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 BU600 Heat pumps

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Heat pumps use refrigerants to transfer heat from one location to another. This can include either heating or cooling of indoor air depending on the direction of the heat transfer. There are numerous configurations on the basic system, and a variety of terminology is used.

This bulletin focuses on the mechanics, performance and application of air-to-air, split, reversible-cycle heat pumps and updates and replaces Bulletin 473 of the same name.

This bulletin covers:

  • heat pump systems
  • refrigeration cycle
  • installation
  • heat pump applications
  • outdoor unit
  • indoor unit
  • sizing
  • energy efficiency and energy use
  • using a heat pump.

Publication date: August 2016 Keywords: heat, pump, air, energy, cooling, heating