Appliances / Heat pump water heaters / Under 50 gallons

Cheapest under 50 gallons heat pump water heaters to run

231 ENERGY STAR models in this size. The cheapest to run costs $117 a year; the most expensive costs $282. Over 13 years that gap is $2,145, money you pay on top of the price tag.

Under 50 gallons 50 to 65 gallons 66 gallons and up

120-volt integrated

#	Model	Size	Per year	13 years
1	GE Profile PF40S10FPY01	40 gal	$132	$1,712
2	Friedrich PROH40 T0 FD120-M	36 gal	$142	$1,844
3	Friedrich PROH40 T0 FD120-MSO	36 gal	$142	$1,844
4	Rheem PROPH40 T0 RH120-M	36 gal	$142	$1,844
5	Rheem PROPH40 T0 RH120-MSO	36 gal	$142	$1,844
6	Rheem XE40T10HM00U0	36 gal	$142	$1,844
7	Rheem XE40T10HMS00U0	36 gal	$142	$1,844
8	Richmond 10E40-HP120M	36 gal	$142	$1,844
9	Richmond 10E40-HP120MS	36 gal	$142	$1,844
10	Ruud PROUH40 T0 RU120-M	36 gal	$142	$1,844
11	Ruud PROUH40 T0 RU120-MSO	36 gal	$142	$1,844
12	Friedrich PROH50 T0 FD120-M	46 gal	$195	$2,535
13	Friedrich PROH50 T0 FD120-MSO	46 gal	$195	$2,535
14	Rheem PROPH50 T0 RH120-M	46 gal	$195	$2,535
15	Rheem PROPH50 T0 RH120-MSO	46 gal	$195	$2,535
16	Rheem XE50T10HM00U0	46 gal	$195	$2,535
17	Rheem XE50T10HMS00U0	46 gal	$195	$2,535
18	Richmond 10E50-HP120M	46 gal	$195	$2,535
19	Richmond 10E50-HP120MS	46 gal	$195	$2,535
20	Ruud PROUH50 T0 RU120-M	46 gal	$195	$2,535
21	Ruud PROUH50 T0 RU120-MSO	46 gal	$195	$2,535
22	Friedrich PROH50 T0 FD120	46 gal	$197	$2,559
23	Rheem PROPH50 T0 RH120	46 gal	$197	$2,559
24	Rheem XE50T10H15U0	46 gal	$197	$2,559
25	Rheem XE50T10HD00U0	46 gal	$197	$2,559

240-volt integrated

#	Model	Size	Per year	13 years
1	Friedrich PROH40 T2 FD400-15	36 gal	$117	$1,521
2	Rheem PROPH40 T2 RH375-15	36 gal	$117	$1,521
3	Rheem PROPH40 T2 RH400-15	36 gal	$117	$1,521
4	Rheem XE40T10H22U0	36 gal	$117	$1,521
5	Richmond 10E40-HP5U15	36 gal	$117	$1,521
6	Ruud PROUH40 T2 RU375-15	36 gal	$117	$1,521
7	Ruud PROUH40 T2 RU400-15	36 gal	$117	$1,521
8	GE Profile PH40S10BPY01	40 gal	$141	$1,828
9	A. O. Smith HPS10-50H45DV 2 series	46 gal	$151	$1,965
10	A. O. Smith HPSN10-50H45DV 2 series	46 gal	$151	$1,965
11	A. O. Smith HPTS-50 2 series	46 gal	$151	$1,965
12	American HPS10250H045DV 2 series	46 gal	$151	$1,965
13	Lochinvar HPSA050KD 2 series	46 gal	$151	$1,965
14	RELIANCE WATER HEATERS 10-50-DHPTS 2 series	46 gal	$151	$1,965
15	State HPSX-50-DHPT 2 series	46 gal	$151	$1,965
16	Bradford White RE2HP50**-1NCTT family	45 gal	$152	$1,975
17	JETGLAS RE2HP50*-1NCTT family	45 gal	$152	$1,975
18	Arctic Arctic-HP-Hot Water-KA06-50	44.5 gal	$152	$1,979
19	PHNIX KA06-50	44.5 gal	$152	$1,979
20	Navien NWP500S050AUMB	44 gal	$153	$1,986
21	Noritz NHP-50-240	45 gal	$154	$1,996
22	Rinnai REHP50	46 gal	$154	$1,996
23	Rinnai REHP50BM	46 gal	$154	$1,996
24	Rinnai REHP50C	46 gal	$154	$1,996
25	Friedrich PROH50 T2 FD400-15	45 gal	$154	$2,001

split-system

#	Model	Size	Per year	13 years
1	Eco-Logical OMNI-50HP1-1A	46 gal	$124	$1,610
2	Eco-Logical OMNI-50HP2-1A	46 gal	$140	$1,818
3	SANCO2 GS5-45HPC-D HP + ECO-43SSAQB	43 gal	$158	$2,053
4	SANCO2 GS5-45HPC HP + ECO-43SSAQB	43 gal	$158	$2,053
5	A. O. Smith HPACO-45 1+AXST-50LBTTP 1 family	48 gal	$166	$2,164
6	A. O. Smith HPACO-45C 1*+AXST-50LBCTTP 1 family	48 gal	$166	$2,164
7	American MHPCO-45 1+MXST-50LBTTP 1 family	48 gal	$166	$2,164
8	Giant GTHPCO-45 1*+GTXST-50LBTTP 1 family	48 gal	$166	$2,164
9	GSW WATER HEATERS GHPCO-45 1+GXST-50LBTTP 1 family	48 gal	$166	$2,164
10	John Wood JWHPCO-45 1*+JWXST-50LBTTP 1 family	48 gal	$166	$2,164
11	Lochinvar LHPCO-45 1+LXST-50LBTTP 1 family	48 gal	$166	$2,164
12	RELIANCE WATER HEATERS RHPCO-45 1+RXST-50LBG 1 family	48 gal	$166	$2,164
13	State SHPCO-45 1+SXST-50LBG 1 family	48 gal	$166	$2,164
14	A. O. Smith HPACO-45 1+AXST-50S 1 family	46 gal	$168	$2,183
15	A. O. Smith HPACO-45 1+AXST-50STTP 1 family	46 gal	$168	$2,183
16	A. O. Smith HPACO-45 1+AXST-50T 1 family	45 gal	$168	$2,183
17	A. O. Smith HPACO-45 1+AXST-50TTTP 1 family	45 gal	$168	$2,183
18	A. O. Smith HPACO-45C 1+AXST-50SC 1 family	46 gal	$168	$2,183
19	A. O. Smith HPACO-45C 1+AXST-50SCTTP 1 family	46 gal	$168	$2,183
20	A. O. Smith HPACO-45C 1+AXST-50TC 1 family	45 gal	$168	$2,183
21	A. O. Smith HPACO-45C 1+AXST-50TCTTP 1 family	45 gal	$168	$2,183
22	American MHPCO-45 1+MXST-50S 1 family	46 gal	$168	$2,183
23	American MHPCO-45 1+MXST-50STTP 1 family	46 gal	$168	$2,183
24	American MHPCO-45 1+MXST-50T 1 family	45 gal	$168	$2,183
25	American MHPCO-45 1+MXST-50TTTP 1 family	45 gal	$168	$2,183

Source: ENERGY STAR certified heat pump water heaters (U.S. EPA) and the EIA average residential electricity price. Energy use is the official test figure; real use varies.