coefficient of performance (COP)

Also called: COP

Standards

ratio of the heating capacity to the effective power input to the device at any given set of rating conditions

Where the COP is stated without an indication of units, it is understood that it is derived from watts/watts.

Source - AS/NZS 3823.1.2:2012: Airconditioners and heat pumps

HB50

ratio of net useful heat extracted, to the energy required to operate a cycle (such as heating or cooling)

Unit: joules (J).

See also: energy efficiency <air-conditioning>