Gas-fired storage water heaters - commercial
Energy Efficiency Regulations
Regulatory definition
Commercial gas-fired storage water heater means a stationary gas-heated water container that uses propane or natural gas for fuel, has an input rate of greater than 21.97 kW (75,000 Btu/h) and has a Vr of at least 76 L (20 US gallons).
Compliance date
Manufactured on or after July 1, 2023.
Testing standard
10 C.F.R. Appendix A
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 performance standard for |
|
|---|---|
Energy-using product |
Energy efficiency standard |
|
Uniform energy factor ≥ 0.8107-0.00021 Vs |
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Uniform energy factor ≥ 0.6597-0.00024 Vs |
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Thermal efficiency ≥ 90% |
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Thermal efficiency ≥ 80% |
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Thermal efficiency ≥ 90% Standby loss ≤ 0.84(1.25 Q+ 16.57√Vs) |
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Thermal efficiency ≥ 80% Standby loss ≤ 1.25 Q+ 16.57√Vs |
L = Litres
Vr = the rated nominal volume, typically used in marketing material
Vs = the measured storage volume as defined in the testing standard
Q = the nameplate input rate in Btu/hr
Energy efficiency report requirements
- name of product
- brand name
- model number
- manufacturer
- name of the certification body or province whose verification mark will be on the product or its package
- whether a mathematical model as defined in the Regulations was used to generate any of the information provided below
- fuel type
- Vr, in litres
- Vs, in litres
- input rate, in kW (Btu/h)
- annual energy consumption kJ (Btu)
- recovery efficiency
- uniform energy factor
- thermal efficiency
- information that indicates whether the product is a replacement unit
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.
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