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A hybrid heat system reacts to changes in temperature and automatically adjusts to the method available to heat or cool a house. It combines a furnace with a heat pump. ^[1]

Mechanics

A heat pump can be used to both cool or heat a house. The heat pump transfers heat via the transmission of R-410A refrigerant. ^[2]

Hybrid heat works with a gas furnace and electric heat pump systems ^[3] or using a variable-speed fan. Variable-speed fans use direct-current electronically commutated motors (ECM). ^{[4] [5]}

Energy consumption

A heat pump can reduce electricity use by up to 40% by transferring heat instead of making heat with fuel, for example a gas furnace. ^[6]

References