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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]


A heat pump can be used to 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]


  1. ^ "Hybrid Heat Systems: How Do They Work? - Trane®". Trane Residential. 2023-01-24. Retrieved 2023-08-03.
  2. ^ "How Heat Pumps Work", HowStuffWorks, Retrieved December 16, 2015
  3. ^ Jones, Kristen (Aug 1, 2023). "How do hybrid dual fuel systems work?". Retrieved Dec 3, 2023.
  4. ^ "Energy Star Showcases Efficient, Green HVAC Products", ACHR News, Retrieved December 16, 2015
  5. ^ "Comparing Motor Technologies", ACHR News, Retrieved December 16, 2015
  6. ^ "Heat Pump Systems",, Retrieved December 16, 2015