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Energy Efficiency Regulations, 2016 (SOR/2016-311)

Regulations are current to 2025-10-28 and last amended on 2025-10-09. Previous Versions

PART 2Energy-Using Products (continued)

DIVISION 6Water Heaters (continued)

SUBDIVISION COil-Fired Water Heaters

Marginal note:Definitions

378 The following definitions apply in this Subdivision.

CSA B211-00

CSA B211-00 means the CSA standard CAN/CSA-B211-00 entitled Energy Efficiency of Oil-Fired Storage Tank Water Heaters. (CSA B211-00)

oil-fired water heater

oil-fired water heater[Repealed, SOR/2025-110, s. 53]

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Marginal note:Type

378.1 For the purpose of these Regulations, an oil-fired water heater is one of the following types:

  • (a) household, if it has an input rate of less than or equal to 30.5 kW (105,000 Btu/h); or

  • (b) commercial, if it is has an input rate of greater than 30.5 kW (105,000 Btu/h).

Marginal note:Energy-using product

  • 379 (1) An oil-fired water heater is prescribed as an energy-using product.

  • Marginal note:Limits

    (2) However, for the purposes of sections 4, 5 and 380, an oil-fired water heater is not considered to be an energy-using product unless

    • (a) it is a household oil-fired water heater that is manufactured on or after February 3, 1995; or

    • (b) it is a commercial oil-fired water heater that is manufactured on or after January 1, 2020.

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Marginal note:Energy efficiency standards — household

  • 380 (1) The energy efficiency standards set out in column 3 of Table 1 to this section apply to household oil-fired water heaters described in column 1 that are manufactured during the period set out in column 4.

  • Marginal note:Testing standard — household

    (2) A household oil-fired water heater complies with the energy efficiency standard if it meets that standard when tested in accordance with testing procedures established by the standard set out in column 2 of Table 1 that are applicable to an oil-fired water heateras defined in subsection 369(1).

  • Marginal note:Energy efficiency standards — commercial

    (3) The energy efficiency standards set out in column 2 of Table 2 to this section apply to commercial oil-fired water heaters described in column 1 that are manufactured on or after January 1, 2020.

  • Marginal note:Testing standard — commercial

    (4) A commercial oil-fired water heater complies with the energy efficiency standard if it meets that standard when tested in accordance with testing procedures established by the standard set out in column 2 of Table 2 that are applicable to an oil-fired water heater as defined in subsection 369(1).

    TABLE 1

    Column 1Column 2Column 3Column 4
    ItemEnergy-using ProductTesting StandardEnergy Efficiency StandardPeriod of Manufacture
    1Household oil-fired water heatersCSA B211-00Energy factor of ≥ 0.59 – 0.0005 VrOn or after February 3, 1995 and before December 31, 2016
    2Household oil-fired water heatersCSA B211-00Energy factor of ≥ 0.68 – 0.0005 VrOn or after December 31, 2016 and before January 1, 2018
    3Household oil-fired water heaters that have a first-hour rating of < 68 L (18 US gallons)

    CSA B211-00 for energy factor

    CSA P.3-15 for uniform energy factor

    Must have at least one of the following:

    • (a) energy factor of ≥ 0.68 – 0.0005 Vr; or

    • (b) uniform energy factor of ≥ 0.2509 – 0.00032 Vs.

    		On or after January 1, 2018 and before May 6, 2029
    4Household oil-fired water heaters that have a first-hour rating of ≥ 68 L (18 US gallons) but < 193 L (51 US gallons)

    CSA B211-00 for energy factor

    CSA P.3-15 for uniform energy factor

    Must have at least one of the following:

    • (a) energy factor of ≥ 0.68 – 0.0005 Vr; or

    • (b) uniform energy factor of ≥ 0.5330 – 0.00042 Vs.

    		On or after January 1, 2018 and before May 6, 2029
    5Household oil-fired water heaters that have a first-hour rating of ≥ 193 L (51 US gallons) but < 284 L (75 US gallons)

    CSA B211-00 for energy factor

    CSA P.3-15 for uniform energy factor

    Must have at least one of the following:

    • (a) energy factor of ≥ 0.68 – 0.0005 Vr; or

    • (b) uniform energy factor of ≥ 0.6078 – 0.00042 Vs.

    		On or after January 1, 2018 and before May 6, 2029
    6Household oil-fired water heaters that have a first-hour rating of ≥ 284 L (75 US gallons)

    CSA B211-00 for energy factor

    CSA P.3-15 for uniform energy factor

    Must have at least one of the following:

    • (a) energy factor of ≥ 0.68 – 0.0005 Vr; or

    • (b) uniform energy factor of ≥ 0.6815 – 0.00037 Vs.

    		On or after January 1, 2018 and before May 6, 2029
    7Household oil-fired water heaters10 C.F.R. Appendix E

    Must have at least one of the following:

    • (a) uniform energy factor of ≥ 0.2509 − 0.00032 Veff, if draw pattern is very-small-usage;

    • (b) uniform energy factor ≥ 0.5330 − 0.00042 Veff, if draw pattern is low-usage;

    • (c) uniform energy factor ≥ 0.6078 − 0.00042 Veff, if draw pattern is medium-usage; or

    • (d) uniform energy factor ≥ 0.6815 − 0.00037 Veff, if draw pattern is high-usage.

    		On or after May 6, 2029

    TABLE 2

    Column 1Column 2Column 3
    ItemEnergy-using ProductTesting StandardEnergy Efficiency Standard
    1Commercial oil-fired water heaters that have an input rate of > 30.5 kW (105,000 Btu/h) but ≤ 40.99 kW (140,000 Btu/h), have a Vr of ≤ 454 L (120 US gallons), use single-phase power, limit water temperatures to < 82°C (180°F) and are manufactured on or after January 1, 2020CSA P.3-15Uniform energy factor ≥ 0.6740 - 0.00035 Vs
    2Commercial oil-fired water heaters with a Vr of > 530 L (140 US gallons) that are manufactured on or after January 1, 202010 C.F.R. Appendix AThermal efficiency ≥ 80%
    3Commercial oil-fired water heaters, other than those described in items 1 and 2, that are manufactured on or after January 1, 202010 C.F.R. Appendix A

    Thermal efficiency ≥ 80%

    Standby loss ≤ 1.25 Q + 16.57√Vs

Previous Version

Marginal note:Information

381 For the purpose of subsection 5(1) of the Act, the information set out in column 3 of the table to this section must be collected in accordance with the standard set out in column 2 and provided to the Minister in respect of an oil-fired water heater described in column 1.

TABLE

ItemColumn 1Column 2Column 3
Energy-using ProductTesting StandardInformation
1Household oil-fired water heaters that are manufactured on or after February 3, 1995 and before January 1, 2018CSA B211-00

  • (a) input rate, in kW (Btu/h);

  • (b) recovery efficiency;

  • (c) annual energy consumption, in kJ (Btu);

  • (d) first-hour rating, in L;

  • (e) Vr; and

  • (f) energy factor.

2Household oil-fired water heaters that are manufactured on or after January 1, 2018 and before May 6, 2029

CSA B211-00, if a certification body has verified that product is in compliance with the energy efficiency standard set out in any of paragraphs 3(a), 4(a), 5(a) and 6(a) of Table 1 to section 380

CSA P.3-15, if a certification body has verified that product is in compliance with the energy efficiency standard set out in any of paragraphs 3(b), 4(b), 5(b) and 6(b) of Table 1 to section 380

  • (a) input rate, kW (Btu/h);

  • (b) recovery efficiency;

  • (c) annual energy consumption, in kJ (Btu);

  • (d) first-hour rating, in L;

  • (e) Vr;

  • (f) energy factor; and

  • (g) uniform energy factor and Vs, if a certification body has verified that product is in compliance with the energy efficiency standard set out in any of paragraphs 3(b), 4(b), 5(b) and 6(b) of Table 1 to section 380.

2.1Household oil-fired water heaters that are manufactured on or after May 6, 202910 C.F.R. Appendix E

  • (a) input rate, in kW (Btu/h);

  • (b) recovery efficiency;

  • (c) annual energy consumption, in kJ (Btu);

  • (d) first-hour rating, in L;

  • (e) Vr;

  • (f) Veff; and

  • (g) uniform energy factor.

3Commercial oil-fired water heaters that have an input rate of > 30.5 kW (105,000 Btu/h) but ≤ 40.99 kW (140,000 Btu/h), have a Vr of ≤ 454 L (120 US gallons), use single-phase power, limit water temperatures to < 82°C (180°F) and are manufactured on or after January 1, 2020CSA P.3-15

  • (a) input rate, in kW (Btu/h);

  • b) uniform energy factor;

  • (c) Vr; and

  • (d) Vs.

4Commercial oil-fired water heaters with a Vr of > 530 L (140 US gallons) that are manufactured on or after January 1, 202010 C.F.R. Appendix A

  • (a) input rate, in kW (Btu/h);

  • (b) thermal efficiency;

  • (c) Vr; and

  • (d) Vs.

5Commercial oil-fired water heaters, other than those described in items 3 and 4, that are manufactured on or after January 1, 202010 C.F.R. Appendix A

  • (a) input rate, in kW (Btu/h);

  • (b) thermal efficiency;

  • (c) Vr;

  • (d) Vs; and

  • (e) standby loss, in W.

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SUBDIVISION DGas-Fired Instantaneous Water Heaters

Marginal note:Definitions

382 The following definitions apply in this Subdivision.

gas-fired instantaneous water heater

gas-fired instantaneous water heater[Repealed, SOR/2025-110, s. 56]

maximum flow rate

maximum flow rate means, in respect of a gas-fired instantaneous water heater, the maximum litres per minute (gallons per minute) of hot water that can be supplied by the water heater while operating in a steady state and maintaining a nominal temperature rise of 37.3°C (67°F). (débit maximal)

10 C.F.R. Appendix C

10 C.F.R. Appendix C means Appendix C to the Subpart G, Part 431 of Title 10 to the United States Code of Federal Regulations, entitled Uniform Test Method for the Measurement of Thermal Efficiency and Standby Loss of Gas-Fired and Oil-Fired Instantaneous Water Heaters and Hot Water Supply Boilers (Other Than Storage-Type Instantaneous Water Heaters), as amended from time to time. (appendice C 10 C.F.R.)

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Marginal note:Type

383 For the purpose of these Regulations, a gas-fired instantaneous water heater is one of the following types:

  • (a) household, if it has an input rate of less than 58.56 kW (200,000 Btu/h), has a Vr of no greater than 7.6 L (2 US gallons) and is designed to provide hot water at a temperature no greater than 82°C (180°F); or

  • (b) commercial, if it is not described in paragraph (a).

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