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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB 21454-2021 |
Minimum allowable values of the energy efficiency and energy efficiency grades for multi-connected air-condition (heat pump) units 多联式空调（热泵）机组能效限定值及能效等级 |
China National Standards Grade the heat |
 English PDF |
| GB 30721-2014 |
Minimum allowable values of the energy efficiency and energy efficiency grades for water-source（ground-source）heat pumps 水(地)源热泵机组能效限定值及能效等级 |
China National Standards Grade the heat |
English PDF |
| GB 29541-2013 |
The minimum allowable values of the energy efficiency and energy efficiency grades for heat pump water heaters 热泵热水机（器）能效限定值及能效等级 |
China National Standards Grade the heat |
English PDF |
| GB/T 29457-2012 |
Grade of the heat wave 高温热浪等级 |
China National Standards Grade the heat |
English PDF |
| GB 21519-2008 |
Minimum allowable values of the energy efficiency and energy efficiency grades for electrical storage water heaters 储水式电热水器能效限定值及能效等级 |
China National Standards Grade the heat |
English PDF |
| GB 21454-2008 |
The minimum allowable values of the IPLV and energy efficiency grades for multi-connected air-condition(heat pump) unit 多联式空调（热泵）机组能效限定值及能源效率等级 |
China National Standards Grade the heat |
English PDF |
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