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dual fuel

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Illustration of a home split between a heat pump and a gas furnace with a thermostat deciding which runs, plus a cost comparison dial and a cold-weather thermometer

Dual-Fuel Heat Pump + Furnace: When It Makes Sense (2026)

How a dual-fuel (hybrid) heat pump and gas furnace work together, how to set the switchover temperature from your electric and gas rates, the install cost premium, and when dual-fuel beats all-electric or all-gas. Updated for 2026.

Sofia NguyenDec 27, 2025Updated Jun 1, 202616 min read