GB 26969-2011 Minimum allowable values of energy efficiency and energy efficiency grades for domestic solar water heating systems
China
Storage Water Heaters
Mandatory
Minimum Performance Standard
Entered into force, Revised, To Be Superseded
2011
2012
November 2025
Solar
GB 26969-2025 Minimum allowable values of energy efficiency and energy efficiency grades for domestic solar water heating systems
China
Storage Water Heaters
Mandatory
Minimum Performance Standard
Revised
2011
2025
November 2025
Electricity
GB 38448-2019 Minimum allowable values and grades of the energy efficiency and water efficiency for smart water closets
China
Toilets
Mandatory
Minimum Performance Standard
New, To Be Superseded
2019
November 2025
Water
GB 38448-2025 Minimum allowable values and grades of the energy efficiency and water efficiency for smart toilets
China
Toilets
Mandatory
Minimum Performance Standard
Revised
2019
2025
November 2025
Electricity
GB 38448-2025 Minimum allowable values and grades of the energy efficiency and water efficiency for smart toilets
China
Toilets
Mandatory
Minimum Performance Standard
Revised
2019
2025
September 2025
Electricity