Definition: A measure of refrigeration system efficiency, calculated as the ratio of cooling capacity (output) to energy consumed (input). Higher COP indicates better efficiency.
Formula: COP = Cooling Capacity (kW) ÷ Power Input (kW)
Typical Values:
- Transport refrigeration units: COP 1.0-2.5
- Stationary cold rooms: COP 2.5-4.0
- Industrial systems: COP 3.0-6.0
Why It Matters: COP directly impacts operating costs. A TRU with COP 2.0 provides 2 kW of cooling for every 1 kW of fuel energy, while COP 1.5 provides only 1.5 kW cooling per kW input.
Related Terms: Energy Efficiency, Refrigeration Capacity, Operating Cost