kWh Index

GSW Water Heaters water heaters

33 water heaters listed under GSW Water Heaters.

ModelUEFCosts to run
GHPCO-45 1**+GXST-80TTP 1**3.80$240 a year
GHPCO-45 1**+GXST-80 1**3.80$240 a year
GHPCO-45 1**+GXST-66TTP 1**3.70$246 a year
GHPCO-45 1**+GXST-66 1**3.70$246 a year
GHPCO-45 1**+GXST-50LBTTP 1**3.55$168 a year
GTHPCO-45 1**+GTXST-50TTTP 1**3.52$169 a year
GTHPCO-45 1**+GTXST-50T 1**3.52$169 a year
GHPCO-45 1**+GXST-50TTTP 1**3.52$169 a year
GHPCO-45 1**+GXST-50T 1**3.52$169 a year
GHPCO-45 1**+GXST-50STTP 1*3.52$169 a year
GHPCO-45 1**+GXST-50S 1*3.52$169 a year
GTM-199X3-P 1*10.95Not published
GTM-199X3-N 1**0.95Not published
GTM-199X3-N0.95Not published
GTM-180X3-N 1**0.95Not published
GTM-180X3-N0.95Not published
GTM-160X3-N 1**0.95Not published
GTM-160X3-N0.95Not published
GTM-140X3-N 1**0.95Not published
GTHR-199X3 1**0.95Not published
GTHR-199M 1**0.95Not published
GTHR-180X3 1**0.95Not published
GTHR-180M 1**0.95Not published
GTHR-160X3 1**0.95Not published
GTHR-160M 1**0.95Not published
GSWT-340H-P 1*10.95Not published
GSWT-340H-N 1**0.95Not published
8G-50100*PDV-H06* 4**0.88Not published
6G5076NVC 1**0.88Not published
6G5076NVC02 1**0.88Not published
6G50100*PDVH 3**0.88Not published
8G-75100*PDV-H06* 4**0.86Not published
6G75100*PDVH0* 3**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.