Data through June 2026
Water Heaters (Electric) · 68 certified models
120-Volt Heat Pump Water Heaters
68 of 510 certified water heaters (electric) are 120-volt heat pump water heaters — running $133 to $303 a year at the U.S. average rate (median $198, versus $222 across the whole category).
The 50 most efficient (of 68)
Other type facets
Questions, answered with the data
- How much does it cost to run 120-volt heat pump water heaters?
- Among 68 certified models in this data, 120-volt heat pump water heaters cost $133 to $303 a year to run at the U.S. average electricity rate (18.3¢/kWh) — a median of $198.
- Do 120-volt heat pump water heaters cost more or less than the average electric water heater?
- The median model here runs $198 a year, 11% less than the $222 median across all certified water heaters (electric).
- What's the cheapest model among 120-volt heat pump water heaters?
- The GE Profile PF40S10FPY01 costs about $133 a year at the U.S. average rate (724 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.