Use only non-ozone-depleting refrigerants.
Select equipment with an average HFC refrigerant charge of no more than 1.75 pounds of refrigerant per 1,000 Btu/h ( 2.72 kg of refrigerant per kW) total evaporator cooling load.
Demonstrate a predicted store-wide annual refrigerant emissions rate of no more than 15%. Conduct leak testing using the procedures in GreenChill’s best practices guideline for leak tightness at installation.