Data through June 2026
Water Heaters (Electric) · 96 certified models
Split-System Heat Pump Water Heaters
This configuration accounts for 96 of the 510 certified water heaters (electric) in this data. At national-average electricity rates they cost $125–$319 a year — median $169 against a category-wide median of $222.
The 50 most efficient (of 96)
Other type facets
Questions, answered with the data
- How much does it cost to run split-system heat pump water heaters?
- Among 96 certified models in this data, split-system heat pump water heaters cost $125 to $319 a year to run at the U.S. average electricity rate (18.3¢/kWh) — a median of $169.
- Do split-system heat pump water heaters cost more or less than the average electric water heater?
- The median model here runs $169 a year, 24% less than the $222 median across all certified water heaters (electric).
- What's the cheapest model among split-system heat pump water heaters?
- The Eco-Logical OMNI-50HP1-1A costs about $125 a year at the U.S. average rate (681 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.