(۱) HVAC TSPR (Total System Performance Ratio)

(۲) COP (Coefficient of Performance) 

(۳) EER (Energy Efficiency Ratio) 

(۴) EEI (Energy Efficiency Index) 

(۵) IEER (Integrated Energy Efficiency Ratio) 

(۶) SEER (Seasonal Energy Efficiency Ratio) 

(۷) HSPF (Heating Seasonal Performance Factor) 

(۸) FLV (Full Load Value) 

(۹) IPLV (Integrated Partial Load Value) 

(۱۰) AFUE (Annual Fuel Utilization Efficiency) 

(۱۱) MRE (Minimum Reporting Efficiency)

(۱۲) ISMRE (Integrated Seasonal Minimum Reporting Efficiency) 

(۱۳) ISCOP (Integrated Seasonal Coefficient of Performance

(۱۴) HVAC (Heating, Ventilation and Air Conditioning)

(۱۵) DHW (Domestic Hot Water)

(۱۶) Off Grid