CEL-009. Domestic Gas Instantaneous Water Heater and Gas Fired Heating - Hot Water Combination Boilers
China
Instantaneous Water Heaters
Mandatory
Comparative Label
Entered into force, Revised
2008
2015
May 2021
Gas
CEL-035. Heat Pump Water Heaters
China
Heat Pumps, Instantaneous Water Heaters
Mandatory
Comparative Label
Entered into force, Revised
2008
2015
May 2021
Electricity
CEL-040. Groundwater Source Heat Pump Systems
China
Instantaneous Water Heaters, Storage Water Heaters
Mandatory
Comparative Label
Entered into force, Revised
2008
2015
May 2021
Electricity
GB 20665-2015 Minimum allowable values of energy efficiency and energy efficiency grades for domestic gas instantaneous water heaters and gas fired heating and hot water combi-boilers
China
Instantaneous Water Heaters
Mandatory
Minimum Performance Standard
Entered into force, Revised
2006
2016
June 2021
Gas
NOM-003-ENER-2021
Mexico
Instantaneous Water Heaters, Storage Water Heaters
Mandatory
Comparative Label, Minimum Performance Standard
Entered into force, New
2021
September 2025
Gas, LPG
NOM-027-ENER/SCFI-2018 - Solar water heaters
Mexico
Instantaneous Water Heaters, Storage Water Heaters
Mandatory
Minimum Performance Standard
Entered into force, New
2018
December 2023
Electricity, Gas, LPG, Solar
Standard NOM-003-ENER-2011 - Domestic and Commercial Water Heaters
Mexico
Instantaneous Water Heaters, Storage Water Heaters
Mandatory
Comparative Label, Minimum Performance Standard
Entered into force, New
2011
September 2022
Gas