### LAWRENCE BERKELEY LABORATORY Bldg: 90 Room: 4000 510 486-6493 

# September

, 29, 1993

MEMORANDUM TO: Barry Berlin, DOE FROM: Isaac Turiel, LBL RE: Enclosed please find LCC analyses for central air conditioners/heat pumps (modified as requested by Ed Pollack) and furnaces
. Please replace any previous versions of LCC analyses for these products with the enclosed
. If you have any questions please call me at your convenience. 

# / i I. 

### LAWRENCE BERKELEY lABORATORY Bldg: 90 Room: 4000 510 486-6493 

# Septem

# her, 29, 1993


# MEMORANDUM TO: Barry Berlin, DOE FROM: Isaac Turiel, LBL 

# RE:Enclosed please find Lee 

# analyses for central air 

# conditioners/heat pumps (modified as requested by Ed Pollack) and furnaces. Please replace any previous versions of Lee 

# analyses for these products with the enclosed. If

# you have any questions please call me at yourconvenience.



# ..9/1 7/93 

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

Level Design Option SEER Manufr Cost Incr.

Manufr Cost Installed Installation MaintenanceConsum 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$) kWh/ (1992$ (years) 4% 6% 10% 4% 6% 10% 0 Baseline 10.00 $474.00

- $972.71 $46.69 $2185.44 3427 $290 NA $5,415 $5,007 $4,395 NA NA NA 1 0+ Backward Inclined Indoor Blower 10.28 $474.04 $0.04 $972.71 $46.69 $2185.54 3337 $283 0.01 $5,330 $4,933 $4,337 0.01 0.01 0.01 2 1 + Evaporator Slit Fins 10.40 $474.13 $0.09 $972.71 $46.69 $2185.76 3297 $279 0.03 $5,292 $4,900 $4,311 0.02 0.03 0.03 3 2+ Reciprocating Compressor: 10.91 EER .11.34 $481.51 $7.38 $972.71 $46.69 $2203.91 3025 $256 0.54 $5,054 $4,694 $4,154 0.41 0.47 0.60 4 3 + Mote Efficient Condenser PSC Fan Motor (65.0%) 11 .47 $486.46 $4.95 $972.71 $39.08 $2208.48 2990 $253 0.62 $5,026 $4,670 $4,136 0.47 0.54 0.69 5 4 + More Efficient Evaporator PSC Fan Motor (68.5% 11.73 $493.68 $7.22 $972.71 $31.47 $2218.63 2922 $248 0.78 $4,972 $4,624 $4,103 0.59 0.68 0.86 6 5 + Time Delay Relay 12.18 $500. 18 $6.50 $97271 $31.47 $2234.62 2815 $239 0.95 $4,888 $4,552 $4,050 0.72 0.83 1.06 7 6+ Condenser Grooved Tubes 12.62 $506.13 $5.95 $972.71 $31.47 $2249.26 2716 $230 1.06 $4,809 $4,485 $4,000 0.81 0.92 1.18 8 7 + Increase Evaporator Fm Density to 14 fpl 12.68 $506.88 $0.75 $972.71 $31.47 $2251.10 2704 $229 1.07 $4,800 $4,477 $3,995 0.82 0.94 1.19 9 8 + Scroll Compressor: 11.50 EER / Non-Bleed TXV 13.51 $543.29 $36.41 $972.71 $31.47 $2340.67 2538 $215 2.06 $4,732 $4,430 $3,977 1.57 1.80 2.29 10 9 + Increase Evaporator Face Area to 6
.60 aq.ft
. 14.40 $565.51 $22.22 $989.69 $31 .47 $2412.31 2381 $202 2.56 $4,656 $4,373 $3,948 1.95 2.23 2.85 11 10+ Increase Condenser Face Area to 18
.03 sq.fl. 15.19 $586.24 $20.73 $1024.25 $31.47 $2497.87 2257 $191 3.15 $4,625 $4,356 $3,953 2.40 2.75 3.51 12 11 + Increase Evaporator Face Area to 7.50 sq.R 15.37 $594.35 $8.11 $1030.42 $31.47 $2523.99 2230 $189 3.34 $4,626 $4,360 $3,962 2.54 2.91 3.72 13 12+ Increase Condenser Face Area to 28 .33 sq.tt. 15.82 $635.95 $41.60 $1099.53 $31.47 $2695.44 2167 $184 4.78 $4,738 $4,480 $4,093 3.64 4.17 5.32 14 13 + Evaporator ECM Fan Motor 16.40 $777.26 $141.31 $1099.53 $47.09 $3058.68 2091 $177 7.71 $5,029 $4,780 $4,407 5.88 6.73 8.59 15 14 + Electronic Expansion Valve 16.60 $853.43 $76.17 $1099.53 $56.07 $3255.04 2066 $175 9.27 $5,202 $4,955 $4,587 7.06 8.09 10.33 16 15 + Condenser ECM Fan Motor 16.75 $919.98 $66.55 $1099.53 $63.68 $3426.36 2047 $173 10.61 $5,355 $5,111 $4,746 8.09 9.26 11.82 17 16 + Two-Speed Recip-Compressor System 18.20 $1,100.67 $180.69 $1099.53 $76.66 $3883.84 1884 $160 12.98 $5,659 $5,435 $5,098 9.90 11.33 14.47 18 16+ Variable-Speed Recip

-Compressor System 18.58 $1,511.92 $591.94 $1099.53 $120.59 $4939.44 1846 $156 20.54 $6,679 $6,459 $6,129 15.66 17.93 22.89 19 16+ Two-Speed Scroll-Compressor System 18.91 $1,411.92 $491.94 $1099.53 $116.22 $4689.07 1814 $154 18.30 $6,398 $6,182 $5,858 13.95 15.97 20.40 20 16+ Variable-Speed Scroll-Compressor System 21
. 18 $1,561 .92 $641.94 $1099.53 $122.78 $5064.63 1619 $137 18.78 $6,590 $6,397 $6,108 14.32 16.39 20.93
AssumlWons1 Electricity cost = 0.085 $/kWh (average cost in 1999 obtained from an interpolation of the 1995 and 2000 prices of electricity forecast in DOEs 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. Markup factor -2.46. 3 Baseline unit includes: Evaporator: 4.13 sq.tt,13 rim/inch, Wavy Fins, 3 tube rows, Groove Tubes Condenser: 12.88 sq.fl., 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. 9/17/93 

### Life Cycle Costs aDd 

### Payback Periods 013400, Spilt SystemCentral Air Conditioner
Ina. Installed Annual Annual CumuJ. Lifecycle Costs Cumulative SEER Manufr Manufr Inslallation MalnteaanceCollSW1lel E1ec. Energy Payback: Cost ofConserved Energy Leve Design 

### OptIon Cost Cost Cost Cost Cost use cost Period (1992$) (centsIkWh) BIUh/W (1992$) (1992$) (1992$) (1992$) (1992$) 

### kWh/yr (1992$) (years) 4% 6% 10% 4% 6% 10% 0 Baseline 10.00 $474.00 

# - $972.71 $46.69 $2185.44 3427 $290 NA $5,415 $5,007 $4,395 NA NA NA 1 

## o + Bacltwud Inc;1iDed Indoor Blower 10.28 $474.04 $0.04 $972.71 $46.69 $2185.54 3337 $283 0.01 $5,330 $4,933 $4,337 0.01 0.01 0.01 2 1 + Evaporator Slit

### FilII 10.40 $474.13 

### $0.09 $972.71 $46.69 $2185.76 3297 $279 0.03 $5,292 $4,900 $4,311 0.02 0.03 0.03 3 2 + Reciprocallng CllIIIpralor: 10.91 EER .11.34 $481.51 $7.38 $972.71 $46.69 $2203.91 3025 $256 0.54 $5,054 $4,694 $4,154 0.41 0.47 0.60 4 3 + More EffICient CondenserPSC Fan Motor (65.0%) 11.47 $486.46 $4.95 $972.71 $39.08 $2208.48 2990 $253 0.62 $5,026 $4,670 $4,136 0.47 0.54 0.69 5 4 + More EffICient EvaporatorPSC Fan Motor (68.5% 11.73 $493.68 $7.22 $972.71 $31.47 $2218.63 2922 $248 0.78 $4,972 $4,624 $4,103 0.59 0.68 0.86 6 5 + Time Delay Relay 12.18 $500.18 $6,50 $972.71 $31.47 $2234.62 2815 $239 0.95 $4,888 $4,552 $4,050 0.72 0.83 1.06 7 6 + Condenser Grooved Tubes 12.62 $506.13 $5.95 $972.71 $31.47 $2249.26 2716 $230 1.06 

### $4,809 $4,485 $4,000 0.81 0.92 1.18 8 7 + Increase Evaporator Fm Density to 14 fpi 12.68 

### $506.88 $0.75 $972.71 $31.47 $2251.10 2704 $Z29 1.07 $4,800 $4,477 $3,995 0.82 0.94 1.19 9 8+ Scroll Compressor: 11.50 EER/Non-Bleed TXV 13.51 $543.29 $36.41 $972.71 $31.47 $234Q.67 2538 $215 2.06 $4,732 $4,430 $3,977 1.57 1.80 2.29 10 9 + Increase EvaporatorFICe Area to 6.60 Iq.n. 14.40 $565.51 $22.22 $989.69 $31.47 $2412.31 2381 $202 2.56 $4,656 $4,373 $3,948 1.95 2.23 2.85 

### 11 10+Increase CondenserFICeArea to 18.031q.n. 15.19 $586.24 $20.73 $1024.25 $31.47 $2497.87 2257 $191 3.15 $4,625 $4,356 $3,953 2.40 2.75 3.51 12 11 + 

### lncreueEvaporatorFICe Area to 7.50 Iq.n. 15.37 $594.35 $8.11 $1030.42 $31.47 $2523.99 2230 $189 3.34 $4,626 $4,360 $3,962 2.54 2.91 3.72 13 12+ 

### lncreueCondenser Face Area to 28.33 Iq.n. 15.82 $635.95 $41.60 $1099.53 $31.47 $2695.44 2167 $184 4.78 $4,738 $4,480 

### $4,093 3.64 4.17 5.32 14 13 + Evaporator ECM Fan Motor 16.40 

### $777.26 $141.31 $1099.53 

### $47.09 $3058.68 

### 2091 $177 7.71 $5,029 $4,780 $4,407 5.88 6.73 8.59 15 14 + Electronic Expansion Valve 16.60 $853.43 $76.17 $loW.'S3 $56.07 $3255.04 2066 $175 9.27 $5,202 $4,955 $4,587 7.06 

### 8.09 10.33 16 15 + Condenser ECM Fan Motor 16.75 $919.98 $66.55 $1099.53 $63.68 $3426.36 2047 $173 10.61 $5,355 $5,111 $4,746 8.09 9.26 11.82 17 16 + Two-Speed Recip-Compre$lor SyslfOl 18.20 $1,100.67 $180.69 $1099.53 $76.66 $3883.84 1884 $160 12.98 $5,659 $5,435 

### $5,098 9.90 11.33 14.47 18 16 + Variable-Speed Recip-Compressor SyslfOl 18.58 $1,511.92 $591.94 $1099.53 $120.59 $4939.44 1846 $156 20.54 $6,679 $6,459 $6,129 15.66 17.93 22.89 19 16+ Two-Speed Scroll-Compressor System 18.91 $1,411.92 $491.94 $1099.53 $116.22 $4689.07 1814 $154 18.30 $6,398 $6,182 $5,858 13.95 15.97 20.40 20 16+ Variable-Speed Scroll-Compressor Sy5lf01 21.18 $1,561.92 $641.94 $1099.53 $122.78 $5064.63 1619 $137 18.78 $6,590 $6,397 $6,108 14.32 16.39 20.93 AlSumptlOQl'

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). The interpolated value for 1999 is 0.082 $IkWh (1991$) or0.085 after adjusting for inflation 

### from 1991 to 1992. The electricity price enduse factor for CAC is 1.0 (no adjustment). 2 Lifetime

# =15 years. Markup factor =-2.46. 3 Baseline unit includes: Evaporator: 4.13 sq.n., 13 

### fUlS/iJlcb, Wavy Fins, 3 tuberows, Groove Tubes Condenser: 12.88 sq.n., 20 

### fUlSfmcb, SlitFins, Itubcrow, Smooth Tubes Compressor: Reciprocating, 10.20 EER (nominal) Evaporator Fan Motor: PSC, 58.5% effICient Condenser Fan Motor: PSC, 55.0% efficient EnhancementDevices: None 4 Non-Bleed Thermostatic Expansion Valve replaces the need for a Time Delay Relay 5 Maximum SensibleHeat Ratio '" 76.5% 6 Evaporator ECM Fan Motor is modulated. Cost offan motor includes electronic modulating controls. 7 Condenser ECM Fan Motor is run at a single speed.

# 9/17/93 

# Life Cycle Cost for 3

-ton Split System Central Air Conditioner$6,600 -r20 $6,200 --
$5,800 -}

$5,000 -}
$4,600 -}
$4,200 9.0 

# 6% discount rate

i i i I I I i i i i i i i 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 

# $6,600
$6,200
$5,800 9/17/93 

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

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

# 1

o 20

$5,000 1 3 $4,600 6 13 $4,200 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

# 9/17/93 

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

$5,400 U U 

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



# N

Iz



# 9.0 10.0 11.0 12.0 13.0 14.0 

# I .i 15.0 16.0 17.0 18.0 19.0 20.0 21.0 22.0 SEER 

# $7,000 $6,600 $6,200 $5,800

$5,000 $4,600 $4,200 $3,800 9.0 9/17/93 

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

-0-- 

# 4% discountrate

- - il - - 

# 6% discountrate

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

....... ,'.,' , Ii


# ... --

# --

# -.

-

# -- -

# -

# .- --

# --

# .... 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 SEER 19.0 20.0 21.0 22.09/30/93 

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

Lever Design Option SEER Manufr Cost Incr.

Manufr Cost 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$) kWh/yr (1992$) (years) 4% 6% 10% 4% 6% 10% 0 Baseline 10
.01 $666.00

- $1494.33 $46.69 $3412.48 5783 $490 NA $8,862 $8,173 $7,141 NA NA NA 1 0 + Backward Inclined Indoor Blower 10.29 $666.02 $0.02 $1494.33 $46.69 $3412.54 5625 $477 0.00 $8,714 $8,043 $7,039 0.00 0.00 0.00 2 1 + Evaporator Slit Fins 10.38 $666.23 $0.21 $1494.33 $46.69 $3413.13 5576 $473 0.04 $8,668 $8,003 $7,008 0.03 0.03 0.04 3 2 + Scroll Compressor . 11.30 EER 11
.88 $690.87 $24.64 $1494.33 $46.69 $3482.36 4871 $413 0.90 $8,073 $7,492 $6,623 0.69 0.79 1.01 4 3 +Time Delay Relay 12.34 $697.37 $6.50 $1494.33 $46.69 $3500.63 4689 $397 0.95 $7,919 $7,361 $6,523 0.72 0.83 1.06 5 4 + More Efficient Evaporator PSC Fat Motor (68.5% 12.65 $707.14 $9.77 $1494.33 $39.08 $3520.47 4573 $388 1.05 $7,830 $7,285 $6,469 0.80 0.92 1.17 6 5 + Non

-Bleed Thermostatic Expansion Valve 12.97 $714.72 $7.58 $1494.33 $39.08 $3541.77 4462 $378 1.15 $7,746 $7,215 $6,418 0.88 1.01 1.29 7 6 + More Efficient Condenser PSC Fan Motor (65.0%) 13.09 $721.02 $6.30 $1494.33 $31.47 $3551.87 4420 $375 1.21 $7,718 $7,191 $6,402 0.92 1.05 1.35 8 7 + Inncresse Evaporator Fin Density to 14 fpi 13.14 $722.48 $1.46 $1494.33 $31.47 $3555.97 4405 $373 1.23 $7,708 $7,182 $6,396 0.94 1.07 1.37 9 8 + Increase Evaporator Face Area to 7.50 8q .ft. 13.53 $739.70 $17.22 $1504.62 $31.47 $3614.65 4276 $362 1.58 $7,644 $7,134 $6,371 1.21 1.38 1.76 10 9 + Condenser Grooved Tubes 13.69 $756.52 $16.82 $1504.62 $31.47 $3661.91 4226 $358 1.89 $7,644 $7,141 $6,386 1 .44 1.65 2.11 11 10 + Increase Condenser Face Area to 27.60 5q.ft. 13.95 $788.74 $32.22 $1535.49 $31.47 $3783.32 4148 $352 2.68 $7,693 $7,198 $6,458 2.04 2.34 2.98 12 11 + Increase Condenser Face Area to 36.50 sq.ft.. 14.22 $850.40 $61.66 $1595.21 $31.47 $4016.30 4069 $345 4.16 $7,851 $7,366 $6,640 3.17 3.63 4.63 13 12 + Evaporator ECM Fan Motor 14.84 $1,030.66 $180.26 $1595.21 $47.09 $4538.45 3899 $330 7.05 $8,213 $7,748 $7,052 5.38 6.15 7.86 14 13 + Electronic Expansion Valve 15.04 $1, 106.83 $76.17 $1595.21 $56.07 $4761.47 3847 $326 8.22 $8,387 $7,928 $7,242 6.27 7.17 9.16 15 14 + Condenser ECM Fan Motor 15.11 $1,179.53 $72.70 $1595.21 $63.68 $4973.37 3830 $325 9.43 $8,583 $8,126 $7,442 7.19 8.23 10.51 16 15 + Two-Speed Recip
-Compressor System 16.76 $1 ,368.28 $188.75 $1595.21 $80.54 $5520.62 3452 $293 10.67 $8,773 $8,362 $7,746 8.13 9.31 11.89 17 15 + Variable
-Speed Recip
-Compressor System 17.67 $1,779.53 $600.00 $1595.21 $132.24 $6727.93 3275 $278 15.60 $9,815 $9,424 $8,840 11 .89 13.62 17.39 18 15 + Two-Speed Scroll
-Compressor System 17.02 $1,679.53 $500.00 $1595.21 $127.87 $6442.56 3400 $288 15.00 $9,646 $9,241 $8,634 11.44 13.09 16.72 19 15 + Variable-Speed Scroll-Compressor stem 19.62 $1,829.53 $650.00 $1595.21 $134.43 $6870.62 2949 $250 14.40 $9,649 $9,298 $8,772 10.97 12.56 16.04
1 Electricity cost = 0.085 $/ kWh (average cost in 1999 obtained from an interpolation of the 1995 and 2000 prices of electricity forecast in DOES 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
. Markup factor= 2.81. 3 Baseline unit includes: Evaporator. 6.00 sq.ft., 13 finafunch, Wavy Fins, 4 tube rows, Groove Tubes Condenser. 23.00 sq.ft., 20 fins/inch, Slit Fins, 2 tube rows, Smooth Tubes Compressor. Reciprocsti^ 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. 9/30/93 

### Life Cycle Costs and Payback Periods of5.lon, Split System CentralAir Conditioner
Incr. Installed Annual Annual Cumul. Lifecycle Costs Cumulative SEER Manufr Manufr Installation Maintenance Consumer E1ec. 

### Energy Payback: Cost ofConservedEnergy Leve Design 

### Option Cost Cost Cost Cost Cost use cost Period (1992$) (cents/kWh) Btuh/W (1992$) (1992$) (1992$) (1992$) (1992$) k:Wh/yr (1992$) (years) 4% 6% 10% 4% 6% loqro 

### 0 Bueline 10.ot $666.00 

# - $1494.33 $46.69 $341248 5783 $490 NA $8,862 $8,173 $7,141 NA NA NA 1 

## o+Backward Inclined Indoor

### Blower 10.29 $666.02 $0.02 $1494.33 $46.69 $341254 5625 $477 0.00 $8,714 $8,Q43 $7,039 0.00 0.00 0.00 2 1

### +Evaporator SlitFins 10.38 $666.23 $0.21 $1494.33 $46.69 $3413.13 5576 $473 0.04 $8,668 $8,003 $7,008 0.03 0.Q3 0.04 3 2 

### +Scroll Coqwessor: 11.30EBR 11.88 $690.87 $24.64 $1494.33 $46.69 $3482.36 4871 $413 0.90 $8,073 $7,492 $6,623 0.69 0.79 1.01 4 3 

### +

### Tune Delay Relay 12.34 $697.37 $6.50 $1494.33 $46.69 $3500.63 4689 $397 0.95 $7,919 $7,361 $6,523 0.72 0.83 1.06 5 4

### +MoreEfficientEvaporatorPSC Fan Motor (68.5% 12.65 $707.14 $9.77 $1494.33 $39.08 $3520.47 4573 $388 1.05 $7,830 $7,285 $6,469 0.80 0.92 1.17 6 5

### +Non-BleedThermostatic

### Expansion Valve 1297 $714.72 $7.58 $1494.33 $39.08 $3541.77 4462 $378 1.15 $7,746 $7,215 $6,418 0.88 1.01 1.29 7 6 

### +More Efficimt

### CondenserPSC Fan Motor (65.0%) 13.09 $721.02 $6.30 $1494.33 $31.47 $3551.87 4420 $375 1.21 $7,718 $1,191 $6,402 0.92 1.05 1.35 8 7 

### +Increase Evaporlll(Jr Fin Density to 

### 14fpi 13.14 $72248 $1.46 $1494.33 $31.47 $3555.97 4405 $373 1.23 $7,708 $7,182 $6,396 0.94 1.07 1.37 9 8

### +Increase Evaporlll(JrFace Area to 

### 7.50 sq.ft. 13.53 $739.70 $17.22 $1504.62 $31.47 $3614.65 4276 $362 1.58 $7,644 $7,134 $6,371 1.21 1.38 1.76 10 9 

### +Condenser 

### GroovedTubes 13.69 $756.52 $16.82 $1504.62 $31.47 $3661.91 4226 $358 1.89 $7,644 $7,141 $6,386 1.44 1.65 2.11 11 

### 10 

### +Increase CondenserFace Area to 

### 27.60 sq.ft. 13.95 $788.74 $32.22 $1535.49 $31.47 $3783.32 4148 $352 268 $7,693 $7,198 $6,458 2.04 2.34 2.98 12 11 

### +Increase CondenserFace Area to 

### 36.50 sq.ft. 14.22 $850.40 $61.66 $1595.21 $31.47 $4016.30 4069 $345 4.16 $7,851 $7,366 $6,640 3.17 3.63 4.63 i3 12

### +EvaporalOrECM FanMotor 14.84 $1,030.66 $180.26 $1595.21 $47.09 $4538.45 3899 $330 7.05 $8,213 $7,748 $7,052 5.38 6.15 7.86 14 13 

### +Electronic Expansion Valve 15.04 $1,106.83 $76.17 $1595.21 $56.07 $4761.47 3847 $326 8.22 $8,387 $7,928 $7,242 6.27 7.17 9.16 15 14 

### +CondenserECM Fan Motor 15.11 $1,179.53 $7270 $1595.21 $63.68 $4973.37 3830 $325 9.43 $8,583 $8,126 $7,442 7.19 8.23 10.51 16 15 

### +Two-Speed Recip-CompreslOl' System 16.76 $1,368.28 $188.75 $1595.21 $80.54 $5520.62 3452 $293 10.67 $8,773 $8,362 $7,746 8.13 9.31 11.89 17 15 

### +Variahlo-Speed Recip-CompreslOl' System 17.67 $1,779.53 $600.00 $1595.21 $132.24 $6727.93 3275 $278 15.60 $9,815 $9,424 $8,840 11.89 13.62 17.39 18 15 

### +Two-Speed Scroll-CompreslOl' System 17.02 $1,679.53 $500.00 $1595.21 $127.87 $644256 3400 $288 15.00 $9,646 $9,241 $8,634 11.44 13.09 16.72 19 1 

### S+Variahlo-Speed Scroll-Compressor System 19.62 $1,829.53 $650.00 $1595.21 $134.43 $6870.62 2949 $250 14.40 $9,649 $9,298 $8,772 10.97 12.56 16.04 Assu!lJlllions;



### 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 Outloolc 

### 1993, inflated to 

### 1992dollars). The 

### interpolated value for 1999 is 0.082 $/kWh (1991$) or 0.085 after 

### adjusting for inflation from 1991 to 

### 1992The 

### electricity price enduse factor for CAC is 1.0 (no adjuS1ment). 2 Lifetime = 

### 15 years. Markup factor

# = 281. 3 Buelineunitincludes; Evaporator: 6.00 sq.ft., 13 finI/inCh, 

### Wavy Fins, 4tube rows, Groove Tubes Condenser: 23.00 sq.ft., 20 finsfmch, 

### SlitFins, 2 tube rows, SmoothTubes Compressor: Reciplocalin&. 10.49EBR (nominal); 

### Accumullll(Jr EvaporatorFanMotor: PSC, 58.5% efficient Condenser 

### Fan Motor: PSC, 

### 55.0% effICient EnhancementDevices: None 4 Non-BleedThermostatic Expansion Valve replaces theneed

### for aTime Delay Relay. 5 Maximum Sensible HeatRatio 

### =76.5% 6 Evaporlll(JrECM FanMotor is mJdulated. Cost of

### fan motor

### includes electronic modulating controls. 7 CondenserECM Fan Motor is run at 

### a single speed.

# 9/29/93 

# Life Cycle Cost for 5-ton Split System Central Air Conditioner$9,500 -i19 $9,000 -I

$7,500 - - 

# 6% discount rate

$7,000 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 

# $9,500

$9,000

..:l 

# $8,000

$7,500

$7,000 9.0 9/29/93 

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

# 1-0-- 6% discount rate I



# ·0

3 4 12 5 11

10.0 11.0 12.0 13.0 14.0 15.0 16.0 

# SEER 17 18 19

17.0 18.0 19.0 20.0

# 9/29/93 

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

$8,200 U $7,800 N 4% discount rate - - - - 6% discount rate •- - - - 10% discount rate

N

•-• 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 $9,800 $9,400 $9,000 $8,600



# -**~** $8,200**~** 

# .... 

# -- U 

# $7,800 U**~** 

# $7,400 $7,000 $6,600 $6,200 9.0 10.0 9/29/93 

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

--0- 

# 4% discountrate

- - i:s. - - 

# 6% discount rate

- - - - +- - - - 

# 10% discount rate

, 

## , 

## , , 

## ,+



# 11.0 12.0 13.0 

# 14.0 15.0 

# SEER 16.0 

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17.0 18.0 19.0 20.0

### Life Cycle Costs and Payback Periods of 3-ton, Split System Central Heat Pump 9/17/93
Ina. Installed Annual Bloc Use Annual Cumul. Lifecycle Costs Cumulative SEER HSPF Manufr Manuf'r Installation Maintenance consumer Cooling Heating Energy Payback Cost of Conserved Energy Lev Design Option Cost Cost Cost cost cost cost Period (1992$) (cents/kWh) Btuh/W Btuh/W (1992$) (1992$) (1992$) (1992$) (1992$) kWh/ kWWh/yr (1992$) (years) 4% 6% 10% 4% 6% 10% 0 Baseline 10.00 6.89 $677.00

- $902.53 $46.69 $2743.27 3651 8,132 $999 NA $13,848 $12,444 $10,340 NA NA NA 1 0+ Backward Inclined Indoor Blower 10.30 7.00 $677.00 $0.00 $902.53 $46.69 $2743.27 3544 8,011 $979 0.00 $13,633 $12,256 $10,193 0.00 0.00 0.00 2 1 + Indoor Coil Slit Fins 10.43 7.11 $677.03 $0.03 $902.53 $46.69 $2743.35 3500 7,889 $965 0.00 $13,476 $12,119 $10,085 0.00 0.01 0.01 3 2 + Increase Indoor Coil Fin Density to 14 fpi 10.47 7.13 $677.69 $0.66 $902.53 $46.69 $2745.10 3486 7,858 $962 0.05 $13,435 $12,083 $10,058 0.10 0.11 0.15 4 3 + More Efficient Indoor PSC Fan Motor (68.5%) 10.72 7.22 $684.89 $7.20 $902.53 $39.08 $2756.57 3406 7,760 $946 0.25 $13,279 $11,948 $9,955 0.49 0.56 0.71 5 4 + More Efficient Outdoor PSC Fan Motor (65.0% 10.83 7.32 $691.19 $6.30 $902.53 $31.47 $2765.66 3372 7,658 $935 0.35 $13,160 $11,845 $9,876 0.72 0.82 1.05 6 5 + Time Delay Relay 11.17 7.47 $697.69 $6.50 $902.53 $31.47 $2782.88 3268 7,506 $913 0.46 $12,937 $11,652 $9,729 0.93 1.06 1.36 7 6+ Reciprocating Compressor 11.26 EER 11 .69 7.68 $708.68 $10.99 $902.53 $31.47 $2812.00 3125 7,295 $883 0.59 $12,632 $11,390 $9,530 1.17 1.34 1.72 8 7 + Increase Indoor Coil Face Area to4.97 sq.ft. 12.41 7.97 $722.05 $13.37 $912.27 $31.47 $2857.17 2941 7,037 $846 0.74 $12,261 $11,071 $9,290 1.44 1.65 2.11 9 8 + Demand Defioat 12.41 8.20 $733.55 $11.50 $912.27 $31.47 $2887.65 2941 6,832 $828 0.85 $12,098 $10,933 $9,188 1.83 2.09 2.67 10 9 + Outdoor Coil Grooved Tuba 12.73 8.24 $740.52 $6.97 $912.27 $31.47 $2906.12 2869 6,803 $820 0.91 $12,021 $10,868 $9,142 1.87 2.14 2.74 11 10 + Increase Indoor Coil Face Area to 6.39 sq.ft
. 13.12 8.40 $755.60 $15.08 $922.01 $31.47 $2955.82 2782 6,674 $802 1.08 $11,868 $10,741 $9,052 2.20 2.52 3.22 12 11+Scroll Casnpressor. 11.50EER 13.70 8.50 $774.58 $18.98 $922.01 $31.47 $3006.12 2665 6,591 $785 1.23 $11,729 $10,626 $8,974 2.40 2.74 3.50 13 12 + Nan-Blood Thermostatic Expansion Valves 14.04 8.73 $787.03 $12.45 $922.01 $31.47 $3039.11 2600 6,422 $765 1.26 $11,541 $10,466 $8,855 2.53 2.90 3.70 14 13 + Increase Outdoor Coil Fee* Area to 21.00 sq.ft 14
.78 9.06 $811.89 $24.86 3962.27 $31.47 $3145.25 2471 6,184 $734 1.52 $11,302 $10,270 $8,725 3.06 3.51 4.48 15 14 + Increase Indoor Coil Face Area to 7.50 sq.ft. 15.00 9.13 $822.19 $10.30 $969.88 $31.47 $3180.16 2434 6,139 $727 1.61 $11,259 $10,238 $8,707 3.23 3.70 4.72 16 15 + Increase Indoor Coil Tube Density to 4 rows 15.12 9.20 $844.58 $22.39 $969.88 $31.47 $3239.49 2416 6,092 $721 1.79 $11,257 $10,243 $8,724 3.61 4.13 5.28 17 16 + Increase Outdoor Coil Fate Area to 30
.00 sq.ft 15.48 9.32 $890.19 $45.61 $1030.27 $31.47 $3420.75 2359 6,018 $710 2.35 $11,314 $10,316 $8,821 4.71 5.40 6.89 18 17 + Outdoor ECM Fan Motor 15.59 9.45 $962.89 $72.70 $1030.27 $39.08 $3621.01 2343 5,935 $702 2.95 $11,422 $10,435 $8,958 6.03 6.91 8.82 19 18+ Electronic Expansion Valve 15.79 9.50 $1,011.23 $48.34 $1030.27 $48.06 $3758.09 2313 5,904 $696 3.36 $11,502 $10,522 $9,055 6.82 7.81 9.97 20 19 + Indoor ECM Fan Motor 16.36 9.56 $1,152.53 $141.30 $1030.27 $63.68 $4148.16 2232 5,865 $686 4.50 $11,779 $10,814 $9,368 8.91 10.19 13.02 21 20+Two-Speed Recip-CompresaorSystem 17.90 9.60 $1,332.79 $180.26 $1030.27 $77.62 $4639.79 2040 5,837 $668 5.73 $12,062 $11,124 $9,718 10.59 12.12 15.47 22 20+Variable-Speed Recip-Canpressor Syatern 18.24 10.01 $1,744.04 $591.51 $1030.27 $123.47 $5775.45 2002 5,601 $644 8.56 $12,941 $12,034 $10,677 16.54 18.93 24.17 23 20+Two-Speed Scroll-Compressor System 18.48 10.19 $1,644.04 $491.51 $1030.27 $119.10 $5506.08 1976 5,500 $634 7.57 $12,552 $11,661 $10,326 14.84 16.99 21.69 24 Variable-Specd Scroll-Can 'rS ten 20.83 11.01 $1,794.04 $641.51 $1030.27 $125.66 $5910.14 1753 5,089 $580 7.56 $12,358 $11,543 $10,321 15.00 17.18 21.93 Assumptions: 1 Electricity cost - 0.085 $/kWh (avenge cost in 1999 obtained from an interpolation of the 1995 and 2000 prices of electricity forecast in DOE's Annual Energy Outlook 1993 , inflated to 1992 dollars). The interpolated value for 1999 is 0.082 S/kWh (1991$) 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 s 15 years. Markup factor - 2.65. 3 Baseline unit includes: Indoor Coil: 3.55 sq.ft., 13 ins/inch, Wavy Fins, 3 tube rows, Groove Tubes Outdoor Coil: 15. 00 sq.IL, 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 Perfods of3-ton, Split System Central Heat Pump
Incr. 

### Installed Annual Elce Use Annual Cumul. lifecycle Costs SEER 

### HSPF Manufr Manufr Installatioo Maintatance COIIIIumcr Cooling Heating Energy Payback Level DecipOptioo Cost Cost Cost Cost cost cost Period (1992$) 

### Btub/W Btub/W (1992$) (1992$) (1992$) (1992$) (1992$) kWh/yr kWh/yr (1992$) (years) 4% 6% 0 Baseline 10.00 6.89 $677.00 

# - $90253 $46.69 $2743.27 3651 8,132 $999 NA $13,848 $12,444 1 0+ Backward Inclined IndoorBlower 10.30 7.00 $677.00 $0.00 $90253 $46.69 $2743.27 3544 8,011 $979 0.00 $13,633 $12,256 2 1 + Indoor Coil Slit

### FinI 10.43 7.11 $677.03 $0.03 $90253 $46.69 $2743.35 3500 7,889 $965 0.00 $13,476 $12,119 3 2 +IncreJllC Indoor Coil 

## rill Dcnoity to 14 fpi 10.47 7.13 $677.69 $0.66 $90253 $46.69 $2745.10 3486 7,858 $962 0.05 $13,435 $12.083 4 3 + More Efficient Indoor PSC Fan Motor (68.5%) 10.72 7.22 $684.89 $7.20 $90253 $39.08 $2756.57 3406 7,760 $946 0.25 $13,279 $11,948 5 4 + More Efficiatt OutdoorPSC Fan 

### Motor (65.0% 10.83 7.32 $691.19 $6.30 $90253 $31.47 $2765.66 3372 7,658 $935 0.35 S13,16O $11,845 6 5 +Time DeIlY Relay 11.17 7.47 $697.69 $6.50 $90253 $31.47 $278288 3268 7,506 $913 0.46 $12,937 $11,652 7 6 +Reciprocating Comprcuor: 11.26EER 11.69 7.68 $708.68 $10.99 $90253 $31.47 $281200 3125 7,295 $883 0.59 $12,632 $11,390 8 7 +IncreJllC Indoor Coil Face Area to4.97 aq.ft. 12.41 7.97 $72205 $13.37 $91227 $31.47 $2857.17 2941 7,037 $846 0.74 S12,261 $11,071 

### 9 8 

### +Demand Defrost 12.41 8.20 $733.55 $11.50 $91227 $31.47 $2887.65 2941 6,832 $828 0.85 $12,098 $10,933 10 9 + Outdoor Coil Grooved Tubel 12.73 8.24 $740.52 $6.97 $91227 $31.47 $2906.12 2869 6,803 $820 0.91 $12,021 $10,868 11 10+Increase Indoor Coil Face 

### Area to 6.39 aq.ft. 13.12 8.40 $755.60 $15.08 $92201 $31.47 $2955.82 2782 6,674 $802 1.08 $11,868 $10,741 12 11 + Scroll Comprcuor: 11.50EER 13.70 8.50 $774.58 $18.98 $92201 $31.47 $3006.12 2665 6,591 $785 1.23 $11,729 S10,626 i3 12 + Noo-BI-tThermostatic &palllionValvN 14.04 8.73 $787.03 $12.45 $92201 $31.47 $3039.11 2600 6,422 $765 1.26 $11,541 $10,466 14 13 

### +Increllc Outdoor Coil Face

### Area to21.00 aqJt 14.78 9.06 $811.89 $24.86 $962.27 $31,47 $3145.25 2471 6,184 $734 1.52 $11,302 $10,270 15 14 + Incrca.e Indoor Coil Face 

### Area to

### 7.SO aq.ft. 15.00 9.13 $822.19 $10.30 $969.88 $31.47 $3180.16 2434 6,139 $727 1.61 $11,259 $10,238 16 15 + Increase Indoor Coil TubeDensity to4 roWi 15.12 9.20 $844.58 $22.39 $969.88 $31.47 $3239.49 2416 

### 6,092 $721 1.79 511,257 $10,243 17 16 + Increase Outdoor Coil Facc

### Area to30.00 aqJ\ 15,48 9.32 $890.19 $45.61 $1030.27 $31.47 $3420.75 2359 6,018 $710 2.35 $11,314 $10,316 18 17 + Outdoor ECM Fan Motor 15.59 9.45 $96289 $72.70 $1030.27 $39.08 $3621.01 2343 5,935 $702 2.95 Sl1,422 $10,435 19 18 + Electronic Expansioo Valve 15.79 9.50 $1,011.23 $48.34 $1030.27 $48.06 

### $3758.09 2313 5,904 $696 3.36 SII,502 SI0,522 20 19 + IndoorECM Fan Motor 16.36 9.56 $1,152.53 $141.30 $1030.27 $63.68 $4148.16 2232 5,865 $686 4.50 $11,779 510,814 21 20 +Two-Speed Rccip-Comprcasor SYJtan 17.90 9.60 $1,332.79 5180.26 51030.27 $77.62 $4639.79 2040 5,837 $668 5.73 $12,062 SII,I24 22 20 +Variab1e-Sp-tRccip-Comprcasor System 18.24 10.01 $1,744.04 $591.51 S1030.27 $123.47 $5775.45 2002 5,601 $644 8.56 $12,941 $12,034 23 20 +Two-Speed Scroll-ComprcasorSystem 18.48 10.19 $1,644.04 $491.51 $1030.27 $119.10 $5506.08 1976 5,500 $634 7.57 S12,552 $11,661 24 20 + Variab1e-Sp-t Scroll-ComprcasOrSyatem 20.83 11.01 $1,794.04 $641.51 $1030.27 $125.66 $5910.14 1753 5,089 $580 7.56 $12,358 $11,543 Assl!!IJptiO!Jl'

1 Electricity cost.0.085 $!1cWh (average costin 1999 obtained from an intctpolatim oftile 1995 and 2000 prices ofelectricity forecast in DOE's Annual EnC'KY Outlook 1993, inflated to 1992 dollars). TheinIcrpolated value for 1999 is 0.082 $!1cWh (1991$) or0.085 aft
...adjusting for inflation from 1991 to 1992 The electricity price enduse factor for CAC is 1.0 (no adjustment). 2 Lifetime

- 15 ycara. Mukup factor. 2.65. 3 Baseline unit includes: Indoor Cni1: 3.55 aq.ft.. 13 fimlinch, Wavy 

### FinI, 3 tube rows, Groove Tubes Outdoor

### Coil: 15.00 aq.ft., 20fim/inch, Slit

### rlnS, I tube row, Smooth Tubes Compressor: Reciprocating, 10.80EER (nominal); Accumulator Ind'oor Fan Motor: PSC. 58.5% efficient
. Outdoor Fan Motor: PSC. 55.0% efficient Enhancement Devices: None 4 All Two-Speed and Variable-Sp-t CompressorSyttcmsinclude an Accumulator. 5 Maximwn SensibleHeat Ratio.76.5% 6 Noo-Blced Thcunostatic ExpmGonValYN replacc then-tfor a Time Delay Relay 

### and an Accumulator. 7 EvaporatorECM Fan Motor ill modulated. Costoffan motorincludca electronicmodulating CIllltrols. CondenserECM Fan Motor is run at a sinsIe sp-t. 10% $10,340 $10,193 $10,085 $IO,OS8 $9,955 $9,876 59,729 S9,530 59,290 $9,188 $9,142 $9,052 $8,974 $8,855 $8,725 $8,707 58,724 S8,821 58,958 $9,055 $9,368 S9,718 $10,677 $10,326 S1O,321 9/17/93

Cumulative Cost ofConserved Energy (ccnt.s/kWh) 4% 6% 10% NA NA NA 0.00 0.00 0.00 0.00 0.01 0.01 O.W 0.11 (l.IS 0.49 0.56 0.71 0.72 0.82 1.05 0.93 1.06 1.36 1.17 1.34 1.72 1.44 1.65 2.11 1.83 2.09 2.67 1.87 2.14 2.74 2.20 2.52 3.22 240 2.74 3.50 2.53 2.90 3.70 3.06 3.51 4.48 3.23 3.70 4.72 3.61 4.13 5.28 4.71 5.40 6.89 6.03 6.91 8.82 6.82 7.81 9.97 8.91 10.19 13.02 10.59 1212 15.47 16.54 18.93 24.17 14.84 16.99 21.69 15.00 17.18 21.93

# 9/17/93 

# Life Cycle Cost for 3-ton Split System

Central Heat Pump $12,500 -r 

# 6% discount rate$12,000 -E16
7 

## U U a 

# $11,500 -}

$11,000 -^-
$10,500 -^- 24

17 15 $10,000 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 9/17/93 

# Life Cycle Cost for 

# 3-ton Split System Central Heat Pump 

# I-------[}--- 6% discount rate 

# I 22

# 9/17/93 

# Life Cycle Cost for 3-ton Split System

Central Heat Pump $14,000 $13,500 $13,000 $12,500 $12,000 609. 

# .' $11,500 aN 7 V $11,000 

# a $10,500 $10,000 $9,500 $9,000 $8,500 9.0 6,



# N N -d



# 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 - - - - 6% discount rate - +- - - - 10% discount rate

10.0 

# 11.0 12.0 '+ 

# 9/17/93 

# Life Cycle Cost for 3-ton Split System Central Heat Pump

-0- 

## 4% 

# discountrate

- - -6
- - 

# 6% discountrate

- - - - +- - - - 

# 10% discountrate

+- .. , 

## -+ ,. ---+,**'~** 

# '+- - --+- ..-'+ 

# 13.0 

# 14.0 15.0 16.0 17.0 

# SEER 

# 18.0 19.0 

# 20.0 21.0

### Life Cycle Costs and Payback Periods of 5-ton, Split System Central Heat Pump 9/29/93

Incr. Installed Annual Elec Use Annual Cumul. Lifecycle Costs Cumulative SEER HSPF Manufr Manufr Installation Maintenance Consumer Cooling Heating Energy Payback Cost ofConserved Energy Level Design Option Cost Cost Cost Cost cost cost Period (1992$) (cents/kWh) Btuh/W Btuh/W (1992$) (1992$) (1992$) (1992$) (1992$) kWh/ kWh/ (1992$) (years) 4% 6% 10% 4% 6% 15%- 0 Baseline 10.00 7.09 $934.00

- $1161.54 $46.69 $3954.19 5798 13,556 $1,640 NA $22,193 $19,886 $16,431 NA NA NA 1 0+ Backward Inclined Indoor Blower 10.30 7.21 $934.03 $0.03 $1161.54 $46.69 $3954.28 5629 13,328 $1,607 0.00 $21,820 $19,560 $16,176 0.00 0.01 0.01 2 1 + Indoor Coil Slit Fins 10.38 7.27 $934.25 $0.22 $1161.54 $46.69 $3954.93 5584 13,211 $1,593 0.02 $21,667 $19,427 $16,072 0.03 0.04 0.05 3 2+ Time Delay Relay 10.68 7.40 $940.75 $6.50 $1161.54 $46.69 $3974.04 5429 12,981 $1,560 0.25 $21,323 $19,129 $15,842 0.48 0.55 0.71 4 3+Scroll Compressor: 11.30EER 12.30 7.80 $965.13 $24.38 $1161.54 $46.69 $4045.71 4715 12,320 $1,444 0.47 $20,100 $18,069 $15,028 0.76 0.87 1.11 5 4 + More Efficient Outdoor PSC Fan Motor (65.0% 12.42 7.89 $971.43 $6.30 $1161.54 $39.08 $4056.62 4666 12,176 $1,428 0.48 $19,929 $17,922 $14,915 0.81 0.93 1.19 6 5 + Increase Indoor Coil Fin Density to 14 fpi 12.46 7.93 $973.16 $1.73 $1161.54 $39.08 $4061.71 4653 12,117 $1,421 0.49 $19,865 $17,866 $14,873 0.84 0.97 1.23 7 6+More EfficiettIndoor PSCFan Motor (68.5%) 12.81 8.04 $982.92 $9.76 $1161.54 $31.47 $4082.80 4525 11,946 $1,396 0.53 $19,605 $17,642 $14,702 0.91 1.04 1.33 8 7 + Demand Defrost 12.81 8.29 $994.42 $11.50 $1161.54 $31.47 $4116.61 4525 11,598 $1,367 0.59 $19,311 $17,389 $14,511 1.15 1.31 1.68 9 8+Non-Bleed Themostatic Expansion Valves 13.13 8.53 $1,016.08 $21.66 $1161.54 $31.47 $4180.29 4415 11,266 $1,329 0.73 $18,958 $17,089 $14,290 1.47 1.68 2.15 10 9 + Increase Indoor Coil Face Area to 7.50 sq.ft. 13.51 8.63 $1,033.92 $17.84 $1171.83 $31.47 $4243.03 4292 11,137 $1,308 0.87 $18,783 $16,944 $14,190 1.73 1.97 2.52 11 10+ Outdoor Coil Grooved Tube 13.71 8.66 $1,048.28 $14.36 $1171.83 $31.47 $4285.25 4229 11,102 $1,299 0.97 $18,733 $16,906 $14,169 1.90 2.17 2.78 12 11 + Increase Outdoor Coil Face Area to 27.30 sq 14.17 8.89 $1,106.40 $58.12 $1224.17 $31.47 $4508.46 4093 10,807 $1,263 1.47 $18,550 $16,774 $14,114 2.92 3.35 4.27 13 12+ Electronic Expansion Valve 14.37 8.94 $1,154.74 $48.34 $1224.17 $40.45 $4659.56 4036 10,747 $1,253 1.82 $18,591 $16,829 $14,190 3.60 4.12 5.26 14 13 + Outdoor ECM Fan Motor 14.44 9.05 $1,227.44 $72.70 $1224.17 $48.06 $4880.91 4014 10,616 $1,240 2.31 $18,668 $16,925 $14,313 4.67 5.35 6.83 15 14 + Increase Outdoor Coil Fate Area to 36.50 sq 14.63 9.13 $1,295.30 $67.86 $1285.90 $48.06 $5142.15 3963 10,527 $1,228 2.88 $18,797 $17,070 $14,484 5.82 6.67 8.51 16 15+ Indoor ECM Fan Motor 15.35 9.22 $1,475.55 $180.25 $1285.90 $63.68 $5687.71 3778 10,419 $1,203 3.97 $19,066 $17,374 $14,840 7.72 8.84 11.28 17 16+Two-SpeedRe ip- Compressor Systen 16.98 9.23 $1,664.30 $188 .75 $1285.90 $80.83 $6259.78 3415 10,409 $1,172 4.92 $19,287 $17,639 $15,171 8.70 9.96 12.72 18 16+Variab1e

-SpeedRecip•Compressor System 17.16 9.78 $2,075.55 $600.00 $1285.90 $133.11 $7521.14 3378 9,831 $1,120 6.85 $19,969 $18,394 $16,037 13.26 15.18 19.38 19 16+Two-Speed Scroll-Compressor System 17.30 10.02 $1,975.55 $500.00 $1285.90 $128.74 $7222.77 3352 9,586 $1,097 6.01 $19,415 $17,873 $15,564 12.02 13.76 17.57 20 Variable Speod Scroll-Cam renor System 19.16 10.31 $2,125.55 $650.00 $1285.90 $135.29 $7670.32 3026 9,322 $1,047 6.26 $19,306 $17,835 $15,631 12.06 13.80 17.62 Awumgtionse 1 Electricity cost - 0
.085 S/ kWh (avenge cost in 1999 obtained from an interpolation of the 1995 and 2000 prices of electricity forecast in D OE's Annual Energy Outlook 1993, inflated to 1992 dollars). The interpolated value for 1999 is 0.082 S/kWh (1991$) or 0
.085 after adjusting for inflation hose 1991 to 1992
. The electricity price mduse factor for CAC is 1.0 (no adjustment). 2 Lifetime - 15 years
. Markup factor - 2.94. 3 Baseline unit includes: Indoor Coil: 6.00 sq fL, 13 fins/utch, Wavy Fins, 4 tube rows, Groove Tubes Outdoor Coil: 195 sq.fl., 20 fins/ mdr, Slit Fine, 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 Thmnostatic 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 Condense ECM Fan Motor is run at a single speed. 

### Lire Cycle Costs and Payback Periods ofS-ton, Split System Central Heat Pump
Ina. Insullcd Annual Elee Usc Annual Cumul. Lifecycle COIIII SEER HSPF Manufr Manufr Installation Maintenance Consumer Cooling Heating Energy Payback Lovel Design Option Cost Cost Cost Cost Cost cost Period (1992$) Btuh/W Btuh/W (1992$) (1992$) (1992$) (1992$) (1992$) kWblyr kWblyr (1992$) (yean) 4% 6% 0 Baseline 10.00 1.09 $934.00 

# - $1161.54 

### $46.69 $3954.19 5198 13,556 $1.640 

### NA $22.193 $19.886 1 

## o+Backward Inclined IndoorBlower 10.30 1.21 $934.03 $0.03 $1161.54 

### $46.69 $3954.28 5629 13,328 $1.601 0.00 $21.820 $19,560 2 1 +Indoor Coil SlitFins 10.38 1.21 $934.25 $0.22 $1161.54 

### $46.69 $3954.93 5584 13.211 $1,593 0.02 $21.667 $19,421 3 2 +TuneDelay Relay 10.68 7.40 $940.15 $6.50 $1161.54 

### $46.69 $3974.04 5429 12.981 $1,560 0.25 $21,323 $19.129 4 3 + Scroll Compressor: 11.30

### HER 12.30 7.80 $965.13 $24.38 $1161.54 

### $46.69 $4045.71 4715 12,320 $1.444 0.47 $20.100 $18.069 5 4 + More Efficient

### OutdoorPSC Pan Motor (65.0% 12.42 7.89 $971.43 $6.30 $1161.54 $39.08 $4056.62 4666 12.176 $1,428 0.48 $19.929 $17.922 6 5 + Increase Indoor CoilFin Density 10 14 fpi 12.46 1.93 $973.16 $1.13 $1161.54 $39.08 $4061.71 4653 12.117 $1,421 0.49 $19.865 $17.866 7 6 + More EfficientIndoorPSC Pan Motor (68.5%) 12.81 8.04 $982.92 $9.16 $1161.54 $31.47 $4082.80 4525 11.946 $1,396 0.53 519.605 $17.642 8 7 +

### Demand 

### DefroIt 12.81 8.29 $994.42 $11.50 $1161.54 $31.47 $4116.61 4525 11.598 $1,361 0.59 519,311 $17,389 9 8 + Non-Bleed

### Thenno&tatic Expanaion Valves 13.13 8.53 $1.016.08 $21.66 $1161.54 $31.47 $4180.29 4415 11.266 $1,329 0.73 S18.958 $17.089 10 9 + Increase Indoor CoilPaco Area 10 7.s0 sq.ft.. 13.51 8.63 $1.033.92 $17.84 $1171.83 $31.47 $4243.03 4292 11.137 $1,308 0.87 S18.783 $16.944 11 10+ Outdoor Coil 

### GroovedTubca 13.71 8.66 $1,048.28 $14.36 $1171.83 $31.47 $4285.25 4229 11,102 $1.299 0.97 S18.733 $16,906 12 11 + Increase Outdoor CoilPaco Area 1027.30 sq.f\.. 14.17 8.89 $1,106.40 $58.12 $1224.17 $31.47 $4508.46 4093 10.807 $1,263 1.47 $18,550 $16,774 13 12 + Electronic Expanaion Valve 14.37 8.94 $1,154.74 $48.34 $1224.17 $40.45 $4659.56 4036 10,747 $1,253 1.82 $18,591 $16,829 14 13 + Outdoor ECMFan Motor 14.44 9.05 $1,227.44 $72.70 $1224.17 $48.06 $4880.91 4014 10.616 $1,240 2.31 $18.668 $16.925 15 14 + Increase Outdoor Coil Faco Area 10 36.50 sq.f\.. 14.63 9.13 $1.295.30 $67.86 $1285.90 $48.06 $5142.15 3963 10,527 $1,228 2.88 $18,797 $17,070 16 15 + IndoorECM Pan Motor 15.35 9.22 $1,475.55 $180.25 $1285.90 $63.68 $5687.71 3778 10.419 $1,203 3.97 519,066 $17,374 17 16 + Two-Speed Rccip-Ccmpresaor System 16.98 9.23 $1.664.30 $188.75 $1285.90 $80.83 $6259.78 3415 10.409 $1,172 4.92 S19.287 $17.639 18 16 + Vtriable-Speed Recip-Comprellor System 17.16 9.78 $2,075.55 $600.00 $1285.90 $133.11 $7521.14 3378 9.831 $1,120 6.85 $19,969 $18,394 19 16 + Two-Speed Scroll-Compreasar System 17.30 10.02 $1,975.55 $500.00 $1285.90 $128.74 $7222.77 3352 9,586 $1,091 6.01 $19,415 $17,873 20 16 + Vtriable-Speed Scroll-CcmpreuorSystem 19.16 10.31 $2,125.55 $650.00 $1285.90 $135.29 $7670.32 3026 9,322 $1.047 6.26 $19,306 $17,835 AssumptiO!ll;



### 1 Electricity cost • 0.085 $IkWh (average costin 

## i999 obtained 

### from an interpolation ofthe 1995 and 

### 2000 prices ofelect:icity forecast in DOE's Annual Energy Outlook 1993, inflated 10 1992 dollan). Theinterpolated value for 1999 is 0.082 $!kWh (1991 $) or0.085 after adjusting for inflation 

### from 199110 1992. The electricity price endusc factor for CAC is 1.0 (no adjustment). 2 Lifetime. 15 years. Marltup factor.2.94. 3 Baseline unit includea; Indoor Coil; 6.00 sq.ft., 13 

### finI/inch. Wavy Fins. 4 tuberows, Groove Tubes OutdoorCoil; 19.5 sq.ft... 20finl/inch. Slit Fins. 2 tube rows, Smooth Tubes Canpreasor. Reciprocating, 10.49 

### HER (ncminal); Accumulator IndoorFan Motor; PSC. 58.5% efficient Outdoor Fan Motor. PSC. 55.0% efficient Enhancement Devical; None 4 Maximum Scmib1e HeatRatio

- 76.5% 5 Non·Bleed Thermostatic Expansion Valves replace the need for aTime Delay Rclay; Accumulator still required due 10 excess refrigerant. 6 EvaporatorECM FmMotor iJ modulated. Cost offan motorincludes electronic modulating controls. 7 CoodenserECM Fan Motoris run at a single speed. 10% $16,431 $16.116 $16.072 $15.842 $15.028 $14.915 $14.873 $14.702 $14.511 $14.290 $14,190 $14.169 $14.114 $14.190 $14.313 $14.484 $14.840 S15,171 $16,037 $15,564 $15,631 9/29/93

Cumulative Cost ofConsetVed Energy (centsAcWh) 4% 6% 10% NA NA NA 0.00 0.01 0.01 0.03 0.04 0.05 0.48 0.55 0.11 0.76 0.87 1.11 0.81 0.93 1.19 0.84 0.97 1.23 0.91 1.04 1.33 

### 1.15 1.31 1.68 1.47 1.68 2.15 1.73 1.97 2.52 1.90 2.17 2.78 2.92 3.35 4.27 3.60 4.12 5.26 4.67 5.35 6.83 5.82 6.67 8.51 7.72 8.84 11.28 8.70 9.96 12.72 13.26 15.18 19.38 12.02 13.76 17.57 12.06 13.80 17.62

# 9/29/93 

# Life Cycle Cost for 5

-ton Split System

Central Heat Pump

N $18,500

U T $18,000 

# 6% discount rate

20

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 0 $19,500 $19,000**~** 

# $18,500 0'\ 0'\ ,...j '-' 

# u 

# :s $18,000 $17,500 $17,000 $16,500 9.0 

# 10.0 11.0 9/29/93 

# Life Cycle Cost for 5-ton Split System Central Heat Pump



# ----- 6% discount rate I



# 18

7 8



# 10 12 12.0 13.0 14.0 15.0 16.0 17.0 

# SEER 18.0 19.0 20.0

# 9/29/93 

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

A



# $13,500 1 i i i i i i i i i 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 SEER $22,500 $21,500 $20,500 $19,500



# .-

# ~ $18,500**~ ~**  '-" 

## U 

# u $17,500 ,.,..J ., 

# $16,500 + 

# $15,500 $14,500 $13,500 9.0 10.0 11.0 9/29/93 

# Life Cycle Cost for 5·ton Split System Central Heat Pump

12.0 13.0 14.0 15.0 16.0 

# SEER -0-- 

# 4% discount rate

- - iJ. - - 

# 6% discount rate

- - - - +- - - - 

# 10% discountrate



# •

- - -+



# 17.0 18.0 19.0 20.09/28/93 

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

Level Design Option SEER Manufr Cost Incr
.

Manufr cost Installed Installation MaintenanceConsum cost cost Cost Annual Elec. use Annual

Energy cost Cumul
. Payback Period Lifecycle Costs

(1992$) Cumulative

Cost of Conserved Energy (cents/kWh) Btuh1W (1992$) (1992$) (1992$) 1992$ 1992$) kWb/ (1992$) (years) 4% 6% 10% 4% 6% 10% 0 Baseline 9.70 $474.00 - $1968.37 $46.69 $2953.58 3533 $299 NA $6,283 $5,862 $5,231 NA NA NA 1 0+ Backward Inclined Indoor Blower 9.97 $474.04 $0.04 $1968.37 $46.69 $2953.66 3440 $292 0.01 $6,196 $5,786 $5,172 0.01 0.01 0.01 2 1 + Evaporator Slit Fins 10.09 $474.13 $0.09 $1968.37 $46.69 $2953.84 3399 $288 0.02 $6,157 $5,752 $5,145 0.02 0.02 0.03 3 2 + Reciprocating Compressor: 10.91 EER 11 .00 $481.51 $7.38 $1968.37 $46.69 $2968.45 3118 $264 0.42 $5,907 $5,535 $4,979 0.32 0.37 0.47 4 3 + More Efficient Condenser PSC Fan Motor (65.0%) 11.12 $486.46 $4.95 $1968.37 $39.08 $2970.64 3083 $261 0.45 $5,876 $5,508 $4,958 0.34 0.39 0.50 5 4 + More Efficient Evaporator PSC Fan Motor (68.5% 11,38 $493.68 $7.22 $1968.37 $31.47 $2977.33 3013 $255 0.54 $5,816 $5,457 $4,919 0.41 0.47 0.60 6 5 + Time Delay Relay 11 .81 $500.18 $6.50 $1968.37 $31.47 $2990.20 2902 $246 0.68 $5,725 $5,380 $4,861 0.52 0.60 0.76 7 6+ Condenser Grooved T ubes 12.25 $506.13 $5.95 $1968.37 $31.47 $3001.98 2800 $237 0.78 $5,641 $5,307 $4,807 0.59 0.68 0.87 8 7 + Increase Evaporator Fin Density to 14 fpi 12.30 $506.88 $0.75 $1968.37 $31.47 $3003.46 2788 $236 0.79 $5,631 $5,298 $4,801 0.60 0.69 0.88 9 8 + Scroll Compressor . 11.50 EER /Non-Bleed TXV 13.11 $543.29 $36.41 $1968.37 $31.47 $3075.55 2616 $222 1.57 $5,541 $5,229 $4,762 1.20 1.37 1.75 10 9+ Increase Evaporator Face Area to 6.60 sq.ft. 13.97 $565.51 $22.22 $1985.35 $31.47 $3136.53 2455 $208 2.00 $5,450 $5,157 $4,719 1.53 1.75 2.23 11 10+ Increase Condenser Face Area to 18
.03 sq.ft. 14.74 $586.24 $20.73 $2019.91 $31.47 $3212.14 2327 $197 2.53 $5,405 $5,128 $4,712 1.93 2.21 2.82 12 11 + Increase Evaporator Face Area to 7.50 sq.ft. 14.91 $594.35 $8.11 $2026.08 $31.47 $3234.36 2299 $195 2.68 $5,401 $5,127 $4,717 2.05 2.34 2.99 13 12+ Increase Condenser Face Area to 28.33 sq.ft. 15.35 $635.95 $41.60 $2095.19 $31.47 $3385.84 2234 $189 3.93 $5,492 $5,225 $4,826 2.99 3.43 4.38 14 13 + Evaporator ECM Fan Motor 15.91 $777.26 $141.31 $2095.19 $47.09 $3681.25 2155 $183 6.23 $5,712 $5,456 $5,071 4.75 5.44 6.94 15 14+ Electronic Expansion Valve 16.10 $853.43 $76.17 $2095.19 $56.07 $3841.05 2129 $180 7.46 $5,848 $5,594 $5,214 5.69 6.51 8.31 16 15 + Condenser ECM Fan Motor 16.25 $919.98 $66.55 $2095.19 $63.68 $3980.43 2109 $179 8.51 $5,968 $5,717 $5,340 6.49 7.43 9.48 17 16 + Two-Speed Recip-Compressor System 17.66 $1,100.67 $180.69 $2095.19 $76.66 $4351.18 1942 $165 10.36 $6,181 $5,950 $5,603 7.90 9.04 11.54 18 16 + Variable-Speed Recip

-Compressor System 18.03 $1,511.92 $591.94 $2095.19 $120.59 $5209.38 1902 $161 16.31 $7,002 $6,775 $6,436 12.44 14.24 18.18 19 16+Two-Speed Scroll-Compressor System 18.35 $1,411.92 $491.94 $2095.19 $116.22 $5007.01 1869 $158 14.56 $6,768 $6,546 $6,212 11.10 12.70 16.22 20 16+ Variablo-Speed Scroll-Coen sor System 20.55 $1,561.92 $641.94 $2095.19 $122.78 $5310.57 1668 $141 14.91 $6,883 $6,684 $6,386 11.37 13.01 16.62
Assumption:: t Electricity cat = 0
.085 3AWh (average cost in 1999 obtained from an interpolation of the 1995 and 2000 prices of electricity forecast in DOEs 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
. Markup factor =1.98. 3 Baseline unit includes: Evaporator: 4.13 sq.ft.,13 fins/inch, Wavy Fins, 3 tube rows, Groove Tubes Condenser: 12.88 sq.lt., 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 a-an at a single speed. 9/28/93 

### Life Cycle Costs and

### Payback Periods ofJ·lon, Single Package System Central Air Conditioner
Incr. Installed Annual Annual Cumul. Ufecycle Costs Cumulative SEER Manul'r Manufr Installation MaintenanceCOllSWllel Elee. Energy Payback**C~ofCo~ed~** Leve Design Option Cost Cost**C~** Cost Cost use cost Period (1992$) (cents/kWh) Btub,IW (1992$) (1992$) (1992$) (1992$) (1992$) kWh/yr (1992$) (years) 4% 6% 10% 4% 6% 10% 0 Baseline 9.70 $474.00 

# - $1968.37 $46.69 $2953.58 3533 $299 NA $6,283 $5,862 $5,231 NA NA NA 1 

## o + BackwlJd 

### 1Dc1lned IndoorBlower 9.97 $474.04 $0.04 $1968.37 $46.69 $2953.66 3440 $292 0.01 $6,196 $5,786 $5,172 0.01 0,01 0.01 2 1 + Evaporator Slit Fins 10.09 $474.13 $0.09 $1968.37 $46.69 $2953.84 3399 $288 0.02 $6,157 $5,752 $5,145 0,02 0.02 0.03 3 2+Reciprocating Compressor: 10.91 EER 11.00 $481.51 $7.38 $1968.37 $46.69 $2968.45 3118 $264 0.42 $5,907 $5,535 $4,979 0.32 0.37 0.47 4 3 + More Efficient Condenser

### PSC Fan Motor (65.0%) 11.12 $486.46 $4.95 $1968.37 $39.08 $2970.64 3083 $261 0.45 $5,876 $5,508 $4,958 0.34 0.39 

### O.SO 5 4 + More EfficientEvaporatorPSCFan Motor (68.5% 11.38 $493.68 $7.22 $1968.37 $31.47 $2977.33 3013 $255 0.54 $5,816 $5,457 $4,919 0.41 0.47 0.60 6 5 + Time Delay Relay 11.81 $500.18 $6.50 $1968.37 $31.47 $2990.20 2902 $246 0.68 $5,725 $5,380 $4,861 0.52 0.60 0.76 7 6 + Condenser Grooved TubeI 12.25 $506.13 $5.95 $1968.37 $31.47 $3001.98 2800 $237 0.78 $5,641 $5,307 $4,807 0.59 0.68 0.87 8 7 + Increase EvaporatorfinDensity to 14 

### !pI 12.30 $506.88 $0.75 $1968.37 $31.47 $3003.46 2788 $236 0.79 $5,631 $5,298 $4,801 0.60 0.69 0.88 9 8+ ScroD Compressor: l1.50EER/Non-Bleed TXV 13.11 $543.29 $36.41 $1968.37 $31.47 $3075.55 2616 $222 1.57 $5,541 $5,229 $4,762 1.20 1.37 1.75 10 9 + Increase EvaporatorFaceArea to 6.60 sq.ft. 13.97 $565.51 $22.22 $1985.35 $31.47 $3136.53 2455 $208 2.00 $5,450 $5,157 $4,719 1.53 1.75 2.23 11 10+ Increase CondenserFace Area to 18.03 sq.ft. 14.74 $586.24 $20.73 $2019.91 $31.47 $3212.14 2327 $197 2.53 $5,405 $5,128 $4,712 1.93 2.21 2.82 12 11 + Increase EvaporatorFace Area to 

### 7.SO sq.ft. 14.91 $594.35 $8.11 $2026.08 $31.47 $3234.36 2299 $195 2.68 $5,401 $5,127 $4,717 2.05 2.34 2.99 13 12+ Increase CondenserFace Area to 28.33 sq.ft. 15.35 $635.95 $41.60 $2095.19 $31.47 $3385.84 2234 $189 3.93 $5,492 $5,225 $4,826 2.99 3.43 4.38 14 13 + Evaporator ECM Fan Motor 15.91 $777.26 $141.31 $2095.19 $47.09 $3681.25 2155 $183 6.23 $5,712 $5,456 $5,071 4.75 5.44 6.94 15 14 + Eleclronlc

### Expansion Valve 16.10 $853.43 $76.17 $2095.19 $56.07 $3841.05 2129 $180 7.46 $5,848 $5,594 $5,214 5.69 6.51 8.31 16 15 + Condenser ECM Fan Motor 16.25 $919.98 $66.55 $2095.19 $63.68 $3980.43 2109 $179 8.51 $5,968 $5,717 $5,340 6.49 7.43 9.48 17 16 + Two-Speed Recip-COIIlJlR'IOI' Systall 17.66 $1,100.67 $180.69 $2095.19 $76.66 $4351.18 1942 $165 10.36 $6,181 $5,950 $5,603 7.90 9.04 11.54 18 16 + Variable-Speed**Reci~Compressor** System 18.03 $1,511.92 $591.94 $2095.19 $120.59 $5209.38 1902 $161 16.31 $7,002 $6,TI5 $6,436 12.44 14.24 18.18 19 16 + Two-Speed ScroD-CompreslOl' System 18.35 $1,411.92 $491.94 $2095.19 $116.22 $5007.01 1869 $158 14.56 $6,768 $6,546 $6,212 11.10 12.70 16.22 20 16 + Variable-Speed Scroll-Compressor System 20.55 $1,561.92 $641.94 $2095.19 $122.78 $5310.57 1668 $141 14.91 $6,883 $6,684 $6,386 11.37 13.01 16.62 AlIsumptiqos·

1 Electricity cost ..0.085 $,/kWh (average cost In 1999 obtained from an Interpolation ofthe 1995 and 2000 prices ofeleclricity forecast in DOE's Annual Energy Outlook 1993, inflated to 1992 doDan). The Interpolated value for 1999 is 0.082 $/kWh (1991$) or0.085 after adjusting for inflation from 1991 to 1992. The eleclricity price enduse factor for CAC is 1.0 (no adjustment). 2 Ufetime

# = 15 

### yean. Markup factor

# = 1.98. 3 Baseline unit Includes: Evaporator: 4.13 sq.ft., 13 

### fms/incb, Wavy Fins, 3 tuberows, Groove Tubes Condenser: 12.88 sq.ft., 20 

### fms/inch, SlitFins, 1tuberow, Smooth Tubes Compressor: Reciprocating, 10.20 EER (nominal) Evaporator Fan Motor: PSC, 58.5% effICient CondenserFan Motor: PSC, 55.0% effICient EnhancementDevices: None 4 Non-Bleed Thermostatic 

### Expansion Valvereplaces the need for a Time Delay Relay 5 Maximum SensibleHeat Ratio 

### =76.5% 6 Evaporator ECM Fan Motor is modUlated. Cost offan motor Includes electronic modulating controls. 7 Condenser ECM Fan Motor i,;

# ,1IIl at a single speed.

# 9/28/93 

# Life Cycle Cost for 3-ton Single Package System

Central Air Conditioner $7,000 -r

$6,600 +

$5,400 -}- 

# 6% discount rate

12 $5,000 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 SEER 

# $7,000 9/28/93 

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

$6,600 

# 1-0- 6% discount rate 

# I

_ $6,200**~** 

# '" '"
...... '-' 

# u 0 U ....J 

# $5,800

$5,400

$5,000 9.0 

# 3 5



# 10.0 11.0 

# 6

12.0 13.0 14.0 

# 11 13 12 15.0 SEER 16.0 17.0 18.0 20

19.0 20.0 21.0

# 9/28/93

a 

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

$5,400 --
$5,000 I 

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

4% discount rate - - - - 6% discount rate ®- - - - 10% discount rate

Iz

$4,600 -1 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 SEER -. V7 N 

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

# e $5,800 

# u u**~** 

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

# 9/28/93 

# Life Cycle Cost for 3·ton Single Package System Central Air Conditioner

--0----- 

# 4% discountrate

- - -6
- - 

# 6% discount rate

- - - - +- - - - 

# 10% discount rate

, 

## ,



# - 

# ..-

# --- - ".-



# 12.0 

# ... --- , 

# -- •. _--- •.+ 

# 13.0 14.0 15.0 

# SEER 16.0 17.0 18.0 19.0 20.0 21.09/30/93 

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

Level Design Option SEER Manufr Cost Incr.

Manufr Cost Installed

Installation Maintenance Consumer Cost Cost cost Annual Elec. use Annual

Energy cost Cunatl
.

Payback Period Lifecycle Costs



### (1992$) Cumulative

Cost of Conserved Energy (cents/kWh) 

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

- $2221.22 $46.69 $3773.07 5962 $505 NA $9,391 $8,681 $7,616 NA NA NA 1 0 + Backward Inclined Indoor Blower 9.98 $666.02 $0.02 $2221.22 $46.69 $3773.12 5799 $492 0.00 $9,238 $8,547 $7,512 0.00 0.00 0.00 2 1 + Evaporator Slit Fins 10.07 $666.23 $0.21 $2221.22 $46.69 $3773.59 5748 $487 0.03 $9,191 $8,506 $7,480 0.02 0.03 0.03 3 2 + Scroll Compressor: 11.30 EER 11.52 $690.87 $24.64 $2221.22 $46.69 $3829.28 5022 $426 0.71 $8,562 $7,963 $7,067 0.54 0.62 0.79 4 3 + Time Delay Relay 11 .97 $697.37 $6.50 $2221.22 $46.69 $3843.97 4834 $410 0.74 $8,399 $7,823 $6,960 0.57 0.65 0.83 5 4 + More Efficient EvVerator PSC Pan Motor (68.5% 12.27 $707.14 $9.77 $2221.22 $39.08 $3858.44 4714 $400 0.81 $8,301 $7,739 $6,898 0.62 0.70 0.90 6 5 + Non-Bleed Thermostatic Expansion Valve 12.58 $714.72 $7.58 $2221.22 $39.08 $3875.57 4599 $390 0.89 $8,210 $7,662 $6,841 0.68 0.77 0.99 7 6 + More Efficient Condenser PSC Fan Motor (65.0%) 12.70 $721.02 $6.30 $2221.22 $31.47 $3882.20 4557 $386 0.92 $8,177 $7,634 $6,820 0.70 0.80 1.02 8 7 + Increase Evaporator Fin Density to 14 fpi 12.74 $722.48 $1.46 $2221.22 $31.47 $3885.49 4542 $385 0.93 $8,165 $7,624 $6,813 0.71 0.82 1.04 9 8 + Increase Evaporator Face Area to 7
.50 sq.R 13.13 $739.70 $17.22 $2231.51 $31.47 $3934.70 4408 $374 1.23 $8,089 $7,563 $6,776 0.94 1.07 1.37 10 9 + Condenser Grooved Tubes 13.28 $756.52 $16.82 $2231.51 $31.47 $3972.72 4356 $369 1.47 $8,078 $7,559 $6,781 1.12 1.28 1.64 11 10 + Increase Condenser Face Area to 27.60 sq.ft. 13.53 $788.74 $32.22 $2262.38 $31.47 $4076.40 4277 $362 2.12 $8,107 $7,597 $6,833 1.62 1.85 2.37 12 11 + Increase Condenser Facc Area to 36.50 sq.ft. 13.79 $850.40 $61.66 $2322.10 $31.47 $4275.47 4195 $356 3.36 $8,229 $7,729 $6,980 2.56 2.93 3.74 13 12 + Evaporator ECM Fan Motor 14.40 $1,030.66 $180.26 $2322.10 $47.09 $4698.48 4019 $341 5.62 $8,486 $8,007 $7,290 4.29 4.91 6.26 14 13+ Electronic Expansion Valve 14.59 $1,106.83 $76.17 $2322.10 $56.07 $4879.61 3966 $336 6.54 $8,617 $8,144 $7,436 4.99 5.71 7.29 15 14 + Condenser ECM Fan Motor 14.66 $1,179.53 $72.70 $2322.10 $63.68 $5051.52 3947 $335 7.49 $8,771 $8,301 $7,596 5.71 6.53 8.34 16 15 + Two-Speed Recip

-Compressor System 16.27 $1,368.28 $188.75 $2322.10 $80.54 $5494.95 3557 $302 8.45 $8,847 $8,423 $7,788 6.44 7.37 9.42 17 15 + Variable-Speed Recip-Compressor System 17.14 $1,779.53 $600.00 $2322.10 $132.24 $6476.08 3376 $286 12.33 $9,657 $9,255 $8,652 9.40 10.76 13.74 18 15 + Two-Speed Scroll-Compressor System 16.52 $1,679.53 $500.00 $2322.10 $127.87 $6245.71 3504 $297 11.87 $9,548 $9,130 $8,504 9.05 10.36 13.23 19 15+Variable-Speed Scroll-Compressor stem 19.04 $1,829.53 $650.00 $2322.10 $134.43 $6591.27 3039 $258 11.38 $9,455 $9,093 $8,550 8.67 9.93 12.68 AsawMajonse I Electricity cost = 0.085 $/kWh (average cost in 1999 obtained from an interpolation of the 1995 and 2000 prices of electricity forecast in DOEs 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
. Markup factor = 2.26. 3 Baseline unit includes: Evaporator: 6.00 sq.fL, 13 fins/iinch, Wavy Fins, 4 tube rows, Groove Tubes Condenser: 23.00 sq.ft., 20 finshnch, Slit Fins, 2 tube rows, Smooth Tubes Compressor
. Reciprocating, 10.49 ERR (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 fart motor includes electronic modulating controls. 7 Condenser ECM Fan Motor is run at a single speed. 9/30/93 

### Life Cycle Costs and Payback Periods ofS-ton, Single Package System Central Air Conditioner
Incr. Installed Annual Annual Cornu!. Lifecycle Costs Cumulative SEER Manufr Manufr Installation Maintenance Consumer E1ec. Energy Payback CostofConserved Energy 

### Leve Design Option 

### Cost Cost Cost Cost Cost use cost Period (1992$) (cents/kWh) BtuhIW (1992$) (1992$) (1992$) (1992$) (1992$) kWh/yr (1992$) (years) 4% 6% 10% 4% 6% 10% 0 Baseline 9.71 $666.00 

# - $2221.22 $46.69 $3773.07 5962 $505 NA $9.391 $8.681 $7.616 NA NA NA 1 

## o+Backward Inclined Indoor 

### Blower 9.98 $666.02 $0.02 $2221.22 $46.69 $3773.12 5799 $492 0.00 $9.238 $8.547 $7.512 0.00 0.00 0.00 2 1

### +Evaporator SlitFins 10.07 $666.23 $0.21 $2221.22 $46.69 $3773.59 5748 $487 0.03 $9.191 $8.506 $7.480 0.02 0.03 0.03 3 2 

### +ScrolJ COIJ¥eSsor: 11.30 EER 11.52 $690.87 $24.64 $2221.22 $46.69 $3829.28 5022 $426 0.71 $8.562 $7.963 $7.067 0.54 0.62 0.79 4 3

### +Time Delay Relay 11.97 $697.37 $6.50 $2221.22 $46.69 $3843.97 4834 $410 0.74 $8.399 $7.823 $6.960 0.57 0.65 0.83 5 4 

### +More EfficientEvaporatorPSC Fau Motor (68.5% 12.27 $707.14 $9.77 $2221.22 $39.08 $3858.44 4714 $400 0.81 $8.301 $7.739 $6.898 0.62 0.70 0.90 6 5

### +Non-Bleed Thermostatic Expansion Valve 12.58 $714.72 $7.58 $2221.22 $39.08 $3875.57 4599 $390 0.89 $8.210 $7.662 $6.841 0.68 0.77 0.99 7 6 

### +More EfficientCondenserPSC Fan Motor (65.0%) 12.70 $721.02 $6.30 $2221.22 $31.47 $3882.20 4557 $386 0.92 $8.177 $7.634 $6.820 0.70 0.80 1.02 8 7 

### + Incteue

### Evaporator F"m Density to 

### 14fpi 

### 12.74 $722.48 $1.46 $2221.22 $31.47 $3885.49 4542 $385 0.93 $8.165 $7.624 $6.813 0.71 0.82 1.04 9 8

### + Incteue

### EvaporatorFace Area to 

### 7.50 

### sq.f\. 13.13 $739.70 $17.22 $2231.51 $31.47 $3934.70 4408 $374 1.23 $8.089 $7.563 $6.776 0.94 1.07 1.37 10 

### 9 

### +Condenser Grooved Thbes 13.28 $756.52 $16.82 $2231.51 $31.47 $3972.72 4356 $369 1.47 $8,078 $7.559 $6,781 1.12 1.28 1.64 11 

### 10 

### + Incteue

### CondenserFace Area to 

### 27.60 sq.ft. 13.53 $788.74 $32.22 $2262.38 $31.47 $4076.40 4277 $362 2.12 $8,107 $7,597 $6,833 1.62 1.85 2.37 12 11 

### +Increase CondenserFace Area to 

### 36.50 sq.ft. 13.79 $850.40 $61.66 $2322.10 $31.47 $4275.47 4195 $356 3.36 $8,229 $7.729 $6,980 2.56 2.93 3.74 13 12 

### +EvaporatorECM Fan Motor 14.40 $1,030.66 $180.26 $2322.10 $47.09 $4698.48 4019 $341 5.62 $8,486 $8,007 $7,290 4.29 4.91 6.26 14 13 

### +Electronic Expansion Valve 14.59 $1,106.83 $76.17 $2322.10 $56.07 $4879.61 3966 $336 6.54 $8,617 $8,144 $7,436 4.99 5.71 7.29 15 14 

### +Condenser

### ECM Fan Motor 14.66 $1,179.53 $72.70 $2322.10 $63.68 $5051.52 3947 $335 7.49 $8,771 $8,301 $7,596 5.71 6.53 8.34 16 15 

### +Two-Speed Recip-Compressor System 16.27 $1,368.28 $188.75 $2322.10 $80.54 $5494.95 3557 $302 8.45 $8,847 $8,423 $7,788 6.44 7.37 9.42 17 15 

### +Variable-Speed Recip-COIJ¥eSsor System 17.14 $1,779.53 $600.00 $2322.10 $132.24 $6476.08 3376 $286 12.33 $9,657 $9,255 $8,652 9.40 10.76 13.74 18 15 

### +Two-Speed ScrolJ-CompressorSystem 16.52 $1,679.53 $500.00 $2322.10 $127.87 $6245.71 3504 $297 11.87 $9,548 $9,130 $8,504 9.05 10.36 13.23 19 15 

### +Variable-Speed ScroD-Compressor System 19.04 $1,829.53 $650.00 $2322.10 $134.43 $6591.27 3039 $258 11.38 $9,455 $9,093 $8,550 8.67 9.93 12.68 Assumptions:

1 Electricity cost,.

### 0.085 $JtWh (average cost

### in 1999 obtained

### from an interpolation ofthe 

### 1995 and 

### 2000 prices ofelectricity forecast in OOE's Annual Energy Outlook 

### 1993, inflated to 

### 1992dollan). 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. Markup factor

# = 2.26. 3 Baselineunit includes: Evaporator: 6.00 sq.ft.. 13 fins/inch, 

### Wavy Fins, 4tuberows, Groove Thbes Condenser: 

### 23.00 sqA, 20 fins/inch, 

### SlitFins, 2tube rows, SmoothThbes Compressor; ReciprocIting, 10.49EER (nominal); 

### Accumulator Evaporator Fan Motor. PSC, 58.5% efficient Condenser

### FanMotor. PSC, 

### 55.0% efficient Fnhancernent 

### Devices: None 4 Non-Bleed Thermostatic Expansion Valve replaces the

### need 

### for aTime Delay Relay. 5 Maximum Sensible 

### HeatRatio

# = 76.5% 6 EvaporatorECM Fan Motoris modulated. Cost

### offan motor

### includes electronic modulating controls. 7 Condenser ECM Fan Motor is run at 

### a single speed.

# 9/30/93 

# Life Cycle Cost for 5-ton Single Package System

Central Air Conditioner $9,400

19 $8,900

$7,900 

# 6% discount rate

$7,400 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 9/30/93 

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

# 9/30/93 

# Life Cycle Cost for 5 -ton Single Package System

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

$7,700 -}-
$7,200 --
$6,700 9.0 4% discount rate - - - - 6% discount rate

- ♦ - - - - 10% discount rate

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

,-.. 

### fFt N 

### <:::'I <:::'I 

# e $8,200 

# u U**~** 

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

# 9/30/93 

# Life Cycle Cost for 5·ton Single Package System Central Air Conditioner

--0- 

# 4% discountrate

- - fI - - 

# 6% discountrate

- - - - +- - - - 

# 10% discountrate .

, 

# + " " 

### " 

### , , 

### , , , ' 

### , ' 

### , ' 

### ,,'

I,
..... 

### .. ,... , 

# - 

# ,',:',"" ' ' '
I 

# • , , , 

### , ,



# 11.0 12.0 13.0 

# 14.0 15.0 16.0 

# SEER 17.0 .+



# 18.0 19.0 

# 20.0

### Life Cycle Costs and Payback Periods of 3-ton, Single Package System Central Heat Pump 9/28/93

Incr. Installed Annual Eloc Use Annual Cumul. Ufecycle Costs Qunulative SEER HSPF Manufr Manuf r Installation Maintenance consumer Cooling Heating Energy Payback Cost of Conserved Energy Level Design Option Cost Coat cast cost cost cost Period (1992$) (cents/kWh) Btuh/W Btuh/W (1992$) (1992$) (1992$) (1992$) (1992$) kWh/ kWh/yr (1992$) (years) 4% 6% 10% 4% 6% 10% 0 Baseline 9.70 6.69 $677.00 $1202,35 $46,69 $2691.05 3764 8,379 $1,029 NA $14,134 $12,687 $10,519 NA NA NA 1 0+ Backward Inclined Indoor Blower 9.99 6.79 $677.00 $0.00 $1202.35 $46.69 $2691 .05 3654 8,254 $1,009 0.00 $13,913 $12,494 $10,368 0.00 0.00 0.00 2 1+Indoor Coil Slit Firs 10.12 6.90 $677.03 $0.03 $1202.35 $46.69 $2691.12 3608 8,128 $995 0.00 $13,751 $12,352 $10,257 0.00 0.00 0.01 3 2 + Increase Indoor Coil Fin Density to 14 fpi 10
. 16 6.92 $677.69 $0.66 $1202.35 $46
.69 $2692.52 3594 8,096 $991 0.04 $13,709 $12,316 $10,229 0.08 0.09 0.11 4 3 + More Efficient Indoor PSC Fan Motor (68.5%) 10.40 7.01 $684.89 $7.20 $1202.35 $39
.08 $2700.25 3512 7,995 $975 0.17 $13,544 $12,172 $10,118 0.33 0.37 0.48 5 4 + More Efficient Outdoor PSC Fan Motor (65.096) 10
.51 7.10 $691.19 $6.30 $120235 $31.47 $2706.06 3476 7,890 $963 0.23 $13,417 $12,063 $10,034 0.47 0.54 0.68 6 5+ Time Delay Relay 10.84 7.25 $697.69 $6.50 $1202.35 $31 .47 $2719.90 3369 7,734 $941 0.33 $13,183 $11,860 $9,878 0.66 0.75 0.96 7 6+ Reciprocating Compressor 11.26EER 11.34 7.46 $708.68 $10.99 $1202.35 $31.47 $2743.31 3221 7,516 $910 0.44 $12,862 $11,583 $9,666 0.87 0.99 1.27 8 7 + Increase Indoor Coil Face Area to 4.97 sq.ft
. 12.04 7.73 $722.05 $13.37 $1212.09 $31.47 $2781.53 3032 7,250 $872 0.57 $12,472 $11,246 $9,411 1.11 1.27 1.63 9 8+Demand Def:ost 12.04 7.96 $733.55 $11.50 $1212.09 $31.47 $2806.02 3032 7,039 $854 0.65 $12,297 $11,097 $9,299 1.41 1.62 2.07 10 9 + Outdoor Coil Grooved Tubes 12.34 8.00 $740.52 $6.97 $1212.09 $31.47 $2820.87 2958 7,009 3845 0.70 $12,214 $11,026 $9,247 1.45 1.66 2.12 11 10 + Increase Indoor Coil Face Area to 6.39 sq.ft. 12.73 8 .15 $755 .60 $15.08 $1221. 83 $31 .47 32862.73 2868 6,877 $826 0.84 $12,046 $10,885 $9,145 1.72 1.97 2.52 12 11+Scroll Cesnpressor: 11.50EER 13.29 8.25 $774.58 $18.98 $1221.83 $31.47 $2903.16 2748 6,791 $808 0.96 $11,892 $10,755 $9,053 1.88 2.15 2.74 13 12+ Non-Bleed Thermostatic Expansion Valves 13.62 8.47 $787.03 $12.45 $1221.83 $31.47 $2929.68 2681 6,616 $788 0.99 $11,691 $10,583 $8,923 1.98 2.27 2.90 14 13 + Increase Outdoor Coil Face Ara to 21
.00 sq.ft 14.34 8.80 $811.89 $24.86 $1262.09 $31 .47 $3022.89 2547 6,372 $756 1.21 $11,428 $10,365 $8,773 2.45 2.81 3.58 15 14 + Increase Indoor Coil Face Area to 7.50 sq.ft. 14.55 8.86 $822.19 $10.30 $1269.70 $31.47 $3052.44 2509 6,325 $749 1.29 $11,378 $10,325 $8,748 2.59 2.97 3.79 16 15 + Increase Indoor Coil Tube Density to 4 rows 14.66 8.93 3844.58 $22.39 $1269.70 $31.47 $3100.13 2490 6,276 $743 1.43 $11,362 $10,317 $8,752 2.89 3.31 4.22 17 16 + Increase Outdoor Coil Face Area to 30
.00 sq.ft 15.02 9.04 $890.19 $45.61 $1330.09 $31.47 $3257.67 2432 6,200 $732 1.90 $11,392 $10,363 $8,822 3.82 4.38 5.59 18 17 + Outdoor ECM Fan Motor 15.12 9.17 3962.89 $72.70 $1330
.09 `$39.08 $3420.13 2415 6,115 $723 2.38 $11,459 $10,442 $8,919 4.86 5.57 7.11 19 18 + Electronic Expansion Valve 15
.31 9.22 $1,011.23 $48.34 $1330.09 $48.06 $3532.07 2385 6,083 $718 2.70 $11,512 $10,502 $8,991 5.48 6.28 8.02 20 19 + Indoor ECM Fan Motor 15.87 9
.28 $1,152.53 $141.30 $1330.09 $63.68 $3848.66 2300 6,042 $707 3.59 $11,710 $10,716 $9,227 7.11 8.14 10.40 21 20+Two-Speed Recip-ConpressorSystem 17.37 9.32 $1,332.79 $180.26 $1330.09 $77.62 $4246.55 2102 6,012 $688 4.56 $11,894 $10,927 $9,478 8.42 9.64 12.31 22 20+Variable-Speed Recip- Conpsasor System 17.70 9.72 $1,744.04 $591.51 $1330.09 $123.47 $5168.37 2063 5,770 $664 6.78 $12,550 $11,617 $10,218 13.10 15.00 19.15 23 20+Two-Speed Scroll-Compressor System 17.93 9.89 $1,644.04 $491.51 $1330.09- $119.10 $4951.00 2037 5,666 $653 6.00 312,210 $11,292 $9,917 11.77 13.47 17.20 24 Vaxiablc

-Speed Scroll-Compressor S 20.21 10.69 $1,794.04 $641.51 $1330.09 $125.66 $5277.06 1806 5,243 $597 5.99 $11,920 $11,080 $9,822 11.88 13.60 17.37 

### AumzimL 1 Electricity cost- 0.085 $/ kWh (avenge -in 1999 obtainedfrom an interpolation of the 1995 and 2000 prices of electricity forecast in DOE's Annual Energy Outlook 1993, inflated to 1992 dollars). The interpolated value for 1999 is 0.082 S/kWh (1991$) 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
. Markup factor - 2.13. 3 Baseline unit includes: Indoor Coil: 3.55 sq.ft.,13 finsfmch, Wavy Fins, 3 tube rows, Groove Tubes Outdoor Coil: 15.00 aq.fL, 20 fins/rnch, 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 System 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 offan motor includes electronic modulating controls. 8 Condenser ECM Fan Motor is run at a single speed. 

### Life Cycle Costs and Payback Periods of3·ton,Single Package System Central Heat Pump
Inet. 

### Installed Annual 

### Elee Use Annual 

### Cumul LifeeycleCOIItI SEER 

### HSPF 

### Manuf'r Manuf'r Installation Maintenance consumer Coolina Heating Energy Payback Leve DesignOptiClll Cost COIIt Cost Colt COlt 

### cost Period 

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

### kWh/yr kWh/yr 

### (1992$) (yem) 4% 6% 

### 0 Iluclinc 

### 9.70 6.69 $677.00 

# . $1202.35 $46.69 $2691.05 3764 8,379 $1,029 NA $14,134 $12,687 1 0+Backwani Inclined IndoorBlower 9.99 6.79 $677.00 $0.00 $1202.35 $46.69 $2691.05 3654 8,254 $1,009 0.00 $13,913 $12,494 2 1 +Indoor Coil Slit FilII 10.12 6.90 $677.03 $0.03 $1202.35 $46.69 $2691.12 3608 8,128 $995 0.00 $13.751 $12,352 3 2 +IncreaMIndoor CoilFin

### Denaity to 

### 14fpi 10.16 6.92 $677.69 $0.66 $1202.35 $46.69 $2692.52 3594 8.096 $991 0.04 $13.709 $12,316 4 3 +MOleEfficient IndoorPSC Fan Mota: (68.5%) 10.40 7.01 $684.89 $7.20 $1202.35 $39.08 $2700.25 3512 7.995 $975 0.17 $13,544 $12.172 5 4 +MOleEfficientOutdoorPSC Fan Motor

### (65.0% 10.51 7.10 $691.19 $6.30 $1202.35 $31.47 $2706.06 3476 7,890 $963 0.23 $13.417 $12.063 6 5 +TimeDelay Relay 10.84 7.25 $697.69 $6.50 $1202.35 $31.47 $2719.90 3369 7.734 $941 0.33 S13.183 SI1,860 7 6 +Reciprocating COIIlpteaor. 11.26EER 11.34 7.46 $708.68 $10.99 $1202.35 $31.47 $2743.31 3221 7.516 $910 0.44 $12,862 $11,583 8 7 +IncreaM IndoorCoilFace 

### Area to

### 4.97 

### aq.ft. 12.04 7.73 $722.05 $13.37 $1212.09 $31.47 $2781.53 3032 7.250 $872 0.57 $12,472 $11,246 9 8 +Demand Defrolt 

### 12.04 7.96 $733.55 $11.50 $1212.09 $31.47 $2806.02 3032 7.039 $854 0.65 512,297 $11.097 10 9 +OutdoorCoil Grooved Tubea 12.34 8.00 $740.52 $6.97 $1212.09 $31.47 $2820.87 2958 7.009 $845 0.70 $12.214 $11.026 11 

### 10+Increlle Indoor Coil Face 

### Area to 

### 6.39 

### aq.ft. 12.73 U5 $755.60 $15.08 $1221.83 $31.47 $2862.73 2868 6,877 $826 0.84 $12,046 $10.885 12 11 + Scroll COIIlptellOl': 11.50EER 13.29 8.25 $774.58 $18.98 $1221.83 $31.47 $2903.16 2748 6.791 $808 0.96 SI1.892 $10.755 13 12 +Non-Bleed ThermOltatic ExpansionValVCll 13.62 8.47 $787.03 $12.45 $1221.83 $31.47 $2929.68 2681 6,616 $788 0.99 $11,691 $10,583 14 13 +IncreaM Outdoor Coil 

### Face Area to

### 21.00 

### aq.ft 14.34 8.80 $811.89 $24.86 $1262.09 $31.47 $3022.89 2547 6,372 $756 1.21 $11,428 $10,365 

### IS 14 + InCIelleIndoorCoil Face Area to 7.50

### aq.ft. 14.55 8.86 $822.19 $10.30 $1269.70 $31.47 $3052.44 2509 6,325 $749 1.29 $11,378 $10,325 16 15 + InCIelse IndoorCoil Tube Density to 

### 4rows 14.66 8.93 $844.58 $22.39 $1269.70 $31.47 $3100.13 2490 6,276 $743 1.43 Sl1,362 $10,317 17 16 +InCIelse Outdoor Coil

### FaceArea 

### to 30.00 

### aq.ft 15.02 9.04 $890.19 $45.61 $1330.09 $31.47 $3257.67 2432 6,200 $732 1.90 511,392 510,363 18 17 +Outdoor ECM Fan Motor 

### 15.12 9.17 $962.89 $72.70 $1330.09 " $39.08 $3420.13 2415 6,115 $723 2.38 511,459 $10,442 19 18 +Electronic**Ex~ion** 

### Valve 15.31 9.22 $1.011.23 $48.34 $1330.09 $48.06 $3532.07 2385 6,083 $718 2.70 S11,512 $10,502 20 19 +IndoorECM Fan Mota: 15.87 9.28 $1,152.53 $141.30 $1330.09 $63.68 $3848.66 2300 6,042 $707 3.59 S11,710 $10,716 21 20 +Two-Speed Recip-ComptellOl'System 17.37 9.32 $1,332.79 $180.26 $1330.09 $77.62 $4246.55 2102 6,012 $688 4.56 $11,894 $10,927 22 20 +Variable-Speed Recip-CompieilOfSyltcm 17.70 9.72 $1,744.04 $591.51 $1330.09 $123.47 $5168.37 2063 5,770 $664 

### 6.78 $12,550 $11,617 23 20 +Two-Speed Scroll-Compn:ucrSyltcm 17.93 9.89 $1,644.04 $491.51 $1330.09· $119.10 $4951.00 2037 5,666 $653 6.00 $12,210 $11,292 24 20 + V**ari.ble-S~** 

### Scroll-COIIlprcaorSystem 20.21 10.69 $1,794.04 $641.51 $1330.09 $125.66 $5277.06 1806 5,243 $597 5.99 $11,920 $11,080 Auump!jQ!ll'

1 

### Electricity COIIt

- 0.085 $,t.Wh (avenae COlt

### in 1999 obtainedfrom 

### an interpolation oftho 

### 1995 and 2000 priCCll 

### ofelectricity forecast in DOE's Annual Energy Outlook 1993, inflated to 

### 1992 dollars). Tho 

### interpolatedvalue for 1999 II 0.082 $t1tWh (1991$) or0.085 after adjustina for inflation from 

### 1991 to 

### 1992. The electricity price enduM factor for CAC is 

### 1.0 (no adjustment). 2 Lifetime-15 yem. Mukup 

### factor-2.13. 3 Buelineunit includCll: Indoor Coil: 3.55 

### aq.ft.. 13 finl/inch, 

### WavyFins, 3tube 

### rows, GrooveTubes OutdoorCoil: 15.00 

### aq.ft., 20 finl/inch, 

### SlitFin., 

### 1tube ro...... Smooth Tubea ComPmlsor. Reciprocating, 10.80EER (nOlllinal); Accumulator IndoorFan Motor: PSC, 58.5% efficient Outdoor

### Fan 

### Motor: PSC, 55.0% efficient EnhanccmentDevices: None 

### 4 All Two-Speed and Variable-Speed ComprClllOf

### SyItcml include an Accumulator. 5 Maximum SensibleHeatRatio -76.5')1, 6 Non-Bleed ThennOlltaticExpansionValves replace the need 

### for aTime Delay Relay and 

### an Accumulator. 7 EvaporatorECM Fan Motoris

### modulated. COIIt of

### fan motorincludes electronic modulatina controls. CondemerECM Fan M((Oris 

### run at a rinale 

### speed. 10% $10,519 $10,368 $10,257 $10,229 SI0.118 $10.034 $9.878 $9.666 $9.411 $9,299 $9,247 $9.145 $9,053 58,923 $8,773 $8,748 $8,752 $8,822 $8,919 $8,991 $9,227 $9,478 $10,218 $9,917 $9,822 9/28/93


### Omtulative Cost ofCOIlICI'VCd Energy 

### (centshWh) 4% 6% 10% NA NA NA 0.00 0.00 0.00 0.00 0.00 0.01 0.08 0.09 0.11 0.33 0.37 0.48 0.47 0.54 0.68 0.66 0.75 0.96 0.87 0.99 1.27 1.11 1.27 1.63 1.41 1.62 2.07 1.45 1.66 2.12 1.72 1.97 2.52 1.88 2.15 2.74 1.98 2.27 2.90 2.45 2.81 3.58 2.59 2.97 3.79 2.89 3.31 4.22 3.82 4.38 5.59 4.86 5.57 7.11 5.48 6.28 8.02 7.11 8.14 10.40 8.42 9.64 12.31 13.10 15.00 19.15 11.77 13.47 17.20 11.88 13.60 17.37

# 9/28/93 

# Life Cycle Cost for 3- ton Single Package System

Central Heat Pump

6% discount rate

; $11,700
U 

# $11,300 24

9.0 17 16 10.0 11.0 12.0 13.0 14.0 15.0 SEER 16.0 17.0 18.0 19.0 20.0 21.0 $12,900 

# o $12,500 $12,100**~** 

# $11,700 c::I'\ c::I'\**~** 

# -- U

# ~ $11,300 $10,900 $10,500 $10,100 9.0 10.0 11.0 9/28/93 

# Life Cycle Cost for 3·ton Single Package System Central Heat Pump 

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

# 1

22 8 9 11 12 13

16 12.0 13.0 14.0 15.0 16.0 17.0 18.0 

# SEER 24

19.0 20.0 21.0

# 9/28/93 

# Life Cycle Cost for 3-ton Single Package System

Central Heat Pump $14,500 $14,100 $13,700 $13,300 $12,900 $12,500 $12,100 a $11,700 v $11,300 $10,900 $10,500 $10,100 $9,700 $9,300 $8,900 $8,500 A.


# N N

• 4% discount rate - - - - 6% discount rate ®- - - - 10% discount rate

b1

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 $14,500

.$14,100 $13,700 $13,300 $12,900 $12,500

..-.. 

# $12,100 ur**~**

## ~ 

# $11,700**~** 

# -- u $11,300 

# u ..J 

# $10,900 $10,500 $10,100

$9,700 $9,300 $8,900 $8,500 9.0 10.0 11.0 9/28/93 

# Life Cycle Cost for 3·ton Single Package System Central Heat Pump

12.0 13.0 ---D-- 

# 4% discountrate

- - -6.
- -:- 

# 6% discountrate

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

14.0 15.0 

# SEER 16.0 

# ..

17.0 18.0 

# - -

# .

19.0 20.0 21.0

### Life Cycle Costa and Payback Periods of 5-ton, Single Package System Central Heat Pump 9130/93

Ina, Installed Annual Elec Use Annual Cumul
. Lifecycle Costs Cumulative SEER HSPF Manufr Manufr Installation Maintenance Consumer Cooling Heating Energy Payback Cost of Conserved Energy Level Design Option Coat cost Cost cost cost cost Period (1992$) (cents/kWh)

- Btuh/W Btuh/W (1992$) (1992$) (1992$) (1992$) (1992$) kWb/ kWh/yr (1992$) (years) 4% 6% 10% 4% 6% 15% 0 Baseline 9.70 6.88 $934.00

- $1342.86 $46.69 $3593.79 5977 13,966 $1,690 NA $22,388 $20,011 $16,451 NA NA NA 1 0+ Backward Inclined Indoor Blower 9.99 7.00 $934.03 $0.03 $1342.86 $46.69 $3593.86 5803 13,732 $1,656 0.00 $22,004 $19,676 $16, 188 0.00 0.00 0.01 2 1+Indoor Coil Slit Fins 10.07 7.06 $934.25 $0.22 1 $1342.86 $46.69 $3594.38 5757 13,611 $1,642 0.01 $21,847 $19,538 $16,081 0.02 0.03 0.04 3 2+ Time Delay Relay 10.36 7.19 $940.75 $6.50 $1342.86 $46.69 $3609.72 5597 13,374 $1,608 0.19 $21,488 $19,227 $15,840 0.38 0.43 0.55 4 3 + Scroll Compressor
. 1130 EER 11.93 7.57 $965.13 $24.38 $1342.86 $46.69 $3667.26 4861 12,693 $1,488 0.36 $20,210 $18,118 $14,984 0.59 0.68 0.87 5 4 + More Efficient Outdoor PSC Fan Motor (65.0% 12.05 7.66 $971.43 $6.30 $1342.86 $39.08 $3674.51 4811 12,545 $1,471 0.37 $20,031 $17,962 $14,864 0.62 0.71 0.91 6 5 + Increase Indoor Coil Fin Density to 14 fpi 12.09 7.70 $973.16 $1.73 $1342.86 $39.08 $3678.60 4797 12,484 $1,465 0.38 $19,964 $17,904 $14,819 0.65 0.74 0.94 7 6 + More Efficient Indoor PSC Fan Moto' (68.596) 12.43 7.81 $982.92 $9.76 $1342.86 $31 .47 $3694.03 4665 12,308 $1,439 0.40 $19,689 $17,666 $14,636 0.69 0.79 1.00 8 7 + Demand Defrost 12.43 8.04 $994.42 $11.50 $1342. 86 $31 .47 $3721.17 4665 11,950 $1,408 0.45 $19,379 $17,399 $14,432 0.87 1.00 1.28 9 8 +Non-Bleed Thermostatic Expansion Valves 12.74 8
.28 $1,016
.08 $21.66 $1342.86 $31.47 $3772.29 4551 11,608 $1,370 0.56 $19,000 $17,074 $14,190 1.13 1.29 1.65 10 9+Increase Indoor Coil Face Areato 7.50sq .ft. 13.10 8.37 $1,033.92 $17.84 $1353.15 $31.47 $3824.68 4424 11,475 $1,348 0.67 $18,808 $16,913 $14,075 1.34 1.53 1.96 11 10+Outdoor Coil Grooved Tubes 13.30 8.40 $1,048.28 $14.36 $1353.15 $31.47 $3858.57 4360 11,438 $1,339 0.75 $18,747 $16,864' $14,044 1.47 1.69 2.15 12 11 + Increase Outdoor Coil Face Area to 27.30 esq
. 13.74 8.63 $1,106.40 $58.12 $1405.49 $31.47 34048.07 4220 11,135 $1,301 1.17 $18,518 $16,688 $13,947 2.32 2.66 3.40 13 12+ Electronic Expansion Valve 13.93 8.68 $1,154.74 $48.34 $1405.49 $40.45 $4171.13 4161 11,072 $1;291 1.45 $18,527 $16,711 $13,992 2.86 3.27 4.18 14 13+Outdoor ECMFanMotor 14.02 8.79 $1,227.44 $72.70 $1405 .49 $48.06 $4350.32 4137 10,936 $1,278 1.83 $18,555 $16,758 $14,067 3.70 4.23 5.41 15 14+ Increase Outdoor Coil Face Area to 36.50sq 14.20 8.86 $1,295.30 $67.86 $1467.22 $48.06 $4572.20 4084 10,844 $1,265 2.30 $18,640 $16,861 $14,196 4.65 5.32 6.79 16 15+ Indoor ECM Fan Motor 14.89 8.95 $1,475.55 $180.25 $1467.22 $63.68 $5013.21 3893 10,733 $1,240 3.15 $18,796 $17,053 $14,442 6.13 7.01 8.95 17 16 + Two-Speed Recip-Compressor System 16.48 8.96 $1,664.30 $188.75 $1467.22 $80.83 $5475.81 3519 10,722 $1,207 3.89 $18,897 $17,199 $14,657 6.89 7.88 10.07 18 16+ Variab1e-Spend Recip
-Compressor System 16.65 9.49 $2,075.55 $600.00 $1467.22 $133.11 $6498.64 3481 10,127 $1,153 5.41 $19,323 $17,701 $15,272 10.47 11.98 15.30 19 16+Two-Speed Scroll-Compressor System 16.78 9.73 $1,975.55 $500.00 $1467.22 $128.74 $6258.27 3454 9,875 $1,130 4.75 $18,820 $17,231 $14,852 9.50 10.88 13.89 20 V"ble-Speed Scroll-Compressor System 18.59 10.01 $2,125.55 $650.00 $1467.22 $135.29 $6618.82 3118 9,603 $1,078 4.94 $18,607 $17,091 $14,820 9.52 10.89 13.91
Assum2tionso i Electricity cost - 0.085 $/kWh (avenge coat 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 1991 The electricity price enduse factor for CAC is 1.0 (no adjustment). 2 Lifetime - 15 years
. Markup factor -23& 3 Baseline unit includes: Indoor Coil: 6.00 sq.ft., 13 frnslmch, Wavy Firs, 4 tube rows, Groove Tubes Outdoor Coil: 19.5 sq.ft., 20 fins/nch, 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 Salable 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 Period!! of

### S·ton, Single Package System Central Heat Pump
Ina. Installed Annual Elec Use Annual Cumul. Lifecycle COllI SEER HSPF Manuf'r Manufr Installatioo Maintenance Consumer Cooling Heating Energy Payback Level 

### Desian Optloo COlt Cost Cost Cost COlt cost Period (1992$) BtuhIW Btuh/W (1992$) (1992$) (1992$) (1992$) (1992$) kWh/yr kWh/yr (1992$) (years) 4% 6% 0 Baseline 9.70 6.88 $934.00 

# - $1342.86 $46.69 $3593.79 5977 13,966 $1,690 NA $22,388 520,011 1 

## o+ BackwardInc1ined IndoorBlower 9.99 7.00 $934.03 $0.03 $1342.86 $46.69 $3593.86 5803 13,732 51,656 0.00 $22,004 $19,676 2 1 + Indoor Coil Slit

### Fin, 10.07 7.06 $934.25 50.22 J 51342.86 $46.69 $3594.38 5757 13,611 51,642 0.01 $21,847 519,538 3 2 +Time Delay Relay 10.36 7.19 $940.75 $6.50 $1342.86 $46.69 $3609.72 5597 13,374 $1,608 0.19 $21,488 $19,227 4 3 + Scroll Compreuor: 11.30EER 11.93 7.57 $965.13 $24:38 $1342.86 $46.69 $3667.26 4861 12,693 $1,488 0.36 $20,210 $18,118 5 4 + Mote Efficient Outdoor PSC Fan Mocor (65.0% 12.05 7.66 $971.43 $6.30 $1342.86 $39.08 $3674.51 4811 12,545 $1,471 0.37 $20,031 $17,962 6 5 + IncreucIndoor Coil 

### Fin I>eosity to 14 

### !pi 12.09 7.70 $973.16 $1.73 $1342.86 $39.08 $3678.60 4797 12,484 $1,465 0.38 $19,964 $17,904 7 6 + More EfficientIndoor PSC Fan Motor (68.5%) 12.43 7.81 $982.92 $9.76 $1342.86 $31,47 $3694.03 4665 12,308 $1,439 0.40 $19,689 $17,666 8 7 +

### Demand Dcfroct 12.43 8.04 $994.42 $11.50 $1342.86 $31.47 $3721.17 4665 11,950 $1,408 0.45 519,379 $17,399 9 8 + Non-Bleed 

### 1'bcrmoItaticExpllllicn Valve. 12.74 8.28 $1,016.08 $21.66 $1342.86 $31.47 $3772.29 4551 11,608 $1,370 0.56 $19,000 $17,074 10 9 + IncreucIndoor Coil Face

### AIeato7.50 sq.£\. 13.10 8.37 $1,033.92 $17.84 $1353.15 $31.47 $3824.68 4424 11,475 $1,348 0.67 518,808 $16,913 11 10+ OutdoorCoil Grooved Tubs 13.30 8.40 $1,048.28 $14.36 $1353.15 $31.47 $3858.57 4360 11,438 $1,339 0.75 $18,747 $16,864
. 12 11 + Increase OutdoorCoil Face

### AIea to27.30 sq.ft 13.74 8.63 $1,106.40 558.12 51405.49 $31.47 $4048.07 4220 11,135 51,301 1.17 $18,518 $16,688 13 12 +Electronic 

### Expanlicn Valve 13.93 8.68 $1,154.74 $48.34 51405.49 $40.45 $4171.13 4161 11,072 51;291 1.45 $18,527 $16,711 14 13 + Outdoor ECMFan Mocor 14.02 8.79 51,227.44 $72.70 $1405.49 $48.06 $4350.32 4137 10,936 $1,278 1.83 518,555 $16,758 

### IS 14 + Increase Outdoor CoilFace

### AIea to36.50 sq.ft 14.20 8.86 $1,295.30 $67.86 $1467.22 $48.06 $4572.20 4084 10,844 $1,265 2.30 $18,640 $16,861 16 15 + IndoorECMFan Motor 14.89 8.95 $1,475.55 $180.25 $1467.22 $63.68 $5013.21 3893 10,733 $1,240 3.15 $18,796 $17,053 17 16 +Tw()oSpeed Rccip..comprcaor System 16.48 8.96 $1,664.30 $188.75 $1467.22 $80.83 $5475.81 3519 10,722 51,207 3.89 518,897 $17,199 18 16 + Vmable-Speed Rccip-Comprcllor Syatem 16.65 9.49 $2,075.55 $600.00 $1467.22 $133.11 $6498.64 3481 10,127 $1,153 5.41 $19,323 517,701 19 16 +Tw()oSpeed Scro1l-Comp_aorSystem 16.78 9.73 $1,975.55 $500.00 $1467.22 $128.74 $6258.27 3454 9,875 51,130 4.75 $18,820 $17,231 20 16 + Vmable-Speed Scroll-Comprcuor System 18.59 10.01 $2,125.55 $650.00 51467.22 $135.29 56618.82 3118 9.603 $1,078 4.94 518,607 $17,091 Assuwptioos:

1 Electricity cost - 0.085 $/kWb (averase cOltin 1999 obtained 

### fran an intcrpolatioo ofthe 1995 and 

### 2000 pricca ofelectricity forecast in DOE's Annual Energy Outlook 1993, inflated to 1992 dollars). The interpolatedvalue for 1999 is 0.082 $/kWh (1991$) or 0.085 after adjusting for inflation 

### fran 1991 to 1992. The e1cctricityprice enduse factor for CAC is 1.0 (no adjustment). 

### 2 Lifetime 

### -IS ycan. Malkup 

### factor

- 2.36. 3 Baseline unit includes: Indoor Coil: 6.00 

### sq.ft., 13 

### finI/inclI, Wavy Fins, 4 tube rowa, Groove Tubea Outdoor Coil: 19.5 sq.£\., 20

### finl/incb, SlitFins,

### 2 tube rows, Smooth Tubea Comprcuor: Reciprocating, 10.49 EER (nominal); Accumulator IndoorFan 

### Motor: PSC, 58.5% efficient OutdoorFan M(U)r, PSC, 

### S5.C)II, efficient Enhancement DoviccI: None 4 Maximum 

### Scnaib1c HeatRatio •**76.s~** 5 Non-Bleed The:rmOltitic Expanaioo Valve. replace the need for aTimeDelayRelay; Accumulator atiJ.J. required due to exceas refrigerant.
. 6 Evaporator ECMFan Mocor is modulated. COlt offan motorincludes electronic modulating controls. 7 CoodcnserECM Fan Motor is run at a single 

### lpeed. 10% $16,451 516,188 $16,081 $15,840 $14,984 $14,864 $14,819 514,636 $14,432 $14,190 $14,075 $14,044 $13,947 $13,992 $14,067 $14,196 514,442 $14,657 $15,272 $14.852 514,820 9/30/93

Cumul.ttive Cost ofConserved Energy (centsIkWh) 4% 6% 10% NA NA NA 0.00 0.00 0.01 0.02 0.03 0.04 0.38 0.43 0.55 0.59 0.68 0.87 0.62 0.71 0.91 0.65 0.74 0.94 0.69 0.79 1.00 0.87 1.00 1.28 1.13 1.29 1.65 1.34 1.53 1.96 1.47 1.69 2.15 2.32 2.66 3.40 2.86 3.27 4.18 3.70 4.23 5.41 4.65 5.32 6.79 6.13 7.01 8.95 6.89 7.88 10,07 10.47 11.98 15.30 9.50 10.88 13.89 9.52 10.89 13.91

# 9/30/93 

# Life Cycle Cost for 5

-ton Single Package System

Central Heat Pump $20,200 $19,800 $19,400 $19,000 $18,600 $18,200 $17,800 $17,400 $17,000 $16,600 9.0 

# 6% discount rate

20
H 19.0 $20,200 0 $19,800 $19,400 $19,000

..-, 

### f.ft

## ~ 

# $18,600**~** '-' 

# U U $18,200 ...:l 

# $17,800 $17,400 $17,000 $16,600 9.0 10.0 11.0 9/30/93 

# Life Cycle Cost for 5-ton Single Package System Central Heat Pump

II 

# 6% discount rate 

# I

4
7 8 9 16 10

12.0 13.0 14.0 15.0 16.0 

# SEER 18
19 20

17.0 18.0 19.0

# 9/30/93 

# Life Cycle Cost for 5-ton Single Package System

Central Heat Pump $23,000 Q $22,000 $21,000 $20,000 $19,000 $18,000 $17,000 $16,000 $15,000 $14,000 $13,000 9.0 'o. 

# -- o

--------

1 

# 16.0 17 .0 18.0 19.0 10.0 11.0 12.0 13.0 14.0 15.0 SEER 4% discount rate - - - - 6% discount rate ® 10% discount rate 

# $23,000 $22,000 $21,000 $20,000

__ $19,000 Vt N

# ~ 

# o $18,000 

# U U ..::I 

# $17,000 $16,000 $15,000 $14,000 $13,000 9.0 10.0 11.0 9/30/93 

# Life Cycle Cost for 5-ton Single Package System Central Heat Pump

12.0 

# .. ...'

--

# .... --

# -.

-

# ..

13.0 14.0 

# SEER -0-- 

# 4% discount rate



# - - ts. - - 6% discount rate

- - - - +- - - - 

# 10% discountrate

,+ 

# , '."".;;';'

# ~**~.;: ~ ~** **~~ ~'.::** **~.:.:**.. ::+, -, -------------.•

15.0 16.0 17.0 18.0 19.0