|home | alphabetical index|
Heat pumpA heat pump moves energy in the form of heat from one point to another. Heat pumps are realized through several physical effects.
The most common are
When comparing the performance of heat pumps, it is best to avoid the word "efficiency", as it has many different meanings. The term coefficient of performance or COP is used to describe the ratio of heat output to electrical power consumption. A typical heat pump has a COP of about three, whereas an electric heater has a COP of just one.
|copyright © 2004 FactsAbout.com|