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How a Heat Pump Works

How a Heat Pump Works. By: Adam Meeker. What is a Heat Pump?. A heat pump is a device which transfers heat energy from one place to another. Major Components. Indoor coil Outdoor coil Compressor Fan Expansion Device. How It Works.

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How a Heat Pump Works

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  1. How a Heat Pump Works By: Adam Meeker

  2. What is a Heat Pump? A heat pump is a device which transfers heat energy from one place to another.

  3. Major Components • Indoor coil • Outdoor coil • Compressor • Fan • Expansion Device

  4. How It Works • Liquid refrigerant is pumped through outdoor coil, picking up heat • Vapor travels through compressor and is further heated (high pressure) • Vapor continues to indoor coil where it expels heat, absorbs cool air, and condenses back to liquid • Fans blow heat through ducts to heat house • Cooled vapor passes through the expansion device where pressure is reduced, cooled and converted back to liquid refrigerant • Other methods such as water or ground source heat can be used.

  5. Efficiency • Very efficient in use of energy • Takes less electrical energy to move heat than convert electrical energy to heat • Heat pumps generally magnify heat rather than just create it leading to high levels of efficiency • Reduces heat costs by 30-50% compared to electric furnaces

  6. How It Works (Diagram) http://www.ari.org/consumer/howdoesitwork/howHPwks.html

  7. References • http://home.howstuffworks.com/ac3.htm • http://energyoutlet.com/res/heatpump/how.html • http://www.heatpumpcentre.org/ • http://www.ari.org/consumer/howdoesitwork/howHPwks.html

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