kWh Index

A. O. Smith water heaters

144 water heaters listed under A. O. Smith.

ModelUEFCosts to run
HPTS-80 2**3.88$235 a year
HPTA-80 2**3.88$235 a year
HPSN10-80H45DV 2**3.88$235 a year
HPS10-80H45DV 2**3.88$235 a year
HPA10-80H45DV 2**3.88$235 a year
CAHP-80 2**3.88$235 a year
HPTA-66 2**3.84$237 a year
HPA10-66H45DV 2**3.84$237 a year
CAHP-66 2**3.84$237 a year
HPTS-50 2**3.80$152 a year
HPSN10-50H45DV 2**3.80$152 a year
HPS10-50H45DV 2**3.80$152 a year
HPACO-45C 1**+AXST-80CTTP 1**3.80$240 a year
HPACO-45C 1**+AXST-80C 1**3.80$240 a year
HPACO-45 1**+AXST-80TTP 1**3.80$240 a year
HPACO-45 1**+AXST-80 1**3.80$240 a year
HPTS-66 2**3.70$226 a year
HPSN10-66H45DV 2**3.70$226 a year
HPS10-66H45DV 2**3.70$226 a year
HPACO-45C 1**+AXST-66CTTP 1**3.70$246 a year
HPACO-45C 1**+AXST-66C 1**3.70$246 a year
HPACO-45 1**+AXST-66TTP 1**3.70$246 a year
HPACO-45 1**+AXST-66 1**3.70$246 a year
HPTA-50 2**3.68$162 a year
HPA10-50H45DV 2**3.68$162 a year
CAHP-50 2**3.68$162 a year
HPTA-40 2**3.60$165 a year
HPA10-40H45DV 2**3.60$165 a year
CAHP-40 2**3.60$165 a year
HPACO-45C 1**+AXST-50LBCTTP 1*3.55$168 a year
HPACO-45 1**+AXST-50LBTTP 1**3.55$168 a year
HPACO-45C 1**+AXST-50TCTTP 1**3.52$169 a year
HPACO-45C 1**+AXST-50TC 1**3.52$169 a year
HPACO-45C 1**+AXST-50SCTTP 1**3.52$169 a year
HPACO-45C 1**+AXST-50SC 1**3.52$169 a year
HPACO-45 1**+AXST-50TTTP 1**3.52$169 a year
HPACO-45 1**+AXST-50T 1**3.52$169 a year
HPACO-45 1**+AXST-50STTP 1**3.52$169 a year
HPACO-45 1**+AXST-50S 1**3.52$169 a year
HPTU-80N 1**3.45$254 a year
HPTU-80DR 1**3.45$254 a year
HPTU-80CTA 1**3.45$254 a year
HPTU-66N 1**3.45$253 a year
HPTU-66DR 1**3.45$253 a year
HPTU-66CTA 1**3.45$253 a year
HPTU-50N 1**3.45$165 a year
HPTU-50DR 1**3.45$165 a year
HPTU-50CTA 1**3.45$165 a year
HP1080H45DVCTA-1**3.45$254 a year
HP1080H45DV 1**3.45$254 a year
HP1050H45DVCTA-1**3.45$165 a year
HP1050H45DV 1**3.45$165 a year
FPTU-80 1**3.45$256 a year
FPTU-66 1**3.42$255 a year
FPTU-50 1**3.35$178 a year
HPV10-66H01DV 2**3.20$284 a year
HPTV-66 2**3.20$284 a year
HPV10-80H01DV 2**3.00$303 a year
HPV10-50H01DV 2**3.00$284 a year
HPTV-80 2**3.00$303 a year
HPTV-50 2**3.00$284 a year
GT15TM-199X3-P 1*10.95Not published
GT15TM-199X3-N 1**0.95Not published
GT15TM-199X3-N0.95Not published
GT15TM-199M-P 1*10.95Not published
GT15TM-199M-N 1**0.95Not published
GT15TM-199M-N0.95Not published
GT15TM-180X3-N 1**0.95Not published
GT15TM-180X3-N0.95Not published
GT15TM-180M-P 1*10.95Not published
GT15TM-180M-N 1**0.95Not published
GT15TM-180M-N0.95Not published
GT15TM-160X3-P 1*10.95Not published
GT15TM-160X3-N 1**0.95Not published
GT15TM-160X3-N0.95Not published
GT15TM-160M-P 1*10.95Not published
GT15TM-160M-N 1**0.95Not published
GT15TM-160M-N0.95Not published
GT15TM-140M-N 1**0.95Not published
GT15THR-199X3 1**0.95Not published
GT15THR-199M 1**0.95Not published
GT15THR-180X3 1**0.95Not published
GT15THR-180M 1**0.95Not published
GT15THR-160X3 1**0.95Not published
GT15THR-160M 1**0.95Not published
GT15-540-NO 1**0.95Not published
GT15-340-PI 1*10.95Not published
GT15-340-NI 1**0.95Not published
GT15-240-PO 1*10.95Not published
GT15-240-NO 1**0.95Not published
ATO-540P-P 1*10.95Not published
ATO-540P-N 1**0.95Not published
ATO-540HX3-P 1*10.95Not published
ATO-540HX3-N 1**0.95Not published
ATO-540H 1*10.95Not published
ATO-540H 1**0.95Not published
ATO-240HX3-P 1*10.95Not published
ATO-240HX3-N 1**0.95Not published
ATO-240H 1*10.95Not published
ATO-240H 1**0.95Not published
ATM-199X3-P 1*10.95Not published
ATM-199X3-N 1**0.95Not published
ATM-199M-P 1*10.95Not published
ATM-199M-N 1**0.95Not published
ATM-180X3-P 1*10.95Not published
ATM-180X3-N 1**0.95Not published
ATM-180M-P 1*10.95Not published
ATM-180M-N 1**0.95Not published
ATM-160X3-P 1*10.95Not published
ATM-160X3-N 1**0.95Not published
ATM-160M-P 1*10.95Not published
ATM-160M-N 1**0.95Not published
ATM-140X3-N 1**0.95Not published
ATM-140M-N 1**0.95Not published
ATI-340HX3-P 1*10.95Not published
ATI-340HX3-N 1**0.95Not published
ATI-340H 1*10.95Not published
ATI-340H 1**0.95Not published
ATHR-199X3 1**0.95Not published
ATHR-199M 1**0.95Not published
ATHR-180X3 1**0.95Not published
ATHR-180M 1**0.95Not published
ATHR-160X3 1**0.95Not published
ATHR-160M 1**0.95Not published
ACTH-199M-(N,P) 1**0.95Not published
ACT-199O-P 1*10.95Not published
ACT-199O-N 1**0.95Not published
HPCX-50L 1**0.90Not published
HPCT-40L 1**0.90Not published
GSP-100 2**0.90Not published
GPCX-50L 1**0.90Not published
GPCT-40L 1**0.90Not published
GPCC-50X 1**0.90Not published
GPCC-40L 1**0.90Not published
GC9-PS5065NV 1**0.90Not published
GC9-PS4050NV 1**0.90Not published
GC6-PS5065*V 1**0.90Not published
GC6-PS4050*V 1**0.90Not published
HDHE-50 4**0.88Not published
GPHE-50 1**0.88Not published
GDHE-50 3**0.88Not published
HDHE-75 4**0.86Not published
GDHE-75 3**0.86Not published
HCCC-50T 1**0.86Not published

Computed from electricity at 18.34¢/kWh, the EIA average for US in June 2026. A kilowatt-hour is 3412 BTU. This is a rate times a rating, not a prediction of your bill.

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Source: ENERGY STAR certified product data, published by the U.S. EPA and used with attribution. This is a register of certified models, not of every model on the market. ENERGY STAR is a registered mark of the U.S. EPA; this site is not affiliated with or endorsed by EPA or DOE.