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Oxford study proves heat pumps triumph over fossil fuels in the cold (www.nationalobserver.com)

submitted 1 year ago by L4s to c/technology

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Oxford study proves heat pumps triumph over fossil fuels in the cold::Published Monday in the scientific journal Joule, the research found that heat pumps are two to three times more efficient than their oil and gas counterparts, specifically in temperatures ranging from 10 C to -20 C.

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[–] aircooledJenkins 17 points 1 year ago

Yes, there are cold weather heat pumps that can thaw the coils to keep operating. There is a point where they just can't continue to operate.

When I design a heat pump system in cold climates, I always include a secondary hear source that kicks in if the heat pump gets overwhelmed. Might be a gas section in a furnace. Might be an electric heater in a fan coil. Might be electric baseboards or wall heaters.