At Oklahoma prices a typical heat pump heats a house for about $763 a year, against $737 for a 95% gas furnace; it wins clearly against propane, oil and electric resistance heat, and it also replaces the air conditioner.
Do I need a cold-climate heat pump in Oklahoma?
Generally not. None of the Oklahoma cities we track has winters cold enough to require a cold-climate model, although one still helps on the coldest nights.
Running cost calculator
Pre-filled with Oklahoma prices. Pick your city and what you heat with today.