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GB 26969-2025 Minimum allowable values of energy efficiency and energy efficiency grades for domestic solar water heating systems

Policy Details

Minimum allowable values of energy efficiency and energy efficiency grades for domestic solar water heating systems
家用太阳能热水系统能效限定值及能效等级
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This standard revises minimum energy performance standards (MEPS) and energy efficiency grades for domestic solar water heating systems with the volume of storage water tank not exceeding 0.6 cubic meter. It replaces GB 26969-2011, and will be effective starting 2026 August.

Energy efficiency and grades

Energy efficiency requirements and rating

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Asia and Pacific
China
Mandatory
Minimum Performance Standard
Entered into force & Revised
Adopted
Revised
Updated by CLASP
The Standardization Administration of China
GB/T 18708
GB/T 19741

Fuel Types

Electricity

Related Topics

Energy Efficiency

Products Covered

Storage Water Heaters

Related Information