Energy Efficiency Regulations, 2016 — 376
Energy-efficiency standards — household 376 (1) The energy efficiency standards set out in column 3 of Table 1 to this section apply to household gas-fired storage water heaters described in column 1 that are manufactured during the periods set out in column 4. Testing standard — household (2) A household gas-fired storage 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 a gas-fired storage water heater as defined in subsection 369(1). Energy efficiency standards — commercial (3) The energy efficiency standards set out in column 3 of Table 2 to this section apply to commercial gas-fired storage water heaters described in column 1 that are manufactured on or after July 1, 2023. Testing standard — commercial (4) A commercial gas-fired storage 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 a gas-fired storage water heater as defined in subsection 369(1). TABLE 1 Column 1 Column 2 Column 3 Column 4 Item Energy-using Product Testing Standard Energy Efficiency Standard Period of Manufacture 1 Household gas-fired storage water heaters CSA P.3-04 Energy factor of ≥ 0.67 – 0.0005 V r On or after February 3, 1995 and before December 31, 2016 2 Household gas-fired storage water heaters CSA P.3-04 Energy factor of ≥ 0.675 – 0.00039 V r On or after December 31, 2016 and before January 1, 2018 3 Household gas-fired storage water heaters that have a first-hour rating of < 68 L (18 US gallons) CSA P.3-04 for energy factor CSA P.3-15 for uniform energy factor Must have at least one of the following: (a) energy factor of ≥ 0.675 – 0.00039 V r ; or (b) uniform energy factor of ≥ 0.3456 –0.00053 V s On or after January 1, 2018 and before May 6, 2029 4 Household gas-fired storage water heaters that have a first-hour rating of ≥ 68 L (18 US gallons) but < 193 L (51 US gallons) CSA P.3-04 for energy factor CSA P.3-15 for uniform energy factor Must have at least one of the following: (a) energy factor of ≥ 0.675 – 0.00039 V r ; or (b) uniform energy factor of ≥ 0.5982 – 0.00050 V s . On or after January 1, 2018 and before May 6, 2029 5 Household gas-fired storage water heaters that have a first-hour rating of ≥ 193 L (51 US gallons) but < 284 L (75 US gallons) CSA P.3-04 for energy factor CSA P.3-15 for uniform energy factor Must have at least one of the following: (a) energy factor of ≥ 0.675 – 0.00039 V r ; or (b) uniform energy factor of ≥ 0.6483 – 0.00045 V s . On or after January 1, 2018 and before May 6, 2029 6 Household gas-fired storage water heaters that have a first-hour rating of ≥ 284 L (75 US gallons) CSA P.3-04 for energy factor CSA P.3-15 for uniform energy factor Must have at least one of the following: (a) energy factor of ≥ 0.675 – 0.00039 V r ; or (b) uniform energy factor of ≥ 0.692 – 0.00034 V s . On or after January 1, 2018 and before May 6, 2029 7 Household gas-fired storage water heaters 10 C.F.R. Appendix E Must have at least one of the following: (a) uniform energy factor of ≥ 0.3456 − 0.00053 V eff , if draw pattern is very-small-usage; (b) uniform energy factor of ≥ 0.5982 − 0.00050 V eff , if draw pattern is low-usage; (c) uniform energy factor of ≥ 0.6483 − 0.00045 V eff , if draw pattern is medium-usage; or (d) uniform energy factor of ≥ 0.692 − 0.00034 V eff , if draw pattern is high-usage. On or after May 6, 2029 TABLE 2 Column 1 Column 2 Column 3 Item Energy-using Product Testing Standard Energy Efficiency Standard 1 Commercial gas-fired storage water heaters, other than replacement units, that have an input rate of > 21.97 kW (75,000 Btu/h) but ≤ 30.5 kW (105,000 Btu/h), have a V r of ≤ 454 L (120 US gallons), use single-phase power and limit water temperatures to < 82°C (180°F) CSA P.3