kWh Index

Fujitsu AOUH48KUAS1

At Montana energy prices this heat pump costs $14.84 per million BTU of heat. The register lists it in 3 configurations, and the ratings below are the range across all of them.

Computed from electricity at 15.14¢/kWh, the EIA average for MT in June 2026. A kilowatt-hour is 3412 BTU. This is a rate times a rating, not a prediction of your bill.

Against the alternatives, at Montana prices

Dollars per million BTU delivered into the house. Lower is cheaper to run; it says nothing about what the equipment costs to buy or install.

What the register says

Rating18.20 (16.40–18.20 across 3 configurations) SEER2
SEER2 (cooling efficiency)18.2
HSPF2 (heating efficiency)10.2
COP at 5 °F2.34
Nominal cooling capacity46,000 BTU/h
Capacity kept at 5 °F80% of its 47 °F rating
ENERGY STAR cold-climateYes
FuelElectricity
TypeHP - Mini or Multi Split
RefrigerantR-32 (GWP:675 | Lower GWP)
AHRI reference215812201
Published configurations3
Certified2026-04-17

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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. This page is a record of a published certification; it is not an endorsement, not a quote, and not advice. Corrections.