Gas-fired storage water heaters

Energy Efficiency Regulations

Regulatory definition

Gas-fired storage water heater, a stationary gas-fired storage heated water container that:

  • uses propane or natural gas for fuel
  • has an input  of not more than 21.97 kW (75,000 Btu/h)
  • has a storage tank capacity, Vr, of at least 76 L (20 US gallons) but not more than 380 L (100 US gallons)

Compliance date

Manufactured on or after December 31, 2016

Compliant product models

Gas-fired storage water heaters as listed on NRCan’s searchable database

EnerGuide label required

Testing standard

CSA P.3-04

Energy efficiency regulations by province

Some provinces also have their own energy efficiency regulations for many of the federally regulated products – find out which ones!

Energy efficiency standard

Energy factor of ≥ 0.675 – 0.00039 Vr

Energy efficiency report requirements

  • name of product
  • brand name
  • model number
  • manufacturer
  • the name of the certification body or province whose verification mark will be on the product or its package
  • Vr, expressed in litres
  • input rate, expressed in kilowatts
  • recovery efficiency
  • energy factor
  • fuel type
  • annual energy consumption, expressed in kilo- joules
  • first hour rating, expressed in litres

Download the energy efficiency reporting template.

This document does not constitute part of the Energy Efficiency Act (Act) or its associated regulations.  This document is an administrative document that is intended to facilitate compliance by the regulated party with the Act and its associated regulations.  This document is not intended to provide legal advice regarding the interpretation of the Act or its associated regulations. If a regulated party has questions about their legal obligations or responsibilities under the Act or its associated regulations, they should seek the advice of legal counsel.