Ruud water heaters

73 water heaters listed under Ruud.

Model	UEF	Costs to run
PROUH80 T2 RU400-SO	4.07	$222 a year
PROUH80 T2 RU400-30	4.07	$222 a year
PROUH80 T2 CD400-SO	4.07	$222 a year
PROUH80 T2 CD400-30	4.07	$222 a year
CPROPH80 T2 CD375-SO	4.07	$222 a year
CPROPH80 T2 CD375-30	4.07	$222 a year
PROUH65 T2 CD400-SO	4.05	$217 a year
PROUH65 T2 CD400-30	4.05	$217 a year
CPROPH65 T2 CD375-SO	4.05	$222 a year
CPROPH65 T2 CD375-30	4.05	$222 a year
PROUH50 T2 RU400-SO	3.88	$155 a year
PROUH50 T2 RU400-30	3.88	$155 a year
PROUH50 T2 RU375-SO	3.88	$155 a year
PROUH50 T2 RU375-30	3.88	$155 a year
PROUH50 T2 CD400-SO	3.88	$155 a year
PROUH50 T2 CD400-30	3.88	$155 a year
CPROPH50 T2 CD375-SO	3.88	$155 a year
CPROPH50 T2 CD375-30	3.88	$155 a year
PROUH40 T2 CD400-SO	3.83	$158 a year
PROUH40 T2 CD400-30	3.83	$158 a year
CPROPH40 T2 CD375-SO	3.83	$222 a year
CPROPH40 T2 CD375-30	3.83	$222 a year
PROUH50 T2 CD400-15	3.75	$155 a year
PROUH80 T2 CD400-15	3.70	$160 a year
PROUH65 T2 CD400-15	3.55	$163 a year
PROUH80 T2 RU350UM	3.50	$239 a year
PROUH80 T2 RU350BM	3.50	$239 a year
PROUH65 T2 RU350UM	3.50	$165 a year
PROUH65 T2 RU350BM	3.50	$165 a year
PROUH50 T2 RU350UM	3.50	$168 a year
PROUH50 T2 RU350BM	3.50	$168 a year
PROUH40 T2 RU350UM	3.50	$161 a year
PROUH40 T2 RU350BM	3.50	$161 a year
PRO H80 T2 RU310UM	3.50	$239 a year
PRO H80 T2 RU310BM	3.50	$239 a year
PRO H65 T2 RU310UM	3.50	$165 a year
PRO H65 T2 RU310BM	3.50	$165 a year
PRO H50 T2 RU310UM	3.50	$168 a year
PRO H50 T2 RU310BM	3.50	$168 a year
PRO H40 T2 RU310UM	3.50	$161 a year
PRO H40 T2 RU310BM	3.50	$161 a year
PROUH80 T0 RU120-MSO	3.46	$257 a year
PROUH80 T0 RU120-M	3.46	$257 a year
PROUH40 T2 CD400-15	3.45	$118 a year
PROUH65 T0 RU120-M	3.33	$178 a year
PROUH65 T0 RU120-MSO	3.12	$178 a year
PROUH50 T0 RU120-MSO	3.00	$197 a year
PROUH50 T0 RU120-M	3.00	$197 a year
PROUH50 T0 RU120	3.00	$198 a year
PROUH40 T0 RU120-MSO	2.80	$143 a year
PROUH40 T0 RU120-M	2.80	$143 a year
RUTGH-SR84I	0.96	Not published
RUTGH-SR11I	0.96	Not published
RUTGH-SR10I	0.96	Not published
RUTGH-S84I	0.96	Not published
RUTGH-S11I	0.96	Not published
RUTGH-S10I	0.96	Not published
RUTGH-CSR11I	0.96	Not published
RUTGH-CS11I	0.96	Not published
CRUTGH-SR11I	0.96	Not published
CRUTGH-S11I	0.96	Not published
PROU G40-50* RU HE EC3	0.90	Not published
PRO+G40-50U RU HE EC1	0.90	Not published
PRO+G40-50P RU HE EC1	0.90	Not published
PROU G50-76U CD HE	0.89	Not published
PROU G50-76* RU HE EC3	0.89	Not published
PROU G50-76P CD HE	0.89	Not published
PROU G50-100* RU HE EC3	0.89	Not published
PROUG75-100U RU HE EC3	0.88	Not published
PROUG75-100P RU HE EC3	0.88	Not published
PROU G50-50* RU HE EC3	0.88	Not published
PRO+G50-50U RU HE EC1	0.88	Not published
PRO+G50-50P RU HE EC1	0.88	Not 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.