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  3. /NOM-003-ENER-2011
ENER (Energy)EnergyActive

NOM-003-ENER-2011

Thermal efficiency of water heaters for domestic and commercial use

Establishes minimum thermal efficiency limits and safety requirements for domestic and commercial water heaters. Applies to gas, electric and solar heaters.

Last updated: 2024

Affected products

Gas heatersElectric heatersBoilersSolar heatersTankless heaters

Compliance requirements

  • Meet minimum thermal efficiency by type
  • Certified safety tests
  • Energy efficiency label
  • NOM conformity certificate
  • Technical data marking

Related tariff codes

These tariff codes may be subject to this NOM. Check the specific code to confirm.

8419.11.018516.10.018419.19.01

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