T/GDBX 007-2018 Minimum allowable values of the energy efficiency and energy efficiency grades for variable speed heat pump water heaters for household and similar application (English Version)
1. Energy efficiency level 2. Energy efficiency limit value 3. Test method 4. Annual comprehensive energy efficiency ratio (APF) calculation 5. Inspection rules
T/GDBX 007-2018 history
2018T/GDBX 007-2018 Minimum allowable values of the energy efficiency and energy efficiency grades for variable speed heat pump water heaters for household and similar application