COP - Cooling

Coefficient of performance for cooling: useful evaporator duty divided by compressor work. The headline refrigeration efficiency number.

Refrigeration

Evaporator dutykWCompressor workkW

COP_cooling: 4.17 -

EER (imperial): 14.22Btu/Wh

Changing the inputs requires JavaScript. The calculator above shows its default inputs and result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

\text{COP}_\text{cool} = \frac{Q_\text{evap}}{W_\text{comp}}

Symbol	Meaning	Unit
$Q_\text{evap}$	Heat absorbed at evaporator	kW
$W_\text{comp}$	Compressor shaft power	kW
$COP$	Coefficient of performance

Source: ASHRAE Handbook - Refrigeration

In short

Coefficient of performance for cooling: useful evaporator duty divided by compressor work.

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