National Standard of the P.R.C., Minimum allowable values of energy efficiency and energy efficiency grades for domestic solar water heating systems

This document specifies the minimum allowable values of energy efficiency, energy efficiency grades and test methods for domestic solar water heating systems. This document applies to solar water heating systems with heat storage tanks with  volume of less than 0.6m3.

Source

ePing TBT Platform
G/TBT/N/CHN/1928

Products

Heaters; instantaneous or storage water heaters, non-electric, (other than instantaneous gas or solar water heaters) (841919),