Lawrence Berkeley Laboratory

•

' University ofCalifomia Berkeley. CaUfomia

_. .''j ..:. 94720

. . EnerlY and Environment Dhisfon (510) 486-4000 • FAX (510) 0&86-69%

Energy Analysis Ptocrom BulldtDi 90-«)00

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 CE-RM-93-801 COMMENT 0AA

Lawrence Berkeley Laboratory 

•

' University of California Berkeley. Califomia .: :' 94720 -, 'f " 

. . EnerlY and Environment Divisfon (SIO) 486-4000 • PAX (510) "86-6996 

Energy Analysis Procrom BuUdtDi 90-4000 

To: C All ~ A f)AM~ 

Fax: 

Phone: 

Date: 

From: 

Fax: . S10·486~996 Phone: (flo) ~6' .. I. 6 r I 

Pa~es Sent: 1/ (including cover sheet) 

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

Draft Version

Iner. Diff=tJaI DiCf=tial InsIaUed Annual Annual Cumul. Lifecycle COOlS 

SEER Mlllufr Mlllufr Inltallatlon MalnlcDlllcc COllSWller EIec. Energy Payback 

[Leve Design Option -. C06t C06t Co6t C06t C06t use C06t Period (1992$) 

Btuh/W (1992$) 0992$) 0992$) 0992$) 0992$) kWhlYr (1992$) (years) 4% 6% 10

0 B.uc1lDe 9.70 $811.33 SO.OO SO.OO $1603.59 3534 $300 NA $4,934 $4,513 $3,

1 o+EvIJlllPl« SIll FinJ 9.81 $811.53 $0.20 $0.00 $0.00 $1603.99 3494 $296 0.12 $4.897 $4,480 $3.

2 1+Reciprocating 10.91 EER 10.67 $818.83 $7.30 $0.00 $0.00 $1618.42 3213 $272 0.55 $4,647 $4,264 $3.

3 2+MoreEmclctlt PSC Fan Motor (68.5% 10.95 $826.04 $7.21 $0.00 -$7.61 $1625.06 3131 $265 0.63 $4.575 $4,202 $3.

4 3 +MoreEmclctlt C<lcldcmer PSC Fill Motor (68.S%) 11.07 $830.99 $4.95 SO.OO -$15.22 $1627.23 3097 $262 0.64 '$4,546 $4,176 53.

5 4 +C<lcldcmer Grooved Tubes 11.44 $836.95 $5.96 SO.OO -$15.22 $1639.01 2997 $254 0.78 $4,463 $4,106 $3.5

6 5 +nme Delay Relly 11.88 $843.45 $6.50 $0.00 -$15.22 $1651.86 2886 $245 0,88 $4,372 $4,028 $3.

7 6 +Scroll Compreuor: 11.50EER I Non·Bleed TXV 12.67 $879.86 $36.41 $0.00 ·$15.22 SI723.82 2706 $229 1.71 $4,274 53,951 $3,4

a 7 +IDt;nuoEvaporator FlD {)emily to 14 (pI 12.70 S880,61 SO.75 $0.00 -$15.22 SI725.31 2699 S229 1.72 $4,269 53,948 S3,4

9 8+IDt;nuoEvaporalOr Face Aru to 6.60 .q.n. 13.60 $902.83 $22.22 SI6.98 -$15.22 S1786.20 2522 $214 2.13 $4,163 $3,863 S3,

10 9+lDc:rouo CoadalIer Face Aru to 18,03 .q.n, 14.14 $923.63 $20.80 S51.S4 ·$15.22 $1861.87 2425 $206 2.75 $4,147 $3,858 S3,4

11 10+lDc:rouo CoodcoIer FiD {)emlty to 22 Cpi 14.18 $926.0S $2.42 $51.54 ·SI5.22 $1866.66 2418 $205 2.78 $4,145 53,857 $3,4

12 11 +lDc:rouo BvapcnlOr Pace Aru to7,SO .q.n, 14.36 $934,16 $8.11 $57.71 ·$1S.22 $1888,86 2388 $202 2.94 $4,140 $3.855 53,4

13 12+BvIJlllPl« ECM Fan Motor 15.00 51,075.37 $141.21 $57.71 $0.40 $2183.S8 2286 $194 5.48 $4.338 $4,066 $3,

14 13 +I!lce1rOa1c Expanaloo Valve 15.19 $1,151.54 $16.17 $57.71 $9.38 $2343.11 2257 $191 6.83 $4,470 $4.201 S3,

IS 14 +Coodcm«ECM Fan Motor 15.35 $1,218.09 $66.55 $57.71 $16.99 $2482.25 2234 .S189 7.97 $4.587 $4,321 S3,

16 15+Inaeue Condenler Face Area to 28.33 ,q.n. 15.70 $1,260.97 $42.88 $126.82 $16.99 $2636.12 2185 $185 9.03 $4,695 $4.435 $4,0

17 16+Inaeue Condenler Tube Density to 2 roWi 15.96 $1,363.79 S102.82 $126.82 $16.99 $2839.34 2149 $182 10.53 $4,865 $4,609 $4,2

18 17+Two-Speed Reclp-Comprelsor System 16.94 $1,532.98 $169.19 $120.65 $31.3S $3181.93 2025 $172 12.34 $5,090 $4.849 $4,419 17 +Variable-Speed Rccip-Comprcl&Or Sy.tem 16.95 $1,947.94 $584.15 $120.65 $18.22 $4048.97 2023 $172 19.10 $5,956 $5.715 $5,

20 17 +Two-Speed Scroll·CoJJlpmisor SY5tem 17,00 $1.85S.80 $492,01 $126.82 $74.19 $3869.00 2018 $171 17.62 $5,770 55,530 $5,

21 17 +Variable-Speed ScrolJ·ComP!'CS$or System 19.30 $2,005.96 $642.17 $126.82 $80.75 $4172.35 1776 $151 17.24 55.846 $5.635 55,

AlS!!I!IpdONj

1 Elcclrlcity COlt. O.085"Wh (average COlt In 1999 obtained from an Interpolation of the 1995 and 2000 prices oC electricity forecastln DOE', Annual Energy Outlook 1993. inflated

to 1992 doUan). The Intapolated value for 1999 is 0.082 $ikWh (1991$) or 0.085 after adjusting for Inflation from 1991 to 1992. The electricity price enduse factor for CAC is 1.0 (no adjus

2 LifeliDlo. 15 yean. Mulcup factor =1.98.

3 Two-Speed and Varlablo-Speed Reciprocating Comprenor Systems Include III indoor coil face area that hu been reduced to 6.60 sq.n.

4 InltaUatioo and MalntalWlce Co6t1 Cor each design option arc total differential COlli from the buellne unit.

6 Baseline 1IDll1Dc1udel:

BvaponlOr. 4.13 1lI.ft., 13 finIIlnch, Wavy FiN. 3 lUbe rows, Groove Tubes

CoodclDIer; 12.88 ",.ft., 20 filii/inch, Slit FiN. lwbe row, SlDooth Tubes

CompreAOr. ReclprocatIng, 10.20 EER (nominal)

BvlpOnlOl' Fan Motor: PSC, 58.5% efficient

CoodeIlIer Fan Motor: PSC, 58.5% efficient

EDhancaDc:at Devicea: Nooe

o Noo-BIcccl '1'1lcnDoItatic Explllllion Valve replaces the need for a Time Delay Relay.

7 Maxlmum SeDIlblc Heat RatIo .. 75.7%

8 BvlpOnlOl' ECM Fan MOlOr 11 modulated. Coct oC fill motor Includes electronic modulating conlrol•.

e CcadcnIerECM Fan Motor II run at I .lngle speed.

 CE-RM-93-801 COMMENT 0AA SEER [Leve Design Option ' . Btuh/W 0 B.uo1lDe 9.70 1 0+ Evap<nl« Slit FIna 9.81 2 1 + Reclprocatlng Compre5Ior. 10.91 EER 10.67 3 2 + More Emclcllt Evapoqtor PSC Fan Motor (68.5% 10.95 4 3 + More Emclcllt C<lodaIser PSC Fan Motor (68.5%) 11.07 5 4 + C<lodaIser Grooved Tubes 11.44 

6 S + nme Dola)' Rela)' 11 .88 

7 6 + Scroll Compreuor: 1l.SOEER/Non·Bleed TXV 12.67 

8 7 + Evaporator FlO Density to 14 fpl 12.70 

9 8 + EvaponlOr Face Aru to 6,60 Iq.n. 13.60 

10 9 + 1Dcrou, Coa4cmer Face Aru to 18.03 Iq.n. 14.14 

11 10 + Coodcnaer PiD Density to 22 rpl 14.18 

12 11 + IDcrouo BvaponlOr Pace Aru to 7.50 Iq.n. \4.36 

13 12 + Bvap<nl« ECM Pan Motor 15.00 

14 13 + B10C1r0ak: Expanaioo Valve 15.19 15 14 + Coadcmer ECM Fan Motor 15.35 16 IS + J:Daeuo Condenler Face Area to 28.33 sq. n. 15.70 

17 16 + J:Daeuo Condenier Tube Density to 2 rows 15.96 

18 17 + Two-Speed Rcclp-Compressor System 16.94 19 17 + Variable-Speed Recip-Com pressor Syl tern 16.95 

20 17 + Two-Speed SI;roU-Comprc&sor Sy5tem 17,00 

21 17 + Variable-Speed Scroll-Compressor System 19.30 

AssumpdoN: 

Life Cycle Costs and Payback Periods or 3·ton, Single Package System Central Air Conditioner 

Dratt Version 

Incr. DiCCemitial DiCC=tiai Ins.talled Annual AnnU41 Cumul. Lifecycle COOlS 

Manufr Manufr Installa1lon Malntenancc COllSUDler EIec. Energy Payback 

Coot Coot Co6t Coot Coot use cost Period (19925) 

(19925) (9925) Jl9925J (19925) kWhlyr (1992$) (years) 4% 6% 10

$811.33 SO.OO SO.OO $1603.59 3534 $300 NA $4,934 $4,513 $3,

$811.S3 SO.20 SO.OO SO.OO $1603.99 3494 $296 0.12 $4.897 $4.480 $3.

$818.83 $7.30 SO.OO SO.OO $1618.42 3213 $272 0.55 $4,647 $4,264 $3,

$826.04 $7.21 SO.OO -$7.61 $1625.06 3131 $265 0.63 $4,575 $4,202 $3,

$830.99 $4.95 SO.OO -$15,22 $1627.23 3097 $262 0.64 '$4,546 $4,176 $3,$836.95 $5.96 SO.OO ·$15.22 $1639.01 2997 $254 0.78 $4,463 $4,106 $3,5$843.45 $6.50 SO.OO ·$15.22 $1651.86 2886 $245 0.88 $4,372 $4,028 $3,$879.86 $36.41 SO.OO -$15.22 $1723.82 2706 $229 1.71 $4,274 $3,951 $3,4

$880,61 SO.75 SO.OO ·$15.22 $1725.31 . 2699 $229 1.72 $4,269 $3,948 $3,4$902.83 $22.22 $16.98 ·$15.22 $1786.20 2522 $214 2.13 $4,163 $3,863 $3,4

$923.63 $20.80 $51,54 -$15,22 $1861.87 2425 $206 2.75 $4,147 $3.858 $3,4

$926.05 $2.42 $51.54 -$15.22 $1866.66 2418 $205 2.78 $4,145 $3,857 $3,4

$934.16 $8.11 $57.71 -$15.22 $1888.86 2388 $202 2.94 $4,140 $3.855 S3,

SI,075.37 $141.21 $57.71 SO.40 $2183.58 2286 $194 5.48 $4,3n $4,066 $3,6

$1,151.54 $76.17 $57.71 $9.38 $2343.11 2257 $191 6.83 $4,470 $4.201 $3,7

$1,218.09 $66.55 $57.71 $16.99 $2482.25 2234 SI89 7.97 $4,587 $4,321 S3,

SI,260.97 $42.88 SI26.82 $16.99 $2636.12 2185 $185 9.03 $4,695 $4,435 $4,0

$1,363.79 $102.82 $126.82 $16.99 $2839.34 2149 $182 10.53 $4,865 $4,609 $4,2$1,532.98 $169.19 $120.65 $31.35 $3181.93 2025 SI72 12.34 $5,090 $4.849 $4,4$1.947.94 $584.15 $120.65 $78.22 $4048.97 2023 $172 19.10 $5,956 $5.715 $5,

$1,855.80 $492,01 SI26.82 $74.19 $3869.00 2018 $171 17.62 $5,770 $5,530 $5,

S2,005.96 $642.17 $126.82 $80.75 $4172.35 1776 $151 17.24 $5.846 S5.635 S5,

1 E1cclricity IXlCt. 0.085 $i\Wh (average cost In 1999 obtained from an Interpolation oC the 1995 and 2000 prices of electricity Corecast In DOE's Annual Energy Outlook 1993, inflated 

to 1992 doUan). The Intapolatcd value for 1999 is 0.082 $JkWh (1991$) or 0.085 after adjusting Cor In11atiOD from 1991 to 1992. The electricity price enduse factor for CAC is 1.0 (no adjus

2 LiCetlmo. 15 yean. Marltup raelor' '" 1.98. 

3 Two-Speed and Vulablo-Speed Reciprocating Compressor Systems Include an Indoor coil face area that b&8 been reduced to 6.60 sq.ft. 

" Installalloa and Maintl.lWlce Co6t1 ror eacb design option are total differential costs from the bueline unit. 

6 B.uo1lDe unlllncluclu: 

Evaporator: 4,13 sq.ft.. 13 fins/1Dch, Wavy Fins, 3 tube rows, Groove Tubes 

CoodcDIer. 12.88 ",.ft.. 20 rllll/inch. Slit Fins, 1 tube row, Smooth Tubes 

CompreAOr. ReclprocaIIng, 10.20 EER (nomin&l) 

EvaponlOr FID Motor. PSC. 58.5% efficient 

CoadeIIIer Fan Motor: PSC, 58.5% efficient 

EDbanc:emc:ll1Dev1cea: NODe 

e Noo-BIcccl 'l'bcnnoItaIIc ExpaDIion Valve replacC$ the Deed for a Time Delay Relay. 

7 Maximum SeIIIlb\c Heal RatIo .. 75.7% 

8 EvaponlOr ECM FID Motor iJ modulated. Coct or Can motor Includes electronic modulatln8 conlroll. 

8 CcodeuIer ECM Fan Motor II run at a lingle ipeed. 
7/29/93

Life Cycle Cost for 3-ton Single Package System

Central Air Conditioner: Draft

$6,000$5,500

$5,000

...

-

N

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C $4,500

o

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$4,000

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7/29/93 

Life Cycle Cost for 3·ton Single Package System 

Central Air Conditioner: Draft 

--0- 4% discount rate 

- - tI - - 6% discount rate 

- - - - +- - - - 10% discount rate 

. / 

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,+ 

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, -+ - ----. - , , - - - +- - - ..... . 

11.0 13.0 15.0 

SEER 

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$6.000

7/29/93

Life Cycle Cost for 3-ton Single Package System

Central Air Conditioner: Draft

$5.500

_ $5.000

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-' $4.500

$4.000

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$5,500 

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7/29/93 

Life Cycle Cost for 3-ton Single Package System 

Central Air Conditioner: Draft 

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

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11.0 13.0 15.0 

SEER 

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19.0 
.rr:'

Life Cycle Coals and Payback Periods of 3-10n, Single Package System Central Heat Pump

Draft Version

Incr. Differential Diff=tial Inll&1led Annual Eloc Use Annual Cumul. Lifecycl

SEER HSPF Manufr Manufr Inatal1&tioo Maintenance CONUmOt Cooling He-ting Energy Payback 

lMlp OpliCll Cotl Cost Cost Cost COlt COllI Period (199

BlUh/W BlUh/W (1992.S) (1992.S) (1992$) (1992$) (1992.S) kWh/yr kWhlyr (1992$) (years) 4% 6% 

0 Buelino 9.70 6.69 $602.59 - SO.OO $0.00 $1282.91 3764 8,379 51.029 NA 512,727 511,

1 0+ Indoor Ceil Slit Fm. 9.82 6.79 $602.59 SO.OO SO.OO $0.00 SI282.91 3719 8,261 S1,015 0,00 512,573 Sl1.

2 1+ IncrcuG IndoorCoil Fill Daui1y lo 14 !pi 9.85 6.82 $603.25 SO.66 SO.oo $0.00 $1284.32 3708 8,225 Sl,Ol1 0.08 S12,530 SII,1

3 2+ Men EmcIenIIndoorPSC Fan MOlar (68.5%) 10.12 6.91 $610.46 S7.21 SO.oo -S7.61 SI292.06 36([1 8.108 5993 0.25 S12,333 S10.

4 3+IIIllO Delay Rc1ay 10.41 7.06 $616.96 $6.50 SO.oo -$7.61 S1305.90 3506 7,943 S970 0.39 512.095 510.7

5 4+Men Ef1idaIIOuldoor PSC Fan Molar (68.5% 10.52 7.14 $623.26 $6.30 $0.00 -SI5.22 $1311.70 3471 7,846 $959 0.41 SI1,977 S10,

6 5+IncrcuG Indoor Call PlCO kca lo 4.97 "I.f'l. 11.22 7.34 $636.84 S13.58 $9.74 ·SI5.22 S1350.35 3254 7.637 $923 0.64 S11,614 S10,

7 6+DcmancI Dc60Il 11.22 7.56 $648.34 SI1.50 S9.74 -$15.22 $1374.84 3254 7,415 S904 0.74 51 I ,429 S10.

I 7 lo 6.39 "I.ft. 11.58 7.79 $663.40 $15.06 $19.48 -SI5,22 $1416.64 3152 7,199 S877 0.88 511,171 59.9

9 8+Ouldocr Coil Otoovcd TubcI 11.88 7.83 $670.39 $6.99 $19.48 -$15.22 $1431.52 3073 7,162 5868 0.92 511,077 59,8

10 9+Rec:ip:oc:&1iIla Compn:aIor. 10.92 EER 11.91 7.92 $677.14 $6.75 $19.48 -$15.22 $1445.89 3065 7,081 5860 0.96 $ll.007 S9,7

11 10 +Rec:ip:oc:&liq Canprcuar: 11.26 EER 12.41 8.13 $692.04 $14.90 $19.48 -SI5.22 $1477.61 2941 6,896 $834 1.00 S10.748 59,5

12 11 +&:1011 Canpnuor; 11.50 EBR 12.95 8.14 S719.28 $27.24 $19.48 -$15.22 $1535.61 2819 6,885 $823 1.22 510.681 S9,5

13 12 +Naa·BIoGd '1lIomIottatie E1panala1 Valve. 13.27 8.35 $731.23 SI1.9S $19.48 ·$15.22 $1561.05 2751 6.714 $802 1.23 S10,481 S9,3

14 13 +mCI'GUCI Indoor Coil FICO kca lO 7.50 "I.ll 13.48 8.39 $741.52 $10.29 $27.09 -$15.22 S1590.57 2708 6,684 $796 1.32 S10,442 S9,3

15 14+1IlCI'GUCI OuldocrCall PICO Azu lO 21.00 aq.ft. 13.90 8.50 $766.84 $25.32 $67.35 -$15.22 $1684.73 2626 6,593 $781 1.62 510,373 S9,2

16 15 +OuldoorHeM Pan MOl« 14.04 8.68 $839.53 $72.69 $67.35 -$7.61 51847.10 2600 6,461 $768 2.16 S10,385 S9,3

17 16 +1IlCI'GUCI Indoor CoilTubcl DcnIily lO 4 roWi 14.13 8.71 5860.66 $21.13 $67.35 -$7.61 $1892.09 2584 6,436 $765 230 S10,393 S9,3

18 17 + InCl'GUClOuldocrCoil FICO Azu lO 27.00 aq.ft. 14.38 8.79 S885.92 $25.26 S107.61 -$7.61 S1986.12 2539 6,379 S756 2.57 S10,391 S9,319 18 + IDdoarECM Pili MOlOr 15.06 8.94 SI,027.03 S141.11 S107.61 S8.Dl $2302.17 2425 6,271 $737 3.49 S10,497 S9,4

20 19 +E1cc:uaaic EIpIIl&iaa Valvo 15.25 8.99 SI,07S.37 $48.34 $107.61 $16.99 $2414.06 2394 6,238 $732 3.80 S10,548 S9,5

21 20 +Two-SJlC*I Rccip-CompIUIQ' Symrn 16.36 9.05 $1,252.58 5177.21 $107.61 $30.72 $2805.07 2232 6,197 5714 4.83 S10,748 $9.7

22 20 + Vaiablo-Spccd Rccip-Canprcuor Symrn 16.47 9.45 $1,663.91 $588.54 $107.61 $76.14 $3726.21 2217 5,935 $691 7.22 SII,408 510,4

23 20 + Two-SJlC*I SaoIl-CompRUOl' Syalelll 16.89 9.54 $1,563.49 $488.12 5107.61 $71.75 $3508.03 2162 5,879 S682 6.40 S11,085 S10,

24 20 + Vaziablo-Sllccd S<:roll-COIlIll1'CUOr SYIlem 18.55 10.20 SI,713.45 $638.08 S107.61 $78.31 $3833.86 1968 5495 5633 6.43 S10,867 59.9

Agumptiqu·

1 ElCiCllk:ity COlt - O.OSS $kWh (Iverago COOIt in 1999 obtained from In interpol.tion of tho 1995 and 2000 price. of eleclricity force"'l in WE's Annual Energy Outlook 1993, inllated

lO 1mdollm). ThGintelp01ated valuo for 1999 if 0.082 $IkWh (19915) or 0.085 after adjustin8 for inflatioo fran 1991lO 1992. The electricity price enduse faclor for CAC iJ 1.0 (no .djusunent).

,

2 llielimG -15 yean. Mulwp factor. 2.13.

3 BucJino IIIIil inc1lldOl:

Indocr Call: 3,55 aq.fl.,13 fiIWinch. WIVY FInI, 3wb<: rowa, Groovo Tubea

Outdoor CoIl: 15.00 "I.f'l.. 20 finrMch, Slit FinJ, lwb<: row, Smooth Tubea

CaupRaar: Rec:ip:oc:&lini, 10.80 E.ER (nominal); A=ualOr

IndocrFill Maar: PSC. 58.5" officiclll

Outdoor Fan Motor: PSC, 58.5" cfIicicnt

Jlnhan.....n..l'Dovica: NOIIG

4 AllTwo-SpoocI and Vaziablo-SJlC*I Compreuor SyltenU includo an Accumulator.

Ii MWmIllD SoIIalbIo11mRatio. 75.7%

6 InJla11atloa and maiDIQlaOCO COItIIIC lOU! dilferential COItI fran the baae1ino unit

7 Naa-BIoGd TbozmOlUtie E1pan1iaa ValvCl replAce the need for I Time Delay Relay and an Accumulator.

8 EvapcntorECM Fan Moloria modulated. Coo c1 fan mOlar include. electronic modulating coolrou,

9 CoocIonIor ECM Pili Motor ill\lII II I alna10 apeed.

 CE-RM-93-801 COMMENT 0AA Life Cycle Coals and Payback Periods of 3-ton, Single Package System Central Heat Pump Draft Version Incr. Differential Diff=tial Inlt&lJed Annual Eloc Use Annual Cumul. Lifecycl

SEER HSPF Manufr Manuf'r Maintenance CO/IIllmOl Cooling Heating Energy Payback LevO: Dclip 0pIi<Xl COIl Cost Cost Cost COlt COllI Period (199

Btuh/W Btuh/W (1992.S) (1992.S) (1992S) (1992S) (1992.S) kWh/yr kWh/yr (1992$) (years) 4% 6% 0 BueIlno 9.70 6.69 $602.59 - SO.OO SO.OO SI282.91 3764 8,379 51,029 NA 512,727 511,

1 0+ Indoor eon SID PiIII 9.82 6.79 $602.59 SO.OO SO.OO SO.OO $1282.91 3719 8,261 SI,015 0.00 S12,573 Sl1,

2 1 + r-Indoor Coli Fin Daui1y 10 14 fpi 9.85 6.82 $603 .25 SO.66 SO.OO SO.OO SI284.32 3708 8,225 SI.011 0.08 512,530 SII,

3 2+ Men l!.mcIenllndoorPSC Fan Mocor (68.5%) 10.12 6.91 $610.46 $7.21 SO.OO -57.61 $1292.06 3607 8,108 5993 0.25 $12,333 S10,

4 3 + 1lIII0 DoIay Relay 10.41 7.06 $616.96 $6.50 SO.OO -$7.61 $1305.90 3506 7.943 5970 0.39 512,095 S10,

5 4 + Men EftidaII OuIdoor PSC Fan Molar (68.5% 10.52 7.14 $623.26 $6,30 $0.00 -$15.22 $1311 .70 3471 7.846 5959 0041 SII,977 510,

6 5 + r-Indoor Call FICO A:lc.a 10 4.97 "I.f't. 11.22 7.34 $636.84 $13,58 $9.74 -$15.22 $1350.35 3254 7,637 5923 0.64 S11 ,614 $10,

7 6 + Demand DciraIl 11.22 7.56 $648.34 $11.50 $9.74 -$15.22 $1374.84 3254 7,415 5904 0.74 511,429 $10,

I 7 + r- Coli FICO A:lc.a 10 6.39 "I.fi. 11.58 7.79 $663.40 $15.06 $19.48 -$15,22 $1416.64 3152 7.199 5877 0.88 $11,171 59,9

9 8 + Outdocr Coil Oroovcd TuboI 11.88 7.83 $670.39 $6.99 $19.48 -$15.22 $1431.52 3073 7.162 $868 0.92 511,077 59,8

10 9 + R.ecip:oc&IiDa CClInpn:aIor. 10.92 EER 11.91 7.92 $677.14 $6.75 $19.48 -$15.22 $1445.89 3065 7.081 S860 0.96 SII,007 59,7

11 10 + R.ecip:oc&q CcmpRllar: 11 ,26 HER 12.41 8.13 $692.04 514.90 $19.48 -$15.22 $1477.61 2941 6.896 S834 1.00 510,748 S9,5

12 11 + &:lOll Ccmpnuor; 11.50 BER 12.95 8.14 $719.28 $27.24 $19.48 -$15.22 $1535.61 2819 6.88S S823 1.22 510,681 59,5

13 12 + Naa-Blood '1bGmIoIulie &panalal Valve. 13.27 8.35 $731.23 $11.95 $19.48 -$15.22 $1561.05 2751 6,714 $802 1.23 510,481 59,3

14 13 + Iuc:rouo Indoor Coil Faco Area 10 7.s0 aq.1l 13.48 8.39 S741.52 $10.29 $27.09 -$15.22 $1590.57 2708 6,684 $796 1.32 510.442 59,3

15 14 + Iuc:rouo Outdocr Coil FICO A:lc.a 10 21.00 'q.fi. 13.90 8.50 $766.84 $25.32 $67.35 -$15.22 $1684.73 2626 6,593 $781 1.62 510,373 $9,2

16 15 + 0uId0ar BeN Fan Molar 14.04 8.68 $839.53 $72.69 $67.35 -$7.61 $1847.10 2600 6.461 $768 2.16 510,385 59,3

17 16 + Iuc:rouo Indoor Coil Tube DcnIily 10 4 roWl 14.13 8.71 $860.66 $21.13 $67.35 -$7.61 $1892.09 2584 6,436 $765 2.30 S10.393 $9,3

18 17 + Inc:rouo Outdocr Coil Faco A:lc.a 10 27.00 'q.fi. 14.38 8.79 $885.92 $25.26 $107.61 -$7.61 $1986.12 2539 6,379 5756 2.57 510,391 59,319 II + Iudoar ECM Fill Mocor 15.06 8.94 $1.027.03 $141.11 $107.61 $8.D1 $2302.17 2425 6.271 $737 3.49 510,497 59,4

20 19 + E1cctraaic Bxpanaiaa Valve 15.25 8.99 SI,075.37 $48.34 $107.61 $16.99 $2414.06 2394 6,238 $732 3.80 $10.548 $9,5

21 20 + Two-Spood Rccip-CompIUl<lr Symrn 16.36 9.05 SI.2S2.58 5177.21 $107.61 $30.72 $2805.07 2232 6,197 5714 4.83 510,748 59.722 20 + Va:i&blo-Spccd llccip-CompRllor Symrn 16.47 9.45 Sl,663.91 S588.54 $107.61 $76.14 $3726.21 2217 5,935 $691 7.22 511.408 510,23 20 + Two-Spood S}"tem 16.89 9.54 $1,563.49 $488.12 $\07.6\ $71.75 $3508.03 2162 5,879 $682 6.40 $1 \,085 510,

24 20 + Va:i&blo-Spced S<:roIl-Compreuor Syuem 18.55 10.20 $1.713.45 $638.08 $107.61 $78.31 $3833.86 1968 5495 $633 6.43 S 10.867 S9.9

Auumptiqu· 

1 Bloetdl;:ily COlt. 0.085 $kWh (avengo COlt in 1999 obtained from an intc:polation of tho 1995 and 2000 price. of elecuicity forceasl in OOE'. AnnUli Energy Outlook 1993, inllated 

10 1m cIollm), TboiDlClpOlatcd value for 1999 is 0.082 $kWh (1991$) or 0.085 after adjusting for inflation fran 199110 1992. The el=icity price enduse ficlor for CAC is 1.0 (no Idjusunenl). 

2 lliClimo. IS )'CUI. Mmup faaor • 2.13. 

3 Buelino IlIlit iDclIIdCl: 

Indoor Coil: 3.55 aq.tL.13 Wavy F'1Ill. 3 tube row" Groove Tubol 

<Mdoor Coi1: 15.00 aq.f't.. 20 finlMch. SID Fins. 1 tube row. Smooth Tubol 

ec.mp-or: R.ecip:oc&tini. 10.80 HER (nominal); Ac=nulalOr 

Indoor Fan Maar: PSC. SI.s'lo officiau 

<Mdoor Fan Mocar: PSC, SI.s'lo ef!icicnt 

Fnhancwnan DoviccI: NOIIO 

4 All Two-SpcccI and Vuiablo-SpcccI Compreuor SyJtcnU includo an Accumulator. 

7 NOlI-Blood TbazmOllllle &pansiaa Valves replAce the need for I Time Delay Relay and an Accumulator. 

8 Bvaporator ECM Fan MoIoris modulated. COlt c1 fan motor include. electronic modulating coolrou. 

9 ConcIcnIar ECM Fan MoIor 11II1II11 a .lnalo lpeed. 

, 
..,}

7/29/93

Life' Cycle Cost for 3-ton Single Package System

Central Heat Pump: Draft

--0- 4% discount rate

17.0 

,.

16.0

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$9,000

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7/29/93 

Life' Cycle Cost for 3-ton Single Package System 

Central Heat Pump: Draft 

--0-- 4% discount rate 

- - fJ - - 6% discount rate 

- - - - +- - - - 10% discount rate 

12.0 

-+ - - - -+ - ,+ .. -+ . 

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7/29/93

Life Cycle Cost for 3-ton Single Package System

Central Heat Pump: Draft

$11,500$11,000

-$10,500

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$10,000

$9,500$9,000

!--(}-- 6% discount rate I

2

3

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16.0 17.0 

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$10,500 

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$9,500 $9,000 

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9.0 10.0 11.0 

7/29/93 

Life Cycle Cost for 3-ton Single Package System 

Central Heat Pump: Draft 

1-0-- 6% discount rate 1 

2 

· 12.0 13.0 14.0 . 15.0 16.0 

SEER 

3 

17.0 
IJ .',

Lire Cycle Costs and Payback Periods or 5-lon, Single Package System Central Heat Pump

Drart Version

lncr. Diffc:rcntal Diffc:rcntal Installed AMual Elec Use Annual Cumul. Lifceycle 

SEER HSPF MAnufr MAnufr InIlallation Mmltenance Consumer Cooling Heating Energy Payback 

Level Ikaign 0pIi00 Cost Cost COIIt COIIt' Coat cost Period (1992

Btuh/W Btuh/W (1992$) (1992$) (1992$) (1992$) (1992$) kWb/yr kWb/yr (1992$) (YealS) 4% 6% 

.

0 Budino 9.70 6.85 $814.72 - $0.00 $0.00 $1924.37 5928 14,03g $1,692 NA $20,740 $18,36

1 o+WOOlCoil SlitFilla 9.77 6.91 S814.94 $0.22 SO.OO $0.00 $1924.89 5884 13.900 $1,677 0.03 $20,569 $18,21

2 1 + S<:zo11 C<lIIIprcaar: 11.30EER 11.13 7.31 Sg39.28 $24.34 $0.00 SO.OO $1982.38 5169 13,148 $1,553 0.42 $19,245 $17.06

3 2 +ll11lO Dolay Relay 11.53 7.44 $845.78 $6.50 $0.00 $0.00 $1997.73 4989 12,914 $1,517 0.42 $18,869 $16,73

4 3 + MenEfIic:IaJt Ouldoor PSC Fan Motor (68.5% 11.64 7.52 $852.08 $6.30 $0.00 -$7.61 $2005.00 4942 12,774 $1,502 0.42 $18,700 $16.58

5 4 + DemandDcfroIt 11.64 7.75 $863.58 $11.50 $0.00 -$7.61 $2032.17 4942 12,402 $1.470 0.48 $18,376 $16,30

6 5 + Naa-BIccd ThcrmOllllic Expanaion Valves 11.93 7.82 $885.28 $21.70 $0.00 -$7.61 $2083.42 4821 12,289 $\,450 0.66 $18,208 $16,16

7 6+ MorcEfIic:IaJt Indoor PSC Fan Motor (68.5%) 12.29 7.94 $895.07 $9.79 $0.00 -$15.22 $2098.94 4679 12,102 $1,422 0.65 $17,913 $15,91

8 7 + lDcn:uoIndoorCoil Faoc Area to 7.50 sq.ft. 12.67 8.14 $912.61 $17.54 $10.29 -$15.22 $2150.65 4537 11,799 $1,385 0.74 $17,545 $15,59

9 8 +IncreuoIndoorCoil Fin DcNity to 14 !pi 12.71 8.21 $914.41 S1.80 $10.29 -$15.22 $2154.91 4525 11.710 $1,376 0.73 $17,454 $15,51

10 9 + OuldoorCoil Grooved 'IU* 12.89 8.25 $928.85 $14.44 $10.29 -$15.22 $2189.01 4462 11,650 $1,366 0.81 $17,372 $15,45

11 10 + Jl\ec:ln:lnic ExplllJioo Valve 13.08 8.30 $977.19 $48.34 $10.29 -$6.24 $2312.17 4395 11,582 $1,354 1.15 $17,369 $15.46

12 11 + OutdoorECM Fan Motar 13.20 8.39 SI,049.89 $72.70 $10.29 SI.37 S2491.50 4358 11,454 $1,340 1.61 $17,392 $15,50

13 12 + IndoorECM Fan Motor 13.78 8.47 $1,229.94 S180.05 $10.29 SI6.99 $2932.40 4173 11,341 $1,315 2.67 S17,553 $15,70

14 13 +Two-Speed Rocip-Comp%euar System 15.57 8.55 $1,466.41 $236.47 $62.63 $33.00 $3559.29 3694 11,237 $1,266 3.83 $17,630 $15,85

15 13 + Rccip-C<lIIIpreaor Syatan 15.66 8.93 S1,861.33 $631.39 $62.63 $82.27 $4541.36 3671 10.761 $1,223 5.58 $18,142 $16,42

16 13 +Two-Speed Sc:ro1l-C<lIIIprcaaor Syatan 16.06 9.01 $1.778.00 $548.06 S62.63 $78.63 .$4340.90 3580 10,660 $1,207 4.98 SI7,76O $16,06

17 13 + Vuiab1o-SPCcd ScroI1-COIllDn>IIOI'Svatem 17.44 9.34 $1,911.33 $681.39 $62.63 $84.46 $4661.65 3296 10,283 $1,151 5.06 $17,459 $15,84

AMPwptioo,·

1 Elecuicity COlt .0.085 StkWh (average cost in 1999 obtained from an int<:tpolation of the 1995 and 2000 pooca of electricity forecast in DOE'a Annual Energy Outlook 1993, inflated

to 1992 dollm). The int<:tpolatcd value for 1999 iI 0.082 StkWh (1991$) or 0.085 after adjusting for inflatim from 1991 to 1992. The electricity price endWle factor for CAC is 1.0 (no adjustment).

2 Lifclimo. 15 yeaD. Mukup factor· 2.36.

3 Inatallatioo.and maintanlllCC COItI for each deaign option arc total differential costs from the baseline unit

4 Buelino IIIIit includca:

IndoorCoil: 6.00 sq.ft., 13 finllinch, Wavy Firu. 4 tube rows, Groove Tubes

OutdoorCoil: 19.5sq.ft.. 20 finl/inch, Slit Fin., 2 tube rows, Smooth Tubes

Ccmpn:uor: Rcciprocatina. 10.49 EER (nominal); A=ulator

Indoor Fan Motor: PSC. 58.5% efficient

OutdoorFm Motor: PSC. 58.5% efficient

Enhancanent DevIcca: Nono

5 AllTwo-Speed and Vuiablo-Speed C<lIIIprcssor Syatans include a outdoor coil area that hi, been increued to 27.30 aq.ft.

8 Muimum Scnaible HeatRatio. 75.7%

7 Noa-B1ccd 'l'bcmlooalic Expanaioo Valvca Iqllace the need for a Tunc Delay Relay; Accumulator.till required due to exceu refrigerant

8 EvapwatorECM Fan Motor ia modulated. Coat offan motor includea electronic modulating controla.

9 CmdaiaerECM Fan Motoria run at a .in&\e apecd.

 CE-RM-93-801 COMMENT 0AA Lire Cycle Costs and Payback Periods 0I5-ton, Single Package System Central Heat Pump Draft Version Incr. Diffc:rcntUl Diffc:rcntUl Installed Arutual Elee Use ArutuaJ Cumul. Lifccycle 

SEER HSPF MAnufr MAnufr Inrtallalion Mmltenoncc Consumer Cooling Heating Energy Payback Level Deaign Optioo Cost Cost COlt COlt ' Cost cost Period (1992

Btuh/W Btuh/W (1992$) (1992$) (1992$) (1992$) (1992$) kWhlyr kWh/yr (1992$) (ycus) 4% 6% . 0 Buclino 9.70 6.85 S814.72 - $0.00 50.00 51924.37 5928 14,038 $1,692 NA $20,740 $18,36

1 o + WOOl Coil Slit Filla 9.77 6.91 $814.94 $0.22 SO.OO $0.00 $1924.89 5884 13,900 $1 ,677 0.03 $20,569 $18,21

2 1 + S<:zon Ccmprcuor: 11.30 ERR 11.13 7.31 $839.28 $24.34 $0.00 $0.00 $1982.38 5169 13,148 $1,553 0.42 $19,245 $17,06

3 2 + TIDIO Delay Relay 11.53 7.44 $845.78 $6.50 $0.00 $0.00 $1997.73 4989 12,914 $1,517 0.42 $18,869 $16,73

4 3 + Men El!ic:IaJl OIIIdoor PSC Fan Motor (68.5% 11.64 7.52 $852.08 $6.30 $0.00 -$7.61 $2005.00 4942 12,774 $1,502 0.42 $18,700 516,58

5 4 + Demand DcfnlIt 11.64 7.75 $863.58 $11.50 50.00 -57.61 $2032.17 4942 12,402 51.470 0.48 $18,376 $16,30

6 S + NCII-Blccd ThcrmOlIl1ic Expamion Valves 11 .93 7.82 $885.28 $21.70 SO.OO ·$7.61 $2083.42 4821 12,289 $1.450 0.66 $18,208 $16,16

7 6 + More El!ic:IaJl Indoor PSC Fan Motor (68.5%) 12.29 7.94 $895.07 $9.79 $0.00 -$15.22 $2098.94 4679 12,102 $1 ,422 0.65 $17,913 $15,91

8 7 + lDcRuoIndoorCoil Faoo Alea to 7.50 sq.ft. 12.67 8.14 $912.61 S17.54 $10.29 ·$15.22 $2150.65 4537 11,799 $1,385 0.74 $17,545 SI5,59

9 8 + IDcRuo Indoor Coil Fin Dc:nJity to 14 !pi 12.71 8.21 $914.41 $1.80 $10.29 -$15.22 $2154.91 4525 11,710 $1,376 0.73 $17,454 $15,51

10 9 + 0uId00r Coil <hoovcd Tubca 12.89 8.25 S928.85 $14.44 $10.29 -$15.22 $2189.01 4462 11,650 $1,366 0.81 $17,372 $15,45

11 10 + EIectzarlc Expmlioo Valve 13.08 8.30 $977.19 $48.34 $10.29 -$6.24 $2312.17 4395 11,582 $1,354 1.15 $17,369 S15,46

12 11 + Outdoor ECM Fill Motar 13.20 8.39 SI,049.89 $72.70 $10.29 $1.37 $2491.50 4358 11,454 $1,340 1.61 $17,392 S15,50

13 12 + Indoor ECM Fan Motor 13.78 8.47 $1,229.94 S180.05 $10.29 $16.99 $2932.40 4173 11,341 $1,315 2.67 S17,553 S15,70

14 13 + Two-Spccd Rocip-Comprcuar System 15.57 8.55 SI,466.41 $236.47 S62.63 $33.00 $3559.29 3694 11,237 $1,266 3.83 $17,630 $15,85

15 13 + VariabJo.Spccd Recip-Ccmpressor Syatan 15.66 8.93 $1,861.33 S631.39 $62.63 $82.27 $4541.36 3671 10,761 $1,223 5.58 $18,142 $16,42

16 13 + Two-Spccd Scroll-Compreuor Syatan 16.06 9.01 SI,778.00 $548.06 S62.63 $78.63 .$4340.90 3580 10,660 $1,207 4.98 $17,760 $16,06

17 13 + Variab1o-Spccd Scroll-CompnosaorSyatan 17.44 9.34 $1,911.33 $681.39 $62.63 $84.46 $4661.65 3296 10,283 SI,I51 5.06 S17,459 S15,84

Agpmptiml· 

Elecuicity c;oIt - 0.085 5J1tWh (average cost in 1999 obtained from an intc:tpolalion of the 1995 and 2000 prioca of electricity forecast in OOE'a Arutual Energy Outlook 1993, inflated 

to 1992 dollm). The intctpolated value far 1999 iI 0.082 SJ1tWh (19915) or 0.085 after adjusting for inf1aliat from 1991 to 1992. The electricity price cnduse for CAC is 1.0 (no adjusuncnt). 

2 Lifetimo. 15 )'UDI. Marlrup factor - 2.36. 

3 InItal1atioo. and maintllllllCC COItI for each dcaign option arc total differential co,ns from the b.acline unit 

4 Buclinc unil inc1udca: 

Indoor Coil: 6.00 sq.ft., 13 firuJinch, Wavy FinI, 4 tube rows, Groove Tubes 

Outdoor Coil: 19.5 sq.ft., 20 fini,Mch, Slit Fin., 2 tube rows, Smooth Tubes 

CcmpRUCr. Rociprocalina, 10.49 EER (nominal); ACtUmuiator 

Indoor Fan Mocor: Psc, 58.5% efficient 

Outdoor Fill Motor: PSC, 58.5% efficient 

EnhancanCllt Devicca: Nato 

5 All Two-Speed and V uiablo-Speed Ccmpressor Syltanl include a outdoor coilarca that ha. been in=ucd to 27.30 sq.ft. 

8 MuimumSalliblcHeatRaIi0-7S.7% 

7 Noo-Blccd 'l'bcrmooalic Expanaioo Valvca n:place the need for a TImo Delay Relay; A=ulator.till required due to exCCII refrigerant 

8 Evapwator ECM Fan Motor ia modulated. Cost of fan motor includca electronic modulating controla. 

9 CaulaiIorECMFan Motoria run at a.ingle apeed. 
7/30/93

Life Cycle Cost for 5-ton Single Package System

Central Heat Pump: Draft

-0-- 4% di

- - ii - - 6% di

----+- --- 10% d

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10.0 11.0 

7/30/93 

Life Cycle Cost for S·ton Single Package System 

Central Heat Pump: Draft 

'. , +- .... '-.- . ',.... ...... ...' 

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- - il - - 6% di

----.- --- 10% d

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SEER 

15.0 16.0 17.0 
7/30/93

Life Cycle Cost for S-ton Single Package System

Central Heat Pump: Draft

$19,000$18,000

I-D- 6% discount 

15

$16,000 + \-n

17

I

13 o-Q-ll.t.

10

I

$15,000

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9.0 10.0 11.0 

7/30/93 

Life Cycle Cost for S·ton Single Package System 

Central Heat Pump: Draft 

I-D- 6% discount 

15 

16 

17 

13 

10 

12.0 13.0 14.0 15.0 16.0 17.0 

SEER 
Lite Cycle Costs and Payback Periods of 304on, Split System Central Air Conditioner

Draft Version

Ina. Diffctelllial Diffctelllial Installed Annual Annual Cumul. Lifecycle Costs 

SEER Manufr Manufr Insl&l1ation MaintellaDl:tCoDSllDllll Elec. Energy Payback 

!Level Design Option Cost Cost COlt CoIIt Cost \1$0 cost Period (1992$) 

BlUhIW (1992$) (1992$) (1992$) (1992$) (1992$) lcWh/yr (1992$) (years) 4% 6% 10

0 Basellnc 10.00 $474.00 . SO.OO SO.OO $1l66.04 3428 $291 NA $4,397 $3,988 $3,3

1 o+Evaporalllr Slit FiDI 10.12 $474.20 $0.20 $0.00 SO.OO $1l66.53 3389 $287 0.15 $4,360 $3,957 $3,3

2 1+Reciprocating Compreuor: 10.91 EER 11.00 $481.50 $7.30 $0.00 SO.OO $1184.49 3117 $264 0.70 $4,122 $3,750 $3,1

3 2 + More Efficimt Evaporalllr PSC Fan Motor (68.5% 11.29 $488.71 $7.21 SO.OO -$7.61 $1194.62 3037 $257 0.86 $4,056 $3,694 $3,1

4 3 + More EfficiCllt CondCDliec PSC Fan Motor (68.5%) 11.42 $493.66 $4.95 $0.00 ·$15.22 $1199.18 3004 $255 0.92 $4,030 $3,672 $3,1

5 4 + CondCDliec Grooved Tubes 11.80 $499.62 $5.96 $0.00 ·$15.22 $1213.85 29m $246 1.08 $3,953 $3,607 $3,0

6 5+ TIme Delay Relay 12.25 $506.12 $6.50 $0.00 ·$15.22 $1229.84 2799 $237 1.20 $3,868 $3,534 $3,0

7 6 + Scroll Compreisor: 11.50 EER I Non-Blced TXV 13.07 $542.53 $36.41 $0.00 ·$15.22 $1319.40 2625 $222 2.25 $3,793 $3,480 $3,0

8 7 + Incrc.uo Evaporator Fin Density to 14 fpi 13.10 $543.28 $0.75 SO.OO ·$15.22 $1321.25 2618 $222 2.26 $3,789 $3,477 $3,0

9 8+ Inacue Evaporator Face Area to 6.60 sq.ft 14.02 $565.50 $22.22 $16.98 -$15.22 $1392.89 2447 $207 2.73 $3,699 $3,407 $2,9

10 9 + Incrc.uo CondCDlia' Face Area to 18.D3 sq.ft 14.58 $586.30 $20.80 $51.54 ·$15.22 $1478.62 2352 $199 3.43 $3,695 $3,415 $2,9

11 10+ Inc:rcuc CondCDliec Fin Denlity to 22 fpi 14.62 $588.72 $2.42 $51.54 ·$15.22 $1484.57 2346 $199 3.47 $3,695 $3,415 $2,9

12 11 + Incrc.uo Evaporator Face Area to 7.50 sq.ft 14.80 $596.83 $8.11 $57.71 -$15.22 $1510.69 2317 $196 3.66 $3,694 $3,418 $3,0

13 12+ Evaporat« ECM Fan Motor 15.46 $738.04 $141.21 $57.71 SO.4O $1873.69 2218 $188 6.90 $3,964 $3,699 $3,3

14 13 + E1eclrottic Expansion Valve 15.66 $814.21 $76.17 $57.71 $9.38 $2070.05 2189 $186 8.61 $4,133 $3,872 $3,415 14 + Coodemec ECM Fan Motor 15.83 $880.76 $66.55 $57.71 $16.99 $2241.37 2167 $184 10.06 $4,283 $4,025 $3,6

16 IS + Incrc.uo Condensec Face Area to 28.33 sq.ft 16.18 $923.64 $42.88 $126.82 $16.99 $2415.96 2119 $180 11.27 $4,413 $4,161 $3,7

17 16 + Incrc.uo Condensec Tube Denlity to 2 rows 16.45 $1,026.46 $102.82 $126.82 $16.99 $2668.90 2085 $177 13.20 $4,634 $4,385 $4,0

18 17 + Two-Speed Reclp-Compressor Systero 17.46 $1,195.65 $169.19 $120.65 $31.35 $3093.30 1964 $166 15.53 $4,944 $4,710 $4,3

19 17 + Variablo-Speed Recip-Compressor Systero 17.47 $1,610.61 $584.15 $120.65 $78.22 $4160.97 1963 $166 24.12 $6,011 $5,777 $5,4

20 17 + Two-Speed Scroll·Compressor System 17.52 $1,518.47 $492.01 $126.82 $74.19 $3936.45 1957 $166 22.22 $5,781 $5,547 $5,1

21 17 + Variablo-Spccd Scroll·Compressor System 19.90 $1,668.63 $642.17 $126.82 $80.75 $4312.40 1723 $146 21.77 $5,936 $5,731 $5,4

Assumptions:

1 Electricity cost =0.085 $i\Wh (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 dollan). The interpOlated value for 1999 is 0.082 $i\Wb (1991$) or 0.085 after adjusting for inflation from 1991 to 1992. The electricity price enduse factor for CAC is 1.0 (no adju

2 Lifetime. 15 yun. Marlrup factor =2.46.

3 Two-Speed and Vanable-Speed Reciprocating Compressor Systems include an indoor coil facc area that has been reduced to 6.6 sq.ft

4 Installation and Maintanance CoIIts for ucb design option arc total differential COlits from the baseline unit

5 Baseline IIDIl includes:

Evaporator: 4.13 sq.fl.. 13 fins/i.ncb, Wavy Fins. 3 lUbe rows. Groove Tubes

Coodtmcr: 12.88 aq.fl.. 20 fma/inch, Slit Fins. 1 tube row, Smooth Tubes

Compreuor: Reciprocating. 10.20 EER (nominal)

EvaponlllrFan Mot«: PSC, 58.5% efficient

CondCDliec Fan Motor: PSC. 58.5% efficient

Devlcu: None

e NOll-Blced Tbenno6tatic Expansion Valve replaces the need for a Time Delay Relay

7 MaximlDD Sensible Heat Ratio =75.7%

8 Evaporalllr ECM Fan Motor Is modulated. COlit of fan motor includes electronic modulating controls.

g Coodemec ECM Fan MOlllr is run at a single speed.

 CE-RM-93-801 COMMENT 0AA SEER Level Design Option BtuhIW 0 Base1lnc 10.00 1 o + Evaporator Slit FiDI 10.12 2 1 + Rcciprocaling Comprcuor: 10.91 EER 11.00 3 2 + More EfficIent Evaporator PSC Fan Motor (68.5% 11.29 4 3 + More EfficIent Condenser PSC Fan Motor (68.5%) 11.42 5 4 + Conderuic:r Grooved Tubes 11.80 6 5 + TIme Delay Relay 12.25 

7 6 + Scroll Compreiaor: 11.50 EER I Non-Bleed TXV 13.07 

8 7 + Increase Evaporator Fin Density to 14 Cpi 13.10 

9 8 + Inaeue Evaporator Face Area to 6.60 sq.ft. 14.02 

10 9 + Increase Cooderuic:r Face Area to 18.03 sq.ft. 14.58 

11 10 + Inaeue Condenser Fin Density to 22 Cpi 14.62 

12 11 + Increase Evaporator Face Area to 7.50 sq.ft. 14.80 

13 12 + Evaporator ECM Fan Motor 15.46 

14 13 + ElecVoDlc Expansion Valve 15.66 15 14 + Coodcmer ECM Fan Motor 15.83 

16 15 + Increase Condenser Face Area to 28.33 sq.ft. 16.18 

17 16 + Increase Condenser Tube Density to 2 rows 16.45 

18 17 + Two-Speed Reclp-Compressor Systezn 17.46 

19 17 + Variablo-Speed Recip-Compressor Systezn 17.47 

20 17 + Two-Speed Scroll·Compressor SY5lem 17.52 

21 17 + Variable-Speed Scroll·Compressor Sy&lem 19.90 

ASSWDlltlOQi: 

Lite Cycle Costs and Payback Periods of 340n, Split System Central Air Conditioner 

Draft Version 

Ina. DiffctellliaJ DiffctellliaJ Installed Annual Annual CumuJ. Lifecycle COSIS 

Manufr Manufr Installation MaintcllaDl:tConsumez Elec. Energy Payback 

Cost Cost COlt Colt Colt 1150 cost Period (1992$) 

(1992S) (1992$) (1992$) (1992S) (1992S) lcWh/yr (1992$) (years) 4% 6% 10% 

$474.00 - SO.OO SO.OO $1166.04 3428 $291 NA $4,397 $3,988 $3,3

$474.20 $0.20 SO.OO SO.OO $1166.53 3389 $287 0.15 $4,360 $3,957 $3,3

$481.50 $7.30 $0.00 SO.OO $1184.49 3117 $264 0.70 $4,122 $3,750 $3,1

$488.71 $7.21 SO.OO -$7.61 $1194.62 3037 $257 0.86 $4,056 $3,694 $3,1

$493.66 $4.95 $0.00 -$15.22 $1199.1 8 3004 $255 0.92 $4,030 $3,672 $3,1

$499.62 $5.96 $0.00 -$15.22 $1213.85 29m $246 1.08 $3,953 $3,607 $3,0$506.12 $6.50 $0.00 -$15.22 $1229.84 2799 $237 1.20 $3,868 $3,534 $3,0$542.53 $36.41 SO.OO -$15.22 $1319.40 2625 $222 2.25 $3,793 $3,480 $3,0

$543.28 $0.75 SO.OO -$15.22 $1321.25 2618 $222 2.26 $3,789 $3,477 $3,0

$565.50 $22.22 $16.98 -$15.22 $1392.89 2447 $207 2.73 $3,699 $3,407 $2,9

$586.30 $20.80 $51.54 -$15.22 $1478.62 2352 $199 3.43 $3,695 $3,415 $2,9

$588.72 $2.42 $51.54 -$15.22 $1484.57 2346 $199 3.47 $3,695 $3,415 $2,9

$596.83 $8.11 $57.71 -$15.22 $1510.69 2317 $196 3.66 $3,694 $3,418 $3,0

$738.04 $141.21 $57.71 $0.40 $1873.69 2218 $188 6.90 $3,964 $3,699 $3,3

$814.21 $76.17 $57.71 $9.38 $2070.05 2189 $186 8.61 $4,133 $3,872 $3,4

$880.76 $66.55 $57.71 $16.99 $2241.37 2167 $184 10.06 $4,283 $4,025 $3,6

$923.64 $42.88 $126.82 $16.99 $2415.96 2119 $180 11.27 $4,413 $4,161 $3,7

$1,026.46 $102.82 $126.82 $16.99 $2668.90 2085 $177 13.20 $4,634 $4,385 $4,0

$1,195.65 $169.19 $120.65 $31.35 $3093.30 1964 $166 15.53 $4,944 $4,710 $4,3

$1,610.61 $584.15 $120.65 $78.22 $4160.97 1963 $166 24.12 $6,011 $5,777 $5,4

$1,518.47 $492.01 $126.82 $74.19 $3936.45 1957 $166 22.22 $5,781 $5,547 $5,1

$1,668.63 $642.17 $126.82 $80.75 $4312.40 1723 $146 21.77 $5,936 $5,731 $5,4

1 EIecIrIcity cost = 0.085 $i\:Wh (avera8e cost in 1999 obtained from an interpolation of the 1995 and 2000 prica; oC electricity forecast in DOE'I Annual Energy Outlook 1993, inflated 

to 1992 do1l1l'l). The interpolated value Cor 199911 0.082 $i\:Wh (1991$) or 0.085 after adjusting for inflation from 1991 to 1992. The electricity price enduse factor for CAC is 1.0 (no adju

2 Lifetime . 15 yean. Marlrup Cactor = 2.46. 

3 Two-Speed and Vanable-Speed Reciprocating Compressor SyslerQi include an indoor coil facc are& that has been reduced to 6.6 sq.ft. 

<4 lnIta.Uation and Maintanance Costa Cor ucb dc5lgn option arc total differential costs from the basellne unlL 

5 Basdine unII includci: 

Evaporator: 4.13Iq.ft., 13 fins/i.nch, Wavy FinI, 3 tube rows, Groove Tubes 

Coodtmcr: 12.88 'q.ft., 20 flDS/incll, Slit FinI, 1 tube row, Smooth Tubes 

Comprcuor: Reciprocating, 10.20 EER (nominal) 

Evaporator FaD Motor: PSC, 58.5% efficient 

Conderuic:r Fan Motor: PSC, 58.5% efficient 

Enh'ncaneut Device5: None 

«I Non-Blced Tbennost&lic Exp8DIioo Valve replaces the need Cor a Time Delay Relay 

7 Maximum Sensible Heat Rallo = 75.7% 

8 Evaporator ECM Fan Motor if modulated. COil of fan motor includes electronic modulating controls. 

g Condenser ECM Fan Motor is run at • lingle speed. 
7/26/93

Life Cycle Cost for 3-ton Split System

Central Air Conditioner: Draft

- - {z - - 6% discount rate

-D- 4% discount rate

. . . .•. . .. 10% discount rate

/

/

/

/

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/

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,

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$5,000

$3,500

$5,500

$6,000

o

$4,000

$4,500

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9.0 11.0 13.0 15.0

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17.0 19.0 

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$5,000 

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9.0 11.0 

7/26/93 

Life Cycle Cost for 3-ton Split System 

Central Air Conditioner: Draft 

-D- 4% discount rate 

- - -6 - - 6% discount rate 

- - - - +- - - - 10% discount rate 

+ --+ 

--

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13.0 15.0 

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17.0 

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7/26/93

Life Cycle Cost for 3-ton Split System

Central Air Conditioner: Draft

o

$5,700

$5,300

zt $4,900

C'I

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-

8 $4,500

.J

$4,100

$3,700$3,300

1-----0- 6% discount rate I

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17.0 19.0 

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$5,300 

; $4,900 

N 

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T-

-

8 $4,500 

.J 

$4,100 

$3,700 $3,300 

9.0 

7/26/93 

Life Cycle Cost for 3·ton Split System 

Central Air Conditioner: Draft 

1-----0- 6% discount rate I 

11.0 13.0 15.0 

SEER 

17.0 

19.0 
Life Cycle Costs and Payback Periods of S-lon, Split System Central Air Conditioner

Draft Version

Incr. Differential Differential Installed Armual Armual Cumul. Lifecycle C

, SEER Manufr Manufr Installation Maintenance Consumer Elec. Energy Payback 

!.eve DeJign Option . Cost Cost Cost Cost Cost use cost Period (1991$

BtuhIW (1992.$) (1992.$) (1992.$) (1992.$) (1992.$) lcWh!Yr (1992.$) (years) 4% 6% 

0 Baseline 9.71 $1,029.79 . $0.00 $0.00 $2325.27 5960 $505 NA $7,942 $7,231 

1 o-+- Bvaporawr SlitFinJ 9.79 $1,030.01 $0.22 $0.00 $0.00 $2325.76 5911 $501 0.12 $7,897 $7,192 

2 1-+- ScrollCclqnIsor: 11.30 EBR 11.18 $1,054.64 $24.63 $0.00 $0.00 $2381.38 5178 $439 0.85 $7,261 $6,644 

3 2-+-TIme Delay Relay 11.58 $1,061.14 $6.50 $0.00 $0.00 $2396.05 4996 $423 0.87 $7,104 $6,509 

4 3 -+- Moro Efficient BVaponalOr PSC Fan Motor (68.5%) 11.93 $1,070.91 $9.77 $0.00 -$7.61 $2410.50 4852 $411 0.91 $6,983 $6,404 

5 4-+- Non-BleedTbennoltaticExpansion Valve 12.23 $1,078.49 $7.58 $0.00 -$7.61 $2427.62 4733 $401 0.98 $6,888 $6,324 

6 5 -+- More EfficientCoI1dcnscr PSC Fan Motor (68.5%) 12.33 $1,084.79 $6.30 $0.00 -S15.22 $2434.24 4693 $398 1.02 $6,857 $6,298 

7 6 -+- IncreucBvlp<X'ator F'm Density to 14 fpi 12.36 $1,086.25 $1.46 $0.00 -$15.22 $2437.53 4681 $397 1.04 $6,848 $6,291 

8 7 -+- Increuc Bvlp<X'ator Face Area to 7.50 sq.ft. J2.76 $1,103.47 $17.22 $10.29 -$15.22 $2486.71 4534 $384 1.34 $6,760 $6,220 

9 8 -+- Coodc:mcr Grooved Tubel 12.95 $1,120.33 $16.86 $10.29 -$15.22 $2524.78 4469 $379 1.58 $6,737 $6,204 

10 9 -+- Bvapora1Or ECM Fan Mocor 13.71 $1,300.51 $180.18 $10.29 $0.40 $2947.24 4220 $358 4.22 $6,924 $6,421 

11 10 +Increuc CoodcnIcrFace Area to 36.50 sq.ft. 14.10 $1,394.48 $93.97 $100.88 $0.40 $3250.02 4105 $348 5.88 $7,119 $6,630 

12 11 -+- B1CC1J01lic BxpanJion Valve 14.29 $1,470.65 $76.17 $100.88 $9.38 $3430.99 4050 $343 6.83 $7,247 $6,765 

13 12+Coodenla' ECM Fan Motor 14.39 $1,543.35 $72.70 $100.88 $16.99 $3602.75 4021 $341 7.78 $7,393 $6,913 

14 13 +Two-Spccd Rccip-Compressor System 15.76 $1,722.32 $178.97 $100.88 $33.71 $4023.59 3671 $311 8.75 $7,483 $7,045 15 13 +Variable-Spccd Recip-Compressor System 16.47 $2,133.60 $590.25 $100.88 $85.13 $5003.68 3513 $298 12.92 $8,315 $7.896 

16 13 -+- Two-Spccd Scroll-Compressor System 16.02 $2,033.35 $490.00 $100.88 $80.75 $4772.93 3612 $306 12.30 $8,176 $7,746 

17 13 +Variabic-8pccd Scroll-Compressor System 18.22 $2,183.35 $640.00 $100.88 $87.30 $5118.18 3176 $269 11.84 $8,111 $7,733 

Assumptions;

1 Elcc1rlcity colt. 0.085 $/kWb (average cost in 1999 obtained from an interpolation ofthe 1995 and 2000 prices of electricity forecast in DOE's Armual Energy Outlook 1993, inflat

to 1992 do1laN). The inIetpola1Cd 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 (n

2 Ufetimc .. 15 yean. Markup factor .. 2.26.

3 Innallation and Maintanancc Costs for each design option are total differential costs from the Baseline DniL

<4 Basc1ine unit includes:

Bvaporator: 6.00 .qA, 13 finJ/inch, Wavy FinJ, 4tube rows, Groove Tubes

Coodemcr: 23.00 sq.ft., 20 fins/inch, Slit Fins, 2 tube rows, Smooth Tubes

Compressor: Rcciproc:ating, 10.49 EBR (nominal); Accumulator

BvIp<X'ator Fan Motor. PSC, 58.5% efficient

CoodcoIcr Pan Motor. P8C, 58.5% effICient

FnhanccmcntDcvices: Nooc

5 Non-BleedTbennoIta1Ic BxpanJion Valve replaces the need for aTime Delay Relay.

6 Maximum Sensible Heat Ratio. 75.7%

7 BvaporalOr ECM Fan Mocor Is modulated. Colt of fan motor includes electronic modulating controls.

8 CoodcoIcr ECM Fan Motor is run at a single speed.

 CE-RM-93-801 COMMENT 0AA , SEER !.eve DeJign Option . BtuhIW 0 Baseline 9.71 1 0+ Bvaponwr Slit FinI 9.79 2 1 + Scroll Ccqnasor: 11.30 EBR 11.18 3 2 + TIme Delay Relay 11.S8 4 3 + Moro Efficient BvaponilOr PSC Fan Motor (68.S%) 11.93 

5 4 + Non-Blced Tbennoltatic Expansion Valve 12.23 

6 5 + More Efficient CoIldcnscr PSC Fan Motor (68.5%) 12.33 

7 6 + Increuc Bvlp<X'ator F'm Density to 14 fpi 12.36 

8 7 + Increuc Bvlp<X'ator Face Are. to 7.50 sq,ft. J2.76 

9 8 + Coodc:mcr Grooved Tubcl 12.9S 

10 9 + Bvapon1Or ECM Fan Mocor 13.71 

11 10 + Increuc CoodcnIer Face Area to 36.50 sq.ft. 14.10 

12 11 + B1cctJooic BxpanJiOQ Valve 14.29 

13 12 + Coodenla' ECM Fan Motor 14.39 

14 13 + Two-Spccd Rccip-Compressor System 15.76 15 13 + Variablc-Spccd Recip-Compressor System 16.47 

16 13 + Two-Spccd ScrolJ-Compressor System 16.02 

17 13 + Variabic-Spccd Scroll-Compressor System 18.22 

Assumptions; 

Life Cycle Costs and Payback Periods of S-lon, Split System Central Air Conditioner 

Draft Version 

Incr. Differential Differential Installed Annual Annual Cumul. Lifecycle C

Manufr Manufr Installation Maintenance Consumer Eiec. Energy Payback 

Cost Cost Cost Cost Cost use cost Period (1991$

(1992.$) (1992.$) (1992.$) (1992.$) (1992.$) kWh/yr (1992.$) (years) 4% 6% 

$1,029.79 - $0.00 $0.00 $2325.27 5960 $505 NA $7,942 $7,231 

SI,030.01 $0.22 $0.00 $0.00 $2325.76 5911 $501 0.12 $7,897 $7,192 SI,054.64 $24.63 $0.00 SO.OO S2381.38 S178 $439 0.85 $7,261 $6,644 

$1,061.14 $6.50 $0.00 $0.00 S2396.0S 4996 $423 0.87 $7,104 $6,509 

$1,070.91 $9.77 SO.OO -$7.61 $2410.50 48S2 $411 0.91 $6,983 $6,404 

SI,078.49 $7.58 $0.00 -$7.61 $2427.62 4733 $401 0.98 $6,888 $6,324 

$1,084.79 $6.30 $0.00 -$15.22 S2434.24 4693 $398 1.02 $6,857 $6,298 

$1,086.25 SI.46 $0.00 -$IS.22 S2437.S3 4681 $397 1.04 $6,848 $6,291 

$1,103.47 SI7.22 $10.29 -$IS.22 $2486.71 4534 $384 1.34 $6,760 $6,220 

SI,120.33 $16.86 $10.29 -$IS.22 $2524.78 4469 $379 1.58 $6,737 $6,204 

SI,300.51 $180.18 S10.29 $0.40 $2947.24 4220 $358 4.22 $6,924 $6,421 

$1,394.48 $93.97 $100.88 $0.40 $32S0.02 4105 $348 5.88 $7,119 $6,630 $1,470.65 $76.17 $100.88 $9.38 $3430.99 4050 $343 6.83 $7,247 $6,765 

$1,543.35 $72. 70 $100.88 $16.99 $3602.7S 4021 $341 7.78 $7,393 $6,913 

$1,722.32 $178.97 $100.88 $33.71 $4023.59 3671 $311 8.75 $7,483 $7,045 $2,133.60 $590.25 $100.88 $85.13 $5003.68 3513 $298 12.92 $8,315 $7,896 

$2,033.35 $490.00 $100.88 $80.75 $4772.93 3612 $306 12.30 $8,176 $7,746 

$2,183.35 $640.00 $100.88 $87.30 $5118.18 3176 $269 11.84 $8.111 $7,733 

1 Eicclricity colt. 0.085 $/kWb (average cost in 1999 obtained from an interpolation of the 1995 and 2000 prices of electricity forecast in DOE's Annual Energy Outlook 1993, inflat

to 1992 dolJan). The inIetpolalCd 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 (n

2 Ufctlmc • 15 yean. Markup factor .. 2.26. 

3 hu1allaIiOQ and Maintanancc Costs for each design option are total differential costs from the Baseline UniL 

<4 Buelinc unit includes: 

BvaporatOr. 6.00 iliA, 13 finJ/inch, Wavy FinI, 4 tube rOWl, Groove Tubes 

Coodemer: 23.00 Iq.ft., 20 finJ/inch, Slit Fins, 2 tube rows, Smooth Tub« ComprCSlOl': Rcciproc:a1lng, 10.49 EBR (nominal); Accumulator 

BvIp<X'ator Fan Motor. PSC, 58.5% efficient 

Coodcmcr Pan Motor. psc, 58.5% dflCient 

FnhaocemcntDcvices: Nooc 

5 Non-Blced TbennoIta1ic BxpanJion Valve replaces the need for a Time Delay Relay. 

7 BvaporllOr ECM Fan Mocor II modulalcd. Cost of fan motor includes electronic modulating controls. 

8 Coodcmcr ECM Fan Motor il run at a lingle speed. 
7/29/93

Life Cycle Cost for 5-ton Single Package System

Central Air Conditioner: Draft

$8,500

--0- 4% discount rate

*

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7/29/93 

Life Cycle Cost for 5·ton Single Package System 

Central Air Conditioner: Draft 

--0- 4% discount rate 

- - -6 - - 6% discount rate 

- - - -+- - - - 10% discount rate 

11.0 12.0 13.0 

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7/29/93

Life Cycle Cost for 5-ton Single Package System

Central Air Conditioner: Draft

15

1---0-- 6% discount rate I

P

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7/29/93 

Life Cycle Cost for 5·ton Single Package System 

Central Air Conditioner: Draft 

15 

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8 9 

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15.0 16.0 

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f

Ute Cycle Costs and Payback Periods of3olon, Split System CentraJ Heat Pump

Draft Version

Incr. Differential Diff=tial Imta1led Annual E1cc Usc Annual Cumul. Lifccyc1e 

SEER HSPF Manufr Manufr Installation MainIcnIl1CC c:onsumcr Cooling Heating Energy Payback 

Level Deaian Option COllt Coo Coat Coat COlt COllt Period (1991

BtuhIW Btuh/W (19915) (19915) (l992S) (I992S) (19915) kWh/YT kWh/yr (19915) (YeaD) 4% 6% 

0 Bueline 10.00 6.89 $6n.00 - $0.00 $0.00 $1794.05 3651 8,132 $999 NA $12,899 $11 ,49

1 0+ Indoor Coil S1i1 FiN 10.12 6.99 $6n.00 $0.00 $0.00 $0.00 $1794.05 3607 8,018 $985 0.00 $12,750 $11,36

2 1 + In=ucIndoorCoil Fin Dcmity to 14 fpi 10.15 7.02 $677.66 $0.66 $0.00 $0.00 $1795.80 3597 7,983 $981 0.10 $12,708 $11.32

3 2 + MOI'C Efficient Indoor PSC Fan Motor (68.5%) 1Q.43 7.12 $684.87 $7.21 $0.00 -$7.61 $1807.30 3499 7,870 $964 0.38 S12,521 Sl1,l6

4 3 +Tillie Delay Relay 10.74 7.27 $691.37 $6.50 $0.00 -$7.61 $1824.52 3401 7,710 S942 0.53 S12,295 S10,97

5 4 + MOC'C Efficient Outdoor PSC Fan Moter (68.5% 10.84 7.36 $697.67 $6.30 $0.00 -$15.22 $1833.61 3367 7,615 S931 0.58 $12,183 $10,87

6 5 + In=uc Indoor Coil Faco AIea to 4.97 aq.ft. 11.57 7.56 $711.25 S13.58 $9.74 -$15.22 $1879.33 3156 7,413 $896 0.83 S11.84O $10,58

7 6 + Demand DcfrOIl 11.57 7.79 $722.75 $1l.S0 $9.74 -$15.22 $1909.81 3156 7,197 $878 0.95 $11,667 $10,43

8 7 + In=ucIndoorCoil Face AIea to 6.39aq.ft. 11.94 8.02 $737.81 $15.06 $19.48 -$15.22 $1959.46 3057 6,987 $851 1.12 $11,425 $10,22

9 8 + Outdoor Coil Grooved Tubca 12.25 8.06 $744.80 $6.99 $19.48 -$15.22 $1977.98 2981 6,952 S842 1.17 $11 ,338 S10,15

10 9 + Reciprocalina CompIQlOT.10.92 EER 12.28 8.16 S75l.S5 $6.75 S19.48 -$15.22 $1995.87 2973 6,872 S834 1.23 Sl1,274 S10,10

11 10 + Reciprocating Canpn:uor: 11.26 EER 12.80 8.37 $766.45 $14.90 $19.48 -$15.22 $2035.35 2853 6,693 $809 1.27 $11,032 S9,89

12 11 + Scro11 Canpxaaor: 11.50 EER 13.35 8.39 $793.69 $27.24 $19.48 -$15.22 $2107.54 2735 6,683 $798 1.56 $10,982 $9,86

13 12 + Non-B1ocd 'I'bcmloaulic Expmaion ValVCl 13.68 8.60 S805.64 $11.95 $19.48 -$15.22 $2139.21 2668 6,517 $779 l.S7 S10,795 $9,70

14 13 + InCIQIC Indoor Coil Face Azea to 7.50 aq.ft. 13.90 8.64 $815.93 $10.29 $27.09 -$15.22 $2174.08 2IJ27 6,487 $773 1.68 $10,764 S9,67

15 14 + InCIQIC Outdoor Coil Face Area to 21.00 aq.ft. 14.33 8.76 S84I.25 $25.32 $67.35 -$15.22 $2281.44 2548 6,399 S758 2.03 SIO,713 $9,64

16 15 + Outdoor ECM Fan Motor 14.48 8.94 S913.94 $72.69 $67.35 -$7.61 $2481.68 2522 6,271 $745 2.71 $10,768 S9,72

17 16 + Inause Indoor Coil Tube Dell&ity to 4 roWI 14.57 8.97 $935.07 $21.13 $67.35 -$7.61 $2537.68 2506 6,247 $742 2.89 S10,787 $9,74

18 17 + InCIQIC Outdoor Coil Face Area to 27.oolq.ft. 14.82 9.05 $960.33 $2S.2IJ S107.61 -$7.61 $2644.87 2463 6,192 $734 3.21 $10,801 $9,76

19 18 + Indoor ECM Fill Motor 15.52 9.21 $1.101.44 S141.11 S107.61 $8.01 $3034.44 2352 6,087 $715 4.38 $10,987 $9,98

20 19 + Elceuaric Expllllion Valve 15.72 9.2IJ $1,149.78 $48.34 S107.61 $16.99 $3171.52 2322 6,054 $710 4.77 SI1,065 S10,0

21 20 + Two-Speed R.eclp-ComprealOl' System 16.87 9.32 $1,326.99 SI77.21 $107.61 $30.72 $3654.85 2165 6,015 $693 6.09 $11,363 $10,3

22 20 + Variablo-Speed Rccip-Canpn:uor System 16.98 9.73 $1,738.32 $588.54 $107.61 $76.14 $4790.30 2150 5,760 $670 9.13 $12,245 $11,3

23 20 +Two-Speed Scroll-eomprcasor System 17.41 9.82 $1,637.90 $488.12 $107.61 $71.75 $4519.80 2097 5,706 $661 8.08 $11,873 $10,9

24 20 + Variab1o-Speed Scroll-Compressor System 19.12 10.51 $1,787.86 $638.08 S107.61 S78.31 $4923.75 1909 5333 $614 8.13 $11,749 $10,8

Auumptiq!lj

1 Electricity COlt. 0.085 $Il<Wh (average COllt in 1999 obtained from an interpolation of the 1995 and 2000 prices of electricity fore.cut in DOE'. Annual Energy Outlook 1993, inllalul

to 1992 do11III). The interpolalul value for 1999 is 0.082 $"'Wh (1991$) or 0.085 after adjusting for inflation from 1991 to 1992. The electricity price enduse faclor for CAC is 1.0 (no adjustmcm).

2 Lifetime .15 yeua. Mukup faetor· 2.65.

3 Baaeline unit includes:

Indoor Coil: 3.55 aq.ft., 13 finalinch, Wavy Fins, 3 tube row., Groove Tubea

OuuIoor Coil: 15.00 aq.ft.. 20 finalinch. Slit Fins, 1 tube row, Smooth Tubea

Compreaaor: Reciprocating, 10.80 EER (nominal); Accumulator

Indoor Fan Motor: PSC, 58.5% efficient

Outdoor Fill Motcr: PSC, 58.5% efficient

Enhancement Devicea: None

4 AU Two-Speed and Variable-Speed Compreaaor Syateml include an Accumulator.

5 Muim\IID SaIIibIe Heal Ratio· 75.7%

6 Installatioo IlId main\cnIDCC COIlIIIC total differential COllI fran the bueline unit

7 Nm-B1ocd ThcrmOlltalic Expansim Valves "place the need for aTime Delay Relay and an Accumulator.

8 Evapotlltor ECM Fan Motoris modulated. Coat of fan motor includes electronic modulating controls.

9 Coodcnaa ECM Fan Motor is run all lingle speed.

f CE-RM-93-801 COMMENT 0AA Lire Cycle Costs and Payback Periods of 3olon, Split System Central Heat Pump Draft Version Incr. Differential Differcntial Wta1led Annual Elcc Usc Annual Cumul. Lifccycle 

SEER HSPF Manuf'r Manuf'r Installatioo Main\cnancc COIIIIIDlC1' Cooling Heating Energy Payback Level Deaign Option CO,II Cost Cost Cost COlt COjIt Period (1991

BwhIW BtuhIW (1991$) (1991$) (1992S) (1992S) (1991$) ltWh/yr ltWh/yr (1991$) (years) 4% 6% 0 Bue!inc 10.00 6.89 $677.00 - $0.00 $0.00 $1794.05 3651 8,132 $999 NA $12,899 $11,49

I 0+ Indoor Coil Sli1 FiN 10.12 6.99 $677.00 $0.00 $0.00 $0.00 $1794.05 3607 8,018 $985 0.00 S12,750 $11,36

2 1+ In=ucIndoorCoil Fin Dcmity to 14 £pi 10.15 7.02 $677.66 $0.66 $0.00 $0.00 $1795.80 3597 7,983 $981 0.10 $12,708 $11.32

3 2+ MorcEfficienIIndoor PSCFan Mocor (68.5%) l0A3 7.12 $684.87 $7.21 $0.00 -$7.61 $1807.30 3499 7,870 $964 0.38 S12,521 $11 ,1

4 3 + TIlDe Delay Relay 10.74 7.27 $691.37 $6.50 $0.00 -$7.61 $1824.52 3401 7,710 S942 0.53 S12,295 SIO,97

5 4 + More Efficient Outdoor PSC Fan Motor (68.5% 10.84 7.36 $697.67 $6.30 $0.00 -$15.22 $1833.61 3367 7,615 $931 0.58 $12,183 $10,87

6 5 + In=uc Indoor Coil Face Area to 4.97 "l.ft. 11.57 7.56 $711.25 $13.58 $9.74 -$15.22 $1879.33 3156 7,413 $896 0.83 S11,840 $10,5

7 6 + Demand Dcfroct 11.57 7.79 $722.75 $11.50 $9.74 -$15.22 $1909.81 3156 7,197 $878 0.95 $11 ,667 $10,43

8 7 + In=uclndoorCoil Faco Area to 6.39aq.ft. 11.94 8.02 $737.81 $15.06 $19.48 -$15.22 $1959.46 3057 6,987 $851 1.12 $1l,425 $10,22

9 8 + Outdoor Coil Grooved Tubes 12.25 8.06 $744.80 $6.99 $19.48 -$15.22 $1977.98 2981 6,952 $842 1.17 $11 ,338 $10,15

10 9 + Reciprocating Camp_lOr. 10.92 EER 12.28 8.16 $751.55 $6.75 $19.48 -$15.22 $1995.87 2973 6,872 $834 1.23 SlI,274 S10,1

11 10 + Reciprocatin, Canprc:uor: 11.26 EER 12.80 8.37 $766.45 $14.90 $19.48 -$15.22 $2035.35 2853 6,693 $809 1.27 $11.032 S9,89

12 11 + Sc:rol1 Canpraaor: II.SO EER 13.35 8.39 $793.69 $27.24 $19.48 -$15.22 $2101.54 2735 6,683 $798 1.56 $10,982 $9,86

13 12 + Non-Blocd 'ThcrmoIutic Expanaioo ValVCl 13.68 8.60 $805.64 $11.95 $19.48 -$15.22 $2139.21 2668 6,517 $779 1.57 $10,795 $9,70

14 13 + InClQlO Indoor Coil Face AIea to 7.50 "l'1\. 13.90 8.64 $815.93 $10.29 $27.09 -$15.22 $2174.08 2627 6,487 $773 1.68 $10,764 $9,67

15 14 + InClQlO Outdoor Coil Face Area to 21.00 aq.ft. 14.33 8.76 $841.25 $25.32 $67.35 -$15.22 $2281.44 2548 6,399 $758 2.03 $10,713 $9,64

16 15 + Outdoor ECM Fan Motor 14.48 8.94 $913.94 $72.69 $67.35 -$7.61 $2481.68 2522 6,271 $745 2.71 S10,768 $9,72

17 16 + 1n<3UC Indoor Coil Tube Density to 4 rowa 14.57 8.97 $935.07 $21.13 $67.35 -$7.61 $2537.68 2506 6,247 $742 2.89 S10.787 $9,74

18 17 + InClQlO Outdoor Coil Fla: Area to 27.00aqJt. 14.82 9.05 $960.33 S25.26 $107.61 -$7.61 $2644.87 2463 6,192 $734 3.21 $10,801 $9,76

19 18 + Indoor ECM Fan Mocor 15.52 9.21 $1,101.44 $141.11 $107.61 $8.01 $3034.44 2352 6,087 $715 4.38 S10,987 $9,98

20 19 + ElCClralic Expanaion Valve 15.72 9.26 $1,149.78 $48.34 $107.61 $16.99 $3171.52 2322 6,054 $710 4.77 $11,065 $10,0

21 20 + Two-Speed R.cclp-Comp_aor Syatcm 16.87 9.32 $1,326.99 $177.21 $107.61 $30.72 $3654.85 2165 6,015 $693 6.09 SJJ,363 S10,3

22 20 + Variablo-Speed Rccip-Canprc:uor System 16.98 9.73 $1,738.32 S588.54 $107.61 $76.14 $4790.30 2150 5,760 $670 9.13 $12,245 $11,3

23 20 + Two-Speed Scroll-Comprcasor System 17.41 9.82 $1,637.90 $488.12 $107.61 $71.75 $4519.80 2097 5,706 $661 8.OS $11,873 $10,9

24 20 + Variab1o-Speed Scroll-Compressor System 19.12 10.51 $1 ,787.86 $638.08 $107.61 $78.31 $4923.75 1909 5333 $614 8.13 $11,749 $10,8

AUUIDlltiIJllj 

1 Electricity COlI - 0.085 $"'Wh (avenge coot in 1999 obtained from an in1.crpolation of the 1995 and 2000 price. of electricity forecalt in DOE', Annual Energy Outlook 1993, inflated 

to 1992 dolIm). The in1.crpo1&ted value for 1999 ia 0.082 $"'Wh (1991$) or 0.085 after adjusting for inflatioo from 1991 to 1992. The electricity price enduse factor for CAC ia 1.0 (no adjusuncm). 

2 Lifetime -15 yean. Mukup factor - 2.65. 

3 Bueline W1it includea: 

Indoor Coil: 3.55 "l.ft., 13 finl/inch, Wavy FiN, 3 tube rowa, Groove Tubea 

OuuIoor Coil: 15.00 "l.1\., 20 finl/inclt, Slit FiN, 1 tube row, Smooth Tubea 

CamprQIor: Reciprocating, 10.80 EER (nominal); Accumulator 

Indoor Fan Motor: PSC, 58.5% efficient 

Outdoor Fan Motor: PSC, 58.5% efficient 

Enhancement DeviccI: None 

.. All Two-Speed and Variablc-Speed ComprQIOl' SyllCml include an Accumulator. 

5 MWmum ScmibleHeatRatio - 7S.7% 

6 Insta11atiorland main\cnIDCC COllI arc tota1 differential COllI fum the bueline unit. 

7 Non-Blocd Thcrmoat.otic Expansioo ValVCl replace the need for a Time Delay Relay and an Accumulator. 

8 Evapmator ECM Fan Motor ia modulated. Cost of fan motor includea electronic modulating cootroIJ. 

9 Coodcmer ECM Fan Motor iJ run .t • lingle 'Peed. 
J'

7/27/93

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