Data through June 2026
Water Heaters (Electric) · 31 certified models
Ruud
This data covers 31 certified Ruud — annual running costs span $143 to $257 at national-average rates (median $168; the whole-category median is $222).
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Questions, answered with the data
- How much does it cost to run Ruud water heaters (electric)?
- Among 31 certified models in this data, Ruud water heaters (electric) cost $143 to $257 a year to run at the U.S. average electricity rate (18.3¢/kWh) — a median of $168.
- Do Ruud water heaters (electric) cost more or less than the average electric water heater?
- The median model here runs $168 a year, 24% less than the $222 median across all certified water heaters (electric).
- What's the cheapest model among Ruud water heaters (electric)?
- The Ruud PROUH40 T0 RU120-M costs about $143 a year at the U.S. average rate (780 kWh/yr) — the lowest certified figure in this group.
- What does the certified annual-kWh figure assume for water heaters (electric)?
- The certified annual kWh comes from the DOE Uniform Energy Factor test, which simulates a typical household's daily hot-water draw pattern. Only electric models (including heat-pump units) are listed — gas models burn gas, not kWh.