In order to compare performance data, you must have the same operating conditions. According to EN 255. The following abbreviations are defined:
- • "W" for water
- • "B" for Brine
- • "A" for Air
COP for the ideal comparison process (the Carnot cycle)
Coefficient of Performance (Carnot) = T / (T-T0)
T: temperature of the environment is delivered to the heat, in K
T0: ambient temperature, the heat is removed, in K
