 

### +

### CondenserECM Fan Motor 16.25 $919.98 $66.55 $1791.34 1.947 S2095.19 $63.68 $3950.21 2109 $179 8.41 $5,938 $5,687 $5,310 

### 17 16

### +

### Two-Speed Recip-CompressorSystem 17.66 $1,100.67 $180.69 $2130.34 1.935 $2095.19 $76.66 $4302.19 1942 $165 10.14 $6,132 $5,901 $5,554 18 16 

### +

### Variable-Speed Recip-Compressor System 18.03 SI,511.92 $591.94 $2888.51 1.910 $2095.19 $120.5'1 $5104.29 1902 $161 15.69 $6,897 $6,670 S6,331 19 16 

### +

### Two-Speed Scroll-CompressorSystem 18.35 $1,411.92 $491.94 $2826.41 2.002 $2095.19 $116.22 $5037.82 1869 $158 14.91 $6,799 $6,576 $6,243 20 16 

### +

### Variable-SpeedScroll-CompressorSyslem 20.55 $1,561.92 $641.94 $3177.53 2.034 $2095.19 $122.78 $5395.50 1668 $141 15.57 $6,968 $6,769 $6,471 

### AssumpUons:

1 

### Electricity cost '" 0.085 

### ${kWh (average cosl in 1999

### obtained from an interpolalion ofIhe 1995

### and 2000

### prices ofelectricity forecast in DOE's Annual Energy OUIlook 1993, 

### inflated to 1992

### dollars).The interpolated valuefor 1999 

### is 0.082

### ${kWh (1991$)

### or0.085 

### afteradjuslingfor inflalion from 1991 

### to 1992.

### Theeleclricity priceenduse factor for CAC is 1.0

### (no adjustment). 2 

### Lifetime 

### = 15

### years. 3 Baselineunitincludes: Evaporator: 4.13

### sq.ft., 13

### fins/inch, Wavy Fins, 3

### tube rows, GrooveTubes Condenser: 12.88

### sq.ft., 20

### fins/inch, SlitFins, 1

### tuberow, SmoolhTubes Compressor: Reciprocating, 10.20

### EER (nominal) EvaporatorFanMotor: PSC, 58.5%

### efficient CondenserFan Motor: PSC, 55.0% efficient Enhancement Devices: None 4 Non-BleedThermostaticExpansion Valvereplaces the need for aTime Delay Relay 5 MaximumSensible Heat Ratio

# = 76.5% 

### 6 EvaporatorECM Fan Motoris modulaled. Costoffan motor includes electronicmodulating controls. 7 CondenserECM Fan Motor is run atasingle speed. 6/7/94



### Cumulative CostofConserved Energy (cenIll/kWh) 4% 6% 

### 10% NA NA NA 0.08 0.09 0.11 0.14 0.16 0.20 0.29 0.33 0.42 0.30 0.34 0.43 0.34 0.39 

### O.SO 0.44 

### O.SO 0.64 

### O.SO 0.58 0.74 0.53 

### O.W 0.77 1.01 1.15 1.47 1.33 1.52 

### 1.9S 1.78 2.04 2.60 1.99 2.28 2.91 3.01 3.44 4.40 4.62 5.29 6.75 5.57 6.38 8.15 6.41 7.34 9.38 7.73 8.85 11.30 11.96 13.69 17.49 11.37 13.01 16.61 11.87 13.59 17.35

# 6/7/94 

# Life Cycle Cost for 3

-ton Single Package System

Central Air Conditioner $7,000 20 $6,600

$5,400

$5,000 -1 i 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 21.0 SEER 

# $7,000 6/7/94 

# Life Cycle Costfor3·tonSingle Package System CentralAirConditioner

$6,600 

# I 0- 

# 6% discountrate] 18

$6,200**~**

# ~ Q\**~** 

### '-' 

# t$ 0

# ~ $5,800 1

$5,400

$5,000 9.0 10.0 

# 3

11.0 6 9

12.0 13.0 14.0 15.0 SEER 

# 14

16.0 17.0 18.0 20

19.0 20.0 21.0

# 6/7/94 

# Life Cycle Cost for 3-ton Single Package System

Central Air Conditioner $7,000
$6,600
$6,200

$5,400
$5,000
$4,600 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 SEER 18.0 19.0 20.0 21.0**~**

# ~ 

# $7,000
$6,600
$6,200

Q\ 

# C $5,800 U

# ~ $5,400
$5,000
$4,600 9.0 

# 10.0 11.0 6/7/94 

# Life Cycle Costfor3-ton Single Package System CentralAirConditioner

-0-- 

# 4% discountrate

- -6 - - 

# 6% discountrate

- - - -+- - - - 

# 10%discount rate

12.0 

# --+- -- '

- --+- - - -- ..

# + 13.0 14.0 15.0 

# SEER 16.0 17.0 18.0 

# /

19.0 20.0 21.06/7/94 

### Life Cycle Costs and Payback Periods of 5-ton, Single Package System Central Air Conditioner

Level Design Option SEER Manufr Cart Incr.

Manufr Cost Retail

Cost Mark

Up Installed Installation Maintenance Consumer Cost Cost Cost Annual Elec. Use Annual

Energy cost Cumul. Payback Period Lifecycle Costs

1992$ Cumulative

Coat of Conserved Energy eettts/kWIt Btuh/W (1992$) (1992$) 1992$ 1992$ (1992$) (1992$) kWh/ r (1992$) (years) 4% 6% 10% 4% 6% 10% 0 Baseline 9.71 $666.00

- $1471.81 2.210 $2221.22 $46.69 $3739.72 5962 $505 NA $9,358 $8,647 $7,583 NA NA NA 1 0 + Backward Inclined Indoor Blower 9.98 $666.02 $0.02 $1473.47 2.212 $2221.22 $46.69 $3741.38 5799 $492 0.12 $9,206 $8,515 $7,480 0.09 0.11 0.13 2 1 + Evaporator Slit Fins 10.07 $666.23 $0.21 $1475.48 2.215 $2221.22 $46.69 $3743.39 5748 $487 0.20 $9,161 $8,476 $7,449 0.15 0.18 0.23 3 2 + Scroll Compressor. 11.30 EER 11.52 $690.87 $24.64 $1522.32 2.203 $2221.22 $46.69 $3790.23 5022 $426 (1.63 $8,523 $7,924 $7,028 0.48 0.55 0.71 4 3 + Time Delay Relay 11.97 $697.37 $6.50 $1535.87 2.202 $2221.22 $46.69 $3803.78 4834 $410 0.67 $81359 $7,783 $6,920 0.51 0.58 0.75 5 4 + More Efficient Evaporator PSC Fan Motor (68.5%) 12.27 $707.14 $9.77 $1555.43 2.200 $2221.22 $39.08 ,$3815.73 4714 $400 0.72 $8,259 $7,697 $6,855 0.55 0.63 0.80 6 5 + Non-Bleed Thermostatic Expansion Valve 12.58 $714.72 $7.58 $1570.96 2.198 $2221.22 $39.08 $3831.26 4599 $390 0.79 $8,166 $7,618 $6,797 0.60 0.69 0.88 7 6 + More Efficient Condenser PSC Fan Motor (65.0%) 12.70 $721.02 $6.30 $1584.15 2.197 $2221.22 $31.47 $3836.84 4557 $386 0.82 $8,131 $7,588 $6,775 0.62 0.71 0.91 8 7 + Increase Evaporator Fin Density to 14 fpi 12.74 $722.48 $1.46 $1588.45 2.199 $2221.22 $31.47 $3841.14 4542 $385 0.84 $8,121 $7,580 $6,769 0.64 0.74 0.94 9 8 + Increase Evaporator Face Area to 7.50 sq.ft. 13.13 $739.70 $17.22 $1629.40 2.2(13 $2231.51 $31.47 $3892.38 4408 $374 1.16 $8,046 $7,521 $6,734 0.88 1.01 1.29 10 9 + Condenser Grooved Tubes 13.28 $756.52 $16.82 $1671.13 2.209 $2231.51 $31.47 $3934.11 4356 $369 1.43 $8,040 $7,520 $6,743 1.09 1.25 1.59 11 10 + Increase Condenser Face Area to 27.60 sq.ft. 13.53 $788.74 $32.22 $1750.91 2.220 $2262.38 $31.47 $4044.76 4277 $362 2.14 '$8,075 $7,565 $6,802 1.63 1.86 2.38 12 11 + Increase Condenser Face Area to 36.50 sq.ft. 13.79 $850.40 $61.66 $1905.40 2.241 $2322.10 $31.47 $4258.97 4195 $356 3.47 $8,212 $7,712 $6,964 2.64 3.03 3.86 13 12 + Evaporator ECM Fan Motor 14.40 $1,030.66 $180.26 $2282.39 2.214 $2322.10 $47.09 $4651.58 4019 $341 5.54 $8,439 $7,960 $7,243 4.22 4.83 6.17 14 13 + Electronic Expansion Valve 14.59 $1,106.83 $76.17 $2469.83 2.231 $2322.10 $56.07 $4848.00 3966 $336 6.55 $8,585 $8,113 $7,405 4.99 5.72 7.30 15 14 + Condenser ECM Fan Motor 14.66 $1,179.53 $72.70 $2651.14 2.248 $2322.10 $63.68 $5036.92 3947 $335 7.60 $8,756 $8,286 $7,581 5.79 6.63 8.46 16 15 + Two-Speed Recip-Compressor System 16.27 $1,368.28 $188.75 $3080.97 2.252 $2322.10 $80.54 $5483.61 3557 $302 8.56 $8,836 $8,412 $7,777 6.52 7.47 9.54 17 15 + Variable-Speed Recip-Compressor System 17.14 $1,779.53 $600.00 $4003.54 2.250 $2322.10 $132.24 $6457.88 3376 $286 12.40 $9,639 $9,237 $8,634 9.45 10.82 13.82 18 15 + Two-Speed Scroll-Compressor System 16.52 $1,679.53 $500.00 $3984.18 2.372 $2322.10 $127.87 $6434.15 3504 $297 12.93 $9,736 $9,318 $8,693 9.86 11.29 14.41 19 15 + Variable-Speed Scroll-Compressor System 19.04 $1,829.53 $650.00 $4448.17 2.431 $2322.10 $134.43 $6904.70 3039 $258 12.78 $9,769 $9,406 $8,864 9.74 11.15 14.24 Assumptions: I Electricity cost = 0.085 $/ kWh (average cost in 1999 obtained from an interpolation of the 1995 and 2000 prices of electricity forecast in DOE's Annual Energy Outlook 1993, inflated to 1992 dollars). The interpolated value for 1999 is 0.082 $/kWh (1991$) or 0.085 after adjusting for inflation from 1991 to 1992. The electricity price enduse factor for CAC is 1.0 (no adjustment). 2 Lifetime = 15 years. 3 Baseline unit includes: Evaporator: 6.00 sq.ft., 13 fins/inch, Wavy Fins, 4 tube rows, Groove Tubes Condenser: 23.00 sq.ft., 20 fins/inch, Slit Fins, 2 tube rows, Smooth Tubes Compressor. Reciprocating, 10.49 EER (nominal); Accumulator Evaporator Fan Motor: PSC, 58.5% efficient Condenser Fan Motor: PSC, 55.0% efficient Enhancement Devices: None 4 Non-Bleed Thermostatic Expansion Valve replaces the need for a Time Delay Relay. 5 Maximum Sensible Heat Ratio = 76.5% 6 Evaporator ECM Fan Motor is modulated. Cost of fan motor includes electronic modulating controls. 7 Condenser ECM Fan Motor is run at a single speed. 

### Life Cycle Costs andPaybackPeriodsofS·ton,SinglePackageSystem CentralAirConditioner
Incr. Installed Annual Annual Cumul. LifecycleCosts SEER Mpnuf'r Manuf'r Retpil Mark Installation Maintenance Consumer Elec. Energy Payback Level Design Option Cost Cost Cost Up Cost Cost Cost usc cost Period (1992$) BtuhIW (1992$) (1992$) (1992$) (1992$) (1992$) (1992$) kWh/yr (1992$) (years) 4% 6% 10% 0 Baseline 9.71 $666.00 

# - $1471.81 2.210 $2221.22 $46.69 $3739.72 5962 $505 NA $9,358 $8,647 $7,583 1 

# o+Backward Inclined IndoorBlower 9.98 $666.02 $0.02 $1473.47 2.212 $2221.22 $46.69 $3741.38 5799 $492 0.12 $9,206 $8,515 $7,480 2 1

### +EvaporatorSlit Fins 10.07 $666.23 $0.21 $1475.48 2.215 $2221.22 $46.69 $3743.39 5748 $487 0.20 $9,161 $8,476 $7,449 3 2

### +Scroll Compressor: 11.30 EER 11.52 $690.87 $24.64 S1522.32 2.203 $2221.22 $46.69 $3790.23 5022 $426 0.63 $8,523 $7,924 $7,028 4 3 

### +Time Delay Relay 11.97 $697.37 $6.50 S1535.87 2.202 $2221.22 $46.69 $3803.78 4834 $410 0.67 $8,359 $7,783 $6,920 5 4 

### +More Efficient Evaporator PSC Fan Motor (68.5%) 12.27 $707.14 $9.77 $1555.43 2.200 $2221.22 $39.08 -$3815.73 4714 $400 0.72 $8,259 $7,697 $6,855 6 5 

### +Non-BleedThennostaticExpansion Valve 12.58 $714.72 $7.58 $1570.96 2.198 $2221.22 $39.08 $3831.26 4599 $390 0.79 $8,166 $7,618 $6,797 7 6 

### +More Efficient CondenserPSCFan Motor (65.0%) 12.70 $721.02 $6.30 $1584.15 2.197 $2221.22 $31.47 S3836.84 4557 $386 0.82 S8,131 $7,588 

### $6,n5 8 7

### +Increase EvaporatorFin Density to 14 fpi 12.74 $722.48 $1.46 $1588.45 2.199 $2221.22 $31.47 $3841.14 4542 $385 0.84 $8,121 $7,580 $6,769 9 8 

### +Increase Evaporator Face Area to 

### 7.50 sq.ft. 13.13 $739.70 $17.22 $1629.40 2.203 $2231.51 $31.47 $3892.38 4408 $374 1.16 $8,()46 $7,521 $6,734 10 9

### +CondenserGroovedTubes 13.28 $756.52 $16.82 $1671.13 2.209 $2231.51 $31.47 $3934.11 4356 $369 1.43 $8,040 $7,520 $6,743 11 10

### +Increase CondenserFaceArea to 27.60 sq-ft. 13.53 $788.74 $32.22 $1750.91 2.220 $2262.38 $31.47 $4044.76 4277 $362 2.14 $8,075 $7,565 $6,802 12 11 

### +Increase CondenserFace Area to 36.50sq.ft. 13.79 $850.40 $61.66 $1905.40 2.241 $2322.10 $31.47 $4258.97 4195 $356 3.47 $8,212 $7,712 $6,964 13 12

### +EvaporatorECM Fan Motor 14.40 $1,030.66 $180.26 $2282.39 2.214 $2322.10 $47.09 $4651.58 4019 $341 5.54 $8,439 $7,960 $7,243 14 13 

### +ElectronicExpansion Valve 14.59 $1,106.83 $76.17 $2469.83 2.231 $2322.10 $56.07 $4848.00 3966 $336 6.55 $8,585 $8,113 $7,405 15 14

### +CondenserECM Fan Motor 14.66 $1,17953 $72.70 $2651.14 2.248 $2322.10 $63.68 $5036.92 3947 $335 7.60 $8,756 . $8,286 $7,581 16 15

### +Two-Speed Recip-CompressorSystem 16.27 $1,368.28 $188.75 $3080.97 2.252 $2322.10 $80.54 $5483.61 3557 $302 8.56 $8,836 $8,412 

### $7,7n 17 IS

### +Variable-Speed Recip-CompressorSystem 17.14 $1,77953 $600.00 $4003.54 2.250 $2322.10 $132.24 $6457.88 3376 $286 12.40 $9,639 $9,237 $8,634 18 IS

### +Two-Speed Scron-CompressorSystem 16.52 $1,67953 $500.00 $3984.18 2.372 $2322.10 $127.87 $6434.15 3504 $297 12.93 $9,736 $9,318 $8,693 19 15

### +Variable-Speed Scroll-CompressorSystem 19.04 $1,829.53 $650.00 $4448.17 2.431 $2322.10 $134.43 $6904.70 3039 $258 12.78 $9,769 $9,406 $8,864 Assumptions:

1 Electricitycost

# = 0.085 $lkWh (averagecost in 1999 obtained from an interpolation ofthe 1995 and 2000pricesofelectricity forecast in DOE'sAnnual Energy Outlook 1993, inflated to 1992dollars).

### The interpolated value for 1999 is 0.082SlkWh (1991$) or0.085 afteradjustingfor inflation from 1991 to 1992. Theelectricity priceendusefactor for CACis 1.0(no adjustment). 2 Lifetime 

### = 15years. 3 Baseline unit includes: Evaporator: 6.00 sq.ft., 13 fins/inch, Wavy Fins,4 tube rows, GrooveTubes Condenser: 23.00 sq.ft,20fins/inch, Slit Fins, 2 tube rows, SmoothTubes Compressor: Reciprocating, 10.49 EER (nominal);Accumulator EvaporatorFan Motor: PSC, 58.5% efficient CondenserFan Motor: PSC,55.0%efficient Enhancement Devices: None 4 Non-BleedTbennostaticExpansion Valve replacesthe need for aTimeDelay Relay. 5 Maximum SensibleHeatRatio

### =76.5% 6 EvaporatorECM Fan Motoris modulated. Costoffan motor includeselectronicmodulatingcontrols. 7 CondenserECM FanMotorisrun ata single speed. 6/7/94

Cumulative COIlt ofConserved Enerll>' (cent!l/kWh) 4% 6% 10% NA NA NA 0.09 0.11 0.13 0.15 0.18 0.23 0.48 0.55 0.71 0.51 0.58 0.75 0.55 0.63 0.80 0.60 0.69 0.88 0.62 0.71 0.91 0.64 0.74 0.94 0.88 1.01 1.29 1.09 1.25 1.59 1.63 1.86 2.38 2.64 3.03 3.86 4.22 4.83 6.17 4.99 5.72 7.30 5.79 6.63 8.46 6.52 7.47 9.54 9.45 10.82 13.82 9.86 11.29 14.41 9.74 11.15 14.24

# 6/7/94 

# Life Cycle Cost for 5-ton Single Package System

Central Air Conditioner $9,400 -r 17 

# $9,000

$8,600 N 

# C' C' r u 

# U a $8,200



# $7,800

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# $9,400 6/7/94 

# Life Cycle Costfor 5-ton Single Package System CentralAir Conditioner

$9,000 

# [0 6% discount

# 4

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# 6/7/94 

# Life Cycle Cost for 5-ton Single Package System

Central Air Conditioner $9,800 

# $9,400 $9,000 $8,600 $8,200 U $7,800 

# $7,400 $7,000 $6,600 A

N N

# N 4% discount rate - - A -- - 6% discount rate

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# $9,800 $9,400 $9,000 $8,600**~** ('.l Q\ Q\ 

# o $8,200 U

# ~ $7,800 $7,400 $7,000 $6,600 9.0 10.0 6/7/94 

# Life Cycle Costfor 5-ton Single Package System CentralAirConditioner**~** 

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### Life Cycle Costs and Payback Periods of 3-ton, Single Package System Central Heat Pump 6/7/94

Incr. Installed Annual Elec Use Annual Cumel. Lifecycle Costs Cumulative SEER HSPF Manufr Manufr Retail Mark Installation Maintenance consumer Cooling Heating Energy Payback Cost of Conserved Energy Level Design Option Cost Cost Cost Up Cost Cost cost cost Period (1992$) (cents/kWh) Btuh/W Btuh/W (1992$) (1992$) (1992$) (1992$) (1992$) (1992$) kWh/yr kWh/yr (1992$) (years) 4% 6% 10% 4% 6% 10% 0 Baseline 9.70 6.69 $677.00

- $1412.49 2.086 $1202.35 $46.69 $2661.53 3764 8,379 $1,029 NA $14,105 $12,658 $10,490 NA NA NA 1 0 + Backward Inclined Indoor Blower 9.99 6.79 $677.00 $0.00 $1414.03 2.089 $1202.35 $46.69 $2663.07 3654 8,254 $1,009 0.08 $13,885 $12,466 $10,340 0.13 0.14 0.18 2 1 + Indoor Coil Slit Fins 10.12 6.90 $677.03 $0.03 $1415.61 2.091 $1202.35 $46.69 $2664.65 3608 8,128 $995 0.09 $13,724 $12,326 $10,231 0.18 0.21 0.26 3 2 + Increase Indoor Coil Fin Density to 14 fpi 10.16 6.92 $677.69 $0.66 $1418.29 2.093 $1202.35 $46.69 $2667.33 3594 8,096 $991 0.15 $13,684 $12,290 $10,204 0.31 0.35 0.45 4 3 + More Efficient Indoor PSC Fan Motor (68.5%) 10.40 7.01 $684.89 $7.20 $1432.30 2.091 $1202.35 $39.08 $2673.73 3512 7,995 $975 0.23 $13,517 $12,146 $10,092 0.43 0.50 0.64 5 4 + More Efficient Outdoor PSC Fan Motor (65.0% 10.51 7.10 $691.19 $6.30 $1444.75 2.090 $1202.35 $31.47 $2678.57 3476 7,890 $963 0.26 $13,390 $12,035 $10,006 0.53 0.61 0.78 6 5 + Time Delay Relay 10.84 7.25 $697.69 $6.50 $1457.54 2.089 $1202.35 $31.47 $2691.36 3369 7,734 $941 0.34 $13,155 $11,831 $9,849 0.68 0.78 0.99 7 6+ Reciprocating Compressor: 11.26 EER 11.34 7.46 $708.68 $10.99 $1478.12 2.086 $1202.35 $31.47 $2711.94 3221 7,516 $910 0.42 $12,831 $11,551 $9,634 0.84 0.96 1.22 8 7 + Increase Indoor Coil Face Area to 4.97 sq.ft. 12.04 7.73 $722.05 $13.37 $1515.75 2.099 $1212.09 $31.47 $2759.31 3032 7,250 $872 0.62 $1,,2,449 $11,224 $9,388 1.20 1.38 1.76 9 8+ Demand Defrost 12.04 7.96 $733.55 $11.50 $1551.56 2.115 $1212.09 $31.47 $279112 3032 7,039 $854 0.76 $12,286 $11,086 $9,288 1.64 1.88 2.40 10 9 + Outdoor Coil Grooved Tubes 12.34 8.00 $740.52 $6.97 $1579.52 2,133 $1212.09 $31.47 $2823.08 2958 7,009 $845 0.88 $12,216 $11,028 $9,249 1.80 2.06 2.64 11 10 + Increase Indoor Coil Face Area to 6.39 sq.ft. 12.73 8.15 $755.60 $15.08 $1636.12 2.165 $1221.83 $31.47 $2889.42 2868 6,877 $826 1.12 $12,073 $10,912 $9,172 2.29 2.62 3.34 12 11+Scroll Compressor: 11.50 EER 13.29 8.25 $774.58 $18.98 $1701.07 2.196 $1221.83 $31.47 $2954.37 2748 6,791 $808 1.33 $11,943 $10,807 $9,104 2.59 2.97 3.79 13 12 + Non-Bleed Thermostatic Expansion Valves 13.62 8.47 $787.03 $12.45 $1754.71 2.230 $1221.83 $31.47 $3008.01 2681 6,616 $788 1.44 $11,769 $10,661 $9,002 2.88 3.29 4.20 14 13 + Increase Outdoor Coil Face Area to 21.00 sq.ft. 14.34 8.80 $811.89 $24.86 $1846.26 2.274 $1262.09 $31.47 $3139.82 2547 6,372 $756 1.75 $11,545 $10,482 $8,890 3.53 4.05 5.17 15 14 + Increase Indoor Coil Face Area to 7.50 sq.ft. 14.55 8.86 $822.19 $10.30 $1924.34 2.341 $1269.70 $31.47 $3225.51 2509 6,325 $749 2.01 $11,551 $10,498 $8,921 4.04 4.63 5.91 16 15 + Increase Indoor Coil Tube Density to 4 rows 14.66 8.93 $844.58 $22.39 $2046.12 2.423 $1269.70 $31.47 $3347.29 2490 6,276 $743 2.40 $11,609 $10,564 $8,999 4.84 5.54 7.08 17 16 + Increase Outdoor Coil Face Area to 30.00 sq.ft. 15.02 9.04 $890.19 $45.61 $2240.59 2.517 $1330.09 $31.47 $3602.15 2432 6,200 $732 3.16 $11,736 $10,708 $9,167 6.35 7.27 9.28 18 17 + Outdoor ECM Fan Motor 15.12 9.17 $962.89 $72.70 $2485.30 2.581 $1330.09 $39.08 $3854.47 2415 6,115 $723 3.90 $11,893 $10,876 $9,354 7.95 9.11 11.63 19 18 + Electronic Expansion Valve 15.31 9.22 $1,011.23 $48.34 $2689.86 2.660 $1330.09 $48.06 $4068.01 2385 6,083 $718 4.51 $12,047 $11,038 $9,527 9.17 10.50 13.40 20 19 + Indoor ECM Fan Motor 15.87 9.28 $1,152.53 $141.30 $3057.75 2.653 $1330.09 $63.68 $4451.52 2300 6,042 $707 5.56 $12,313 $11,319 $9,830 11.00 12.59 16.08 

### 21 20+Two-Speed Recip-Compressor System 17.37 9.32 $1,332.79 $180.26 $3550.21 2.664 $1330.09 $77.62 $4957.92 2102 6,012 $688 6.73 $12,605 $11,638 $10,189 12.43 14.23 18.17 22 20 + Variable-Speed Recip-Compressor System 17.70 9.72 $1,744.04 $591.51 $4578.80 2.625 $1330.09 $123.47 $6032.36 2063 5,770 $664 9.23 $13,414 $12,481 $11,082 17.82 20.40 26.05 23 20+Two-Speed Scroll-Compressor System 17.93 9.89 $1,644.04 $491.51 $4704.37 2.861 $1330.09 $119.10 $6153.56 2037 5,666 $653 9.28 $13,412 $12,494 $11,119 18.18 20.82 26.58 24 120 + Variable-edScroll-Com Scroll-Compr 20.21 10.69 $1,794.04 $641.51 $5306.91 2.958 $1330.09 $125.66 $6762.66 1806 5,243 $597 9.50 $13,406 $12,566 $11,307 18.84 21.57 27.54 Assumptions: t Electricity cost = 0.085 $/kWh (average cost in 1999 obtained from an interpolation of the 1995 and 2000 prices of electricity forecast in DOE's Annual Energy Outlook 1993, inflated to 1992 dollars). The interpolated value for 1999 is 0.082 $/kWh (1991$) or 0.085 after adjusting for inflation from 1991 to 1992. The electricity price enduse factor for CAC is 1.0 (no adjustment). 2 Lifetime = 15 years. 3 Baseline unit includes: Indoor Coil: 3.55 sq.ft., 13 fins/inch, Wavy Fins, 3 tube rows, Groove Tubes Outdoor Coil: 15.00 sq.ft., 20 fins/inch, Slit Fins, I tube row, Smooth Tubes Compressor: Reciprocating, 10.80 EER (nominal); Accumulator Indoor Fan Motor: PSC, 58.5% efficient Outdoor Fan Motor: PSC, 55.0% efficient Enhancement Devices: None 4 All Two-Speed and Variable-Speed Compressor Systems include an Accumulator. 5 Maximum Sensible Heat Ratio = 76.5% 6 Non-Bleed Thermostatic Expansion Valves replace the need for a Time Delay Relay and an Accumulator. 7 Evaporator ECM Fan Motor is modulated. Cost of fan motor includes electronic modulating controls. 8 Condenser ECM Fan Motor is run at a single speed. 

### Life Cycle Costs and Payback Periodsof3-ton,SinglePackageSystem CentralHeatPump
Incr. Installed AnnualElec Use Annual Cumu!. SEER HSPF Manufr Manufr Retail Mark Installation Maintenance consumer Cooling Heating Energy Payback Level Design Option Cost Cost Cost Up Cost Cost cost cost Period BtuhIW BtuhlW (1992$) (1992$) (1992$) (1992$) (1992$) (1992$) kWhlyr kWh/yr (1992$) (years) 0 Baseline 9.70 6.69 $677.00 

# - $1412.49 2.086 $1202.35 $46.69 $2661.53 3764 8,379 $1,029 NA 1 0+ Backward Inclined Indoor Blower 9.99 6.79 $677.00 $0.00 $1414.03 2.089 $1202.35 $46.69 $2663.07 3654 8,254 $1,009 0.08 2 I + IndoorCoil SlitFins 10.12 6.90 $677.03 $0.03 $1415.61 2.091 $1202.35 $46.69 $2664.65 3608 8,128 $995 0.09 3 2 + Increase IndoorCoilFin Density to 14 fpi 10.16 6.92 $677.69 $0.66 $1418.29 2.093 $1202.35 $46.69 $2667.33 3594 8,096 $991 0.15 4 3 + MoreEfficientIndoorPSCFan Motor(68.5%) 10.40 7.01 $684.89 $7.20 $1432.30 2.091 $1202.35 $39.08 $2673.73 3512 7,995 $975 0.23 5 4+ MoreEfficient OutdoorPSCFan Motor (65.0% 10.51 7.10 $691.19 $6.30 $1444.75 2.090 $1202.35 $31.47 $2678.57 3476 7,890 $963 0.26 6 5 +Time Delay Relay 10.84 7.25 $697.69 $6.50 $1457.54 2.089 $1202.35 $31.47 $2691.36 3369 7,734 $941 0.34 7 6+Reciprocating Compressor: 11.26 EER 11.34 7.46 $708.68 $10.99 $1478.12 2.086 $1202.35 $31.47 $2711.94 3221 7,516 $910 0.42 8 7+ Increase IndoorCoilFace Area to 4.97 sq.ft. 12.04 7.73 $722.05 $13.37 $1515.75 2.099 $1212.09 $31.47 $2759.31 3032 7,250 $872 0.62 9 8+ Demand Defrost 12.04 7.96 $733.55 $11.50 $1551.56 2.115 $1212.09 $31.47 $2795.12 3032 7,039 $854 0.76 10 9 +OutdoorCoilGrooved Tubes 12.34 8.00 $740.52 $6.97 $1579.52 2.133 $1212.09 $31.47 $2823.08 2958 7,009 $845 0.88 11 10 + Increase IndoorCoilFace Area to 6.39 sq.ft. 12.73 8.15 $755.60 $15.08 $1636.12 2.165 $1221.83 $31.47 $2889.42 2868 6,877 $826 1.12 12 11 +ScrollCompressor: 11.50EER 13.29 8.25 $774.58 $18.98 $1701.07 2.196 $1221.83 $31.47 $2954.37 2748 6,791 $808 1.33 13 12 +Non-Bleed Thermostatic Expansion Valves 13.62 8.47 $787.03 $12.45 $1754.71 2.230 $1221.83 $31.47 $3008.01 2681 6,616 $788 1.44 14 13 +Increase OutdoorCoil Face Area to 21.00 sq.ft. 14.34 8.80 $811.89 $24.86 $1846.26 2.274 $1262.09 $31.47 $3139.82 2547 6,372 $756 1.75 15 14 + IncreaseIndoorCoil Face Area to 7.50 sq.ft. 14.55 8.86 $822.19 $10.30 $1924.34 2.341 $1269.70 $31.47 $3225.51 2509 6,325 $749 2.01 16 15 +Increase IndoorCoilTube Density to 4 rows 14.66 8.93 $844.58 $22.39 $2046.12 2.423 $1269.70 $31.47 $3347.29 2490 6,276 $743 2.40 17 16 +Increase OutdoorCoilFaceArea to 30.00 sq.ft. 15.02 9.04 $890.19 $45.61 $2240.59 2.517 $1330.09 $31.47 $3602.15 2432 6,200 $732 3.16 18 17 +OutdoorECMFan Motor 15.12 9.17 $962.89 $72.70 $2485.30 2.581 $1330.09 $39.08 $3854.47 2415 6,115 $723 3.90 19 18 +ElectronicExpansionValve 15.31 9.22 $1,011.23 $48.34 $2689.86 2.660 $1330.09 $48.06 $4068.01 2385 6,083 $718 4.51 20 19 +IndoorECMFan Motor 15.87 9.28 $1,152.53 $141.30 $3057.75 2.653 $1330.09 $63.68 $44S1.52 2300 6,042 $707 5.56 21 20 +Two-Speed Recip-Compressor System 17.37 9.32 $1,332.79 $180.26 $3550.21 2.664 $1330.09 $77.62 $4957.92 2102 6,012 $688 6.73 22 20 +Variable-Speed Recip-Compressor System 17.70 9.72 $1,744.04 $591.51 $4578.80 2.625 $1330.09 $123.47 $6032.36 2063 S,770 $664 9.23 23 20 +Two-Speed Scroll-Compressor System 17.93 9.89 $1,644.04 $491.51 $4704.37 2.861 $1330.09 $119.10 $6153.56 2037 5,666 $653 9.28 24 20 +Variable-Speed Scroll-Compressor System 20.21 10.69 $1.794.04 $641.51 $5306.91 2.958 $1330.09 $125.66 $6762.66 1806 5.243 $597 9.50 Assumptions: Electricity cost= 0.085 $/kWh (average costin 1999 obtained from an interpolation ofthe 1995 and 2000 prices ofelectricity forecast in DOE'sAnnualEnergy Outlook 1993, inflated to 1992 dollars). Theinterpolated value for 1999 is0.082$/kWh (1991$) or0.085 afteradjusting for inflation from 1991 to 1992. Theelectricity price enduse factor for CACis 1.0 (no adjustment). 2 Lifetime = IS years. 3 Baseline unitincludes: IndoorCoil: 3.55 sq.ft., 13 fins/inch, WavyFins, 3 tube rows, Groove Tubes OutdoorCoil: 15.00 sq.ft., 20fins/inch, SlitFins, I tube row, SmoothTubes Compressor: Reciprocating, 10.80EER (nominal); Accumulator IndoorFan Motor: PSC, 58.5%efficient OutdoorFan Motor: PSC, 5S.0% efficient Enhancement Devices: None 4 All Two-Speed and Variable-Speed Compressor Systemsinclude an Accumulator. MaximumSensible HeatRatio

# = 76.5% 6 Non-Bleed ThermostaticExpansion Valves replace the need for a Time Delay Relay and an Accumulator. EvaporatorECMFanMotoris modulated. Costofran motorincludeselectronic modulatingcontrols. CondenserECMFan Motorisrun ata single speed. 6/7/94
LifecycleCosts Cumulative CostofConserved Energy (1992$) (centslkWh) 4% 6% 10% 4% 6% 10% $14,105 $12,658 $10,490 NA NA NA $13,885 $12,466 $10,340 0.13 0.14 0.18 $13,724 $12,326 $10,231 0.18 0.21 0.26 $13,684 $12,290 $10,204 0.31 0.35 0.45 $13,517 $12,146 $10,092 0.43 0.50 0.64 $13,390 $12,035 $10,006 0.53 0.61 0.78 $13,155 $11,831 $9,849 0.68 0.78 0.99 $12,831 $11,551 $9,634 0.84 0.96 1.22 $J,2,449 $11,224 $9,388 1.20 1.38 1.76 $12,286 $11,086 $9,288 1.64 1.88 2.40 $12,216 $11,028 $9,249 1.80 2.06 2.64 $12,073 $10,912 $9,172 2.29 2.62 3.34 $11,943 $10,807 $9,104 2.59 2.97 3.79 $11.769 $10,661 $9,002 2.88 3.29 4.20 $11,545 $10,482 $8,890 3.53 4.05 5.17 $11,551 $10,498 $8,921 4.04 4.63 5.91 $11,609 $10,564 $8,999 4.84 5.54 7.08 $11,736 $10,708 $9,167 6.35 7.27 9.28 $11,893 $10,876 $9,354 7.95 9.11 11.63 $12,047 $11,038 $9,S27 9.17 10.S0 13.40 S12,313 $11,319 $9,830 11.00 12.S9 16.08 $12,605 $11,638 $10,189 12.43 14.23 18.17 $13,414 $12,481 $11,082 17.82 20.40 26.0S $13,412 $12,494 $11,119 18.18 20.82 26.58 $13,406 $12,566 $11,307 18.84 21.S7 27.S4

# 6/7/94 

# Life Cycle Cost for 3-ton Single Package System

Central Heat Pump $12,700
$12,300
$11,900

Q1 

# $11,500
$11,100


# $10,700
$10,300 1 I ' .q 

# 6% discount rate

14 

# _f 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 21.0 SEER $12,700 

# o $12,300 6/7/94 

# Life Cycle Costfor 3-ton SinglePackage System CentralHeatPump

# l-o-~ 60/0 discountrate 24

# 6/7/94 

# Life Cycle Cost for 3-ton Single Package System

Central Heat Pump $14,500 $14,000 $13,500 $13,000 $12,500



# $10,500 $10,000 $9,500 $9,000 $8,500 A

0 10% discount rate

9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 SEER 4% discount rate - - - - 6% discount rate

18.0 19.0 20.0 21.0 

# $14,500 $14,000 $13,500 $13,000 $12,500 

# ih $12,000 N**~ ~**  

# C $11,500 

# u u $11,000**~** 

# $10,500 $10,000

$9,500 $9,000 $8,500 9.0 10.0 11.0 

# 6/7/94 

# Life Cycle Costfor 3-tonSinglePackageSystem CentralHeatPump

12.0 13.0 --0- 

# 4% discount rate

- - -6 - - 

# 6% discountrate

- - - -+- - - - 

# 10% discountrate

14.0 15.0 SEER 

# 16.0 17.0 18.0 (



# 19.0 20.0 21.0

### Life Cycle Costs and Payback Periods of 5-ton, Single Package System Central Heat Pump 6/7/94


### Incr. Installed Annual Elec Use Annual Cumul. Lifecycle Costs Cumulative SEER HSPF Manufr Manufr Retail Mark Installation Maintenance Consumer Cooling Heating Energy Payback Cost of Conserved Energy Level Design Option Cost Cost Cost Up Cost Cost Cost cost Period (1992$) (cents/kWh) Btuh/W Btuh/W (1992$) (1992$) (1992$) (1992$) (1992$) (1992$) kWh/ r kWh/yr (1992$) (years) 4% 6% 10% 4% 6% 10% 0 Baseline 9.70 6.88 $934.00

- $2156.86 2.309 $1342.86 $46.69 $3546.41 5977 13,966 $1,690 NA $22,341 $19,964 $16,404 NA NA NA 1 0 + Backward Inclined Indoor Blower 9.99 7.00 $934.03 $0.03 $2158.62 2.311 $1342.86 $46.69 $3548.17 5803 13,732 $1,656 0.05 $21,958 $19,630 $16,143 0.09 0.10 0.13 2 1 + Indoor Coil Slit Fins 10.07 7.06 $934.25 $0.22 $2160.74 2.313 $1342.86 $46.69 $3550.29 5757 13,611 $1,642 0.08 $21,802 $19,494 $16,037 0.16 0.18 0.23 3 2 + Time Delay Relay 10.36 7.19 $940.75 $6.50 $2174.90 2.312 $1342.86 $46.69 $3564.45 5597 13,374 $1,608 0.22 $21,442 $19,181 $15,795 0.43 0.49 0.62 4 3+Scroll Compressor: 11.30 EER 11.93 7.57 $965.13 $24.38 $2223.35 2.304 $1342.86 $46.69 $3612.90 4861 12,693 $1,488 0.33 $20,156 $18,064 $14,930 0.54 0.61 0.78 5 4 + More Efficient Outdoor PSC Fan Motor (65.0% 12.05 7.66 $971.43 $6.30 $2237.13 2.303 $1342.86 $39.08 $3619.07 4811 12,545 $1,471 0.33 $19,975 $17,907 $14,808 0.56 0.64 0.82 6 5 + Increase Indoor Coil Fin Density to 14 fpi 12.09 7.70 $973.16 $1.73 $2242.14 2.304 $1342.86 $39.08 $3624.08 4797 12,484 $1,465 0.34 $19,909 $17,850 $14,765 0.59 0.68 0.87 7 6 + More Efficient Indoor PSC Fan Motor (68.5%) 12.43 7.81 $982.92 $9.76 $2262.56 2.302 $1342.86 $31.47 $3636.89 4665 12,308 $1,439 0.36 $19,632 $17,609 $14,579 0.62 0.71 0.91 8 7 + Demand Defrost 12.43 8.04 $994.42 $11.50 $2286.31 2.299 $1342.86 $31.47 $3660.64 4665 11,950 $1,408 0.40 $19,318 $17,338 $14,372 0.78 0.90 1.14 9 8 + Non-Bleed Thermostatic Expansion Valves 12.74 8.28 $1,016.08 $21.66 $2329.54 2.293 $1342.86 $31.47 $3703.87 4551 11,608 $1,370 0.49 $18,932 $17,006 $14,121 0.99 1.14 1.45 10 9 + Increase Indoor Coil Face Area to 7.50 sq.ft. 13.10 8.37 $1,033.92 $17.84 $2389.31 2.311 $1353.15 $31.47 $3773.93 4424 11,475 $1,348 0.66 $18,757 $16,862 $14,024 1.32 1.51 1.93 11 10 + Outdoor Coil Grooved Tubes 13.30 8.40 $1,048.28 $14.36 $2443.98 2.331 $1353.15 $31.47 $3828.60 4360 11,438 $1,339 0.80 $18,717 $16,834 $14,014 1.57 1.80 2.29 12 11 + Increase Outdoor Coil Face Area to 27.30 sq.ft 13.74 8.63 $1,106.40 $58.12 $2612.83 2.362 $1405.49 $31.47 $4049.79 4220 11,135 $1,301 1.29 $18,519 $16,689 $13,948 2.58 2.95 3.77 13 12+ Electronic Expansion Valve 13.93 8.68 $1,154.74 $48.34 $2768.70 2.398 $1405.49 $40.45 $4214.64 4161 11,072 $1,291 1.67 $18,570 $16,755 $14,035 3.31 3.79 4.84 14 13 + Outdoor ECM Fan Motor 14.02 8.79 $1,227.44 $72.70 $2971.53 2.421 $1405.49 $48.06 $4425.08 4137 10,936 $1,278 2.13 $18,629 $16,833 $14,142 4.29 4.92 6.28 15 14 + Increase Outdoor Coil Face Area to 36.50 sq.ft 14.20 8.86 $1,295.30 $67.86 $3200.41 2.471 $1467.22 $48.06 $4715.69 4084 10,844 $1,265 2.75 $18,784 $17,005 $14,340 5.55 6.36 8.12 16 15 + Indoor ECM Fan Motor 14.89 8.95 $1,475.55 $180.25 $3650.92 2.474 $1467.22 $63.68 $5181.82 3893 10,733 $1,240 3.63 $18,965 $17,222 $14,611 7.06 8.08 10.32 17 16 + Two-Speed Recip-Compressor System 16.48 8.96 $1,664.30 $188.75 $4227.83 2.540 $1467.22 $80.83 $5775.88 3519 10,722 $1,207 4.61 $19,197 $17,499 $14,957 8.16 9.34 11.92 18 16 + Variable-Speed Recip-Compressor System 16.65 9.49 $2,075.55 $600.00 $5477.98 2.639 $1467.22 $133.11 $7078.31 3481 10,127 $1,153 6.58 $19,902 $18,281 $15,851 12.73 14.57 18.60 19 16 + Two-Speed Scroll-Compressor System 16.78 9.73 $1,975.55 $500.00 $5705.34 2.888 $1467.22 $128.74 $7301.30 3454 9,875 $1,130 6.70 $19,863 $18,274 $15,895 13.39 15.33 19.57 20 16 + Variable-Speed Scroll-Compressor Sstem 18.59 10.01 $2,125.55 $650.00 $6495.56 3.056 $1467.22 $135.29 $8098.07 3118 9,603 $1,078 7.44 $20,086 $18,570 $16,299 14.32 16.39 20.93 Assumptions: 1 Electricity cost = 0.085 $/kWh (average cost in 1999 obtained from an interpolation of the 1995 and 2000 prices of electricity forecast in DOE's Annual Energy Outlook 1993, inflated to 1992 dollars). The interpolated value for 1999 is 0.082 $/kWh (1991$) or 0.085 after adjusting for inflation from 1991 to 1992. The electricity price enduse factor for CAC is 1.0 (no adjustment). 2 Lifetime = 15 years. 3 Baseline unit includes: Indoor Coil: 6.00 sq.ft., 13 fins/inch, Wavy Fins, 4 tube rows, Groove Tubes Outdoor Coil: 19.5 sq.ft., 20 fins/inch, Slit Fins, 2 tube rows, Smooth Tubes Compressor: Reciprocating, 10.49 EER (nominal); Accumulator Indoor Fan Motor: PSC, 58.5% efficient t)uidim Fan Motor: I'SC, 55.0% efficient I:shancemcnt Devices: None. 4 Maximum Sensible Heat Ratio = 76.5% 5 Non-Bleed Thermostatic Expansion Valves replace the need for a Time Delay Relay; Accumulator still required due to excess refrigerant. 6 Evaporator ECM Fan Motor is modulated. Cost of fan motor includes electronic modulating controls. 7 Condenser ECM Fan Motor is run at a single speed. 

### Life Cycle Costs

### and Payback Periods of5·ton, Single PackageSystem Central HeatPump

Incr. Installed Annual Elec Use Annual Cumu!. SEER HSPF Manufr Manufr Retail Mark Installation Maintenance Consumer Cooling Heating Energy Payback Level Design Option Cost Cost Cost Up Cost Cost Cost cost Period BtuhIW BlUhlW (1992$) (1992$) (1992$) (1992$) (1992$) (1992$) kWh/yr kWhlyr (1992$) (years) 0 Baseline 9.70 6.88 $934.00 $2156.86 2.309 $1342.86 $46.69 $3546.41 5977 13,966 $1,690 NA I 0+ Backward Inclined Indoor Blower 9.99 7.00 $934.03 $0.03 $2158.62 2.311 $1342.86 $46.69 $3548.17 5803 13,732 $\,656 0.05 2 I + IndoorCoil SlitFins 10.07 7.06 $934.25 $0.22 $2160.74 2.313 $1342.86 $46.69 $3550.29 5757 13,611 $1,642 0.08 3 2 + Time Delay Relay 10.36 7.19 $940.75 $6.50 $2174.90 2.312 $1342.86 $46.69 $3564.45 5597 13,374 $1,608 0.22 4 3 + Scroll Compressor: 11.30EER 11.93 7.57 $965.13 $24.38 $2223.35 2.304 $1342.86 $46.69 $3612.90 4861 12,693 $1,488 0.33 5 4 + More EfficientOutdoorPSCFan Motor (65.0% 12.05 7.66 $971.43 $6.30 $2237.13 2.303 $1342.86 $39.08 $3619.07' 4811 12,545 $1,471 0.33 6 5 + Increase IndoorCoilFin Density to 14 fpi 12.09 7.70 $973.16 $1.73 $2242.14 2.304 $1342.86 $39.08 $3624.08 4797 12,484 $1,465 0.34 7 6 +More Efficient IndoorPSCFan Motor (68.5%) 12.43 7.81 $982.92 $9.76 $2262.56 2.302 $1342.86 $31.47 $3636.89 4665 12,308 $1,439 0.36 8 7 + Demand Defrost 12.43 8.04 $994.42 $11.50 $2286.31 2.299 $1342.86 $31.47 $3660.64 4665 11,950 $1,408 0.40 9 8 + Non-Bleed ThermostaticExpansion Valves 12.74 8.28 $1,016.08 $21.66 $2329.54 2.293 $1342.86 $31.47 $37Q3.87 4551 11,608 $1,370 0.49 10 9 + Increase IndoorCoil FaceArea to 7.50 sq.ft. 13.10 8.37 $1,033.92 $17.84 $2389.31 2.311 $1353.15 $31.47 $3773.93 4424 11,475 $1,348 0.66 11 10 + OutdoorCoilGrooved Tubes 13.30 8.40 $1,048.28 $14.36 $2443.98 2.331 $1353.15 $31.47 $3828.60 4360 11,438 $1,339 0.80 12 11 + Increase OutdoorCoilFaceArea to 27.30 sg.ft 13.74 8.63 $1,106.40 $58.12 $2612.83 2.362 $1405.49 $31.47 $4049.79 4220 11,135 $1,301 1.29 13 12 + ElectronicExpansion Valve 13.93 8.68 $1,154.74 $48.34 $2768.70 2.398 $1405.49 $40.45 $4214.64 4161 11,072 $1,291 1.67 14 13 + OutdoorECM Fan Motor 14.02 8.79 $1,227.44 $72.70 $2971.53 2.421 $1405.49 $48.06 $4425.08 4137 10,936 $1,278 2.13 15 14 + Increase OutdoorCoil FaceArea to 36.50 sg.ft 14.20 8.86 $1,295.30 $67.86 $3200.41 2.471 $1467.22 $48.06 $4715.69 4084 10,844 $1,265 2.75 16 15 +IndoorECMFanMotor 14.89 8.95 $1,475.55 $180.25 $3650.92 2.474 $1467.22 $63.68 $5181.82 3893 10,733 $1,240 3.63 17 16+ Two-Speed Recip-Compressor System 16.48 8.96 $1,664.30 $188.75 $4227.83 2.540 $1467.22 $80.83 $5775.88 3519 10,722 $1,207 4.61 18 16+ Variable-Speed Recip-CompressorSystem 16.65 9.49 $2,075.55 $600.00 $5477.98 2.639 $1467.22 $133.11 $7078.31 3481 10,127 $1,153 6.58 19 16 + Two-Speed Scroll-CompressorSystem 16.78 9.73 $1,975.55 $500.00 $5705.34 2.888 $1467.22 $128.74 $7301.30 3454 9,875 $1,130 6.70 20 16 + Variable-Speed Scroll-Compressor System 18.59 10m $2,125.55 $650.00 $6495.56 3.056 $1467.22 $135.29 $8098.07 3118 9,603 $1,078 7.44 Assumptions: Electricity cost= 0.085 $/kWh (average costin 1999 obtained from an interpolation ofthe 1995 and 2000prices ofelectricity forecastin DOE's Annual Energy Outlook 1993, inflated to 1992 dollars). The interpolated value for 1999 is 0.082 $/kWh (1991$) or0.085 afteradjusting for inflation from 1991 to 1992. The electricity price enduse factor for CAC is 1.0 (no adjustment). Lifetime = 15 years. Baseline unitincludes: IndoorCoil: 6.00 sg.ft., \3 fins/inch, Wavy Fins, 4 tube rows, Groove Tubes OutdoorCoil: 19.5 sg.ft., 20fins/inch, SlitFins, 2 tube rows, Smooth Tubes Compressor: Reciprocating, 10.49EER (nominal); Accumulator IndoorFan Motor: PSC, 58.5% efficient Outdoor Flln Motor: PSC, 55.0% ",'odent Hnhunccmcnl Devices: Norw 4 Maximum SensibleHeat Ratio

# = 76.5% Non-Bleed ThennostaticExpansion Valves replace the need for aTime Delay Relay; Accumulatorstill required due to excess refrigerant. 6 EvaporatorECM Fan Motoris modulated. Cost offan motorincludes electronic modulating controls. CondenserECMFan Motorisrun ata single speed. 617/94
UfecycleCosts Cumulative CostofConserved Energy (1992$) (centslkWh) 4% 6% 10% 4% 6% 10% $22,341 $19,964 .$16,404 NA NA NA $21,958 $19,630 $16,143 0.09 0.10 0.13 $21,802 .$19,494 $16,037 0.16 0.18 0.23 $21,442 $19,181 $15,795 0.43 0.49 0.62 $20,156 $18,064 $14,930 0.54 0.61 0.78 $19,975 $17,907 $14,808 0.56 0.64 0.82 $19,909 $17,850 $14,765 0.59 0.68 0.87 $19,632 $17,609 $14,579 0.62 0.71 0.91 $19,318 $17,338 $14,372 0.78 0.90 1.J4 $18,932 $17,006 $14,121 0.99 1.J4 1.45 $18,757 S16,862 $14,024 1.32 1.51 1.93 $18,717 $16,834 .$14,014 1.57 1.80 2.29 $18,519 $16,689 $13,948 2.58 2.95 3.77 $18,570 .$16,755 $14,035 3.31 3.79 4.84 $18,629 .$16,833 $14,142 4.29 4.92 6.28 $18,784 $17,005 $14,340 5.55 6.36 8.12 $18,965 $17,222 $14,611 7.06 8.08 10.32 $19,197 $17,499 $14,957 8.16 9.34 11.92 $19,902 $18,281 $15,851 12.73 14.57 18.60 $19,863 $18,274 $15,895 13.39 15.33 19.57 $20,086 $18,570 $16,299 14.32 16.39 20.93

# 6/7/94 

# Life Cycle Cost for 5-ton Single Package System

Central Heat Pump $20,200 $19,800 $19,400 

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# 6/7/94 

# Life Cycle Cost for 5-ton Single Package System

Central Heat Pump $23,000 $22,000 $21,000 $20,000

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# Life Cycle Costfor S-ton Single Package System CentralHeat Pump

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