O. Reg. 334/20: ENERGY AND WATER EFFICIENCY - APPLIANCES AND PRODUCTS

filed June 30, 2020 under Electricity Act, 1998, S.O. 1998, c. 15, Sched. A

ontario regulation 334/20

made under the

Electricity Act, 1998

Made: June 25, 2020
Filed: June 30, 2020
Published on e-Laws: June 30, 2020
Printed in The Ontario Gazette: July 18, 2020

Amending O. Reg. 509/18

(ENERGY AND WATER EFFICIENCY - APPLIANCES AND PRODUCTS)

1. (1) Paragraphs 5 and 7 of subsection 2 (3) of Ontario Regulation 509/18 are revoked.

(2) Paragraph 14 of subsection 2 (3) of the Regulation is revoked and the following substituted:

14. FER: fan efficiency rating.

2. Subsection 11 (2) of the Regulation is amended by striking out “or 28” in the portion before paragraph 1.

3. (1) Subparagraph 38 ii of section 1 of Schedule 1 to the Regulation is amended by striking out “Kitchen ranges and ovens” and substituting “Cooking products”.

(2) Subparagraph 38 iii of section 1 of Schedule 1 to the Regulation is amended by striking out “January 1, 2014” at the end and substituting “the date the particular appliance or product is manufactured”.

(3) Subparagraph 39 iii of section 1 of Schedule 1 to the Regulation is amended by adding “However, walk-in cooler unit coolers with a fan motor that operates using alternating current with a nominal voltage of greater than 480 V are excluded.” at the end.

4. (1) Subparagraph 6 i of section 1 of Schedule 2 to the Regulation is amended by striking out “or later” at the end and substituting “to June 30, 2023 inclusive”.

(2) Section 1 of Schedule 2 to the Regulation is amended by adding the following paragraphs:

6.1 Water heater, gas-fired, storage, with an input rating of more than 22 kW (75,000 Btu/h) and not more than 30.5 kW (105,000 Btu/h), and with a tank volume of not more than 454 L (120 US gallons):

i. Date of manufacture: July 1, 2023 or later.

ii. Testing standard: U.S. DOE 10 Code of Federal Regulations Part 430, Appendix E to Subpart B, Uniform Test Method for Measuring the Energy Consumption of Water Heaters, as it read on the date the particular appliance or product is manufactured.

iii. Scope of application: a stationary gas-fired water heater with an input rate of greater than 22 kW (75,000 Btu/h) but not more than 30.5 kW (105,000 Btu/h), a nominal storage tank volume of at least 76 L (20 US gallons) but not more than 454 L (120 US gallons), that uses single-phase power and that limits water temperatures to less than 82°C (180°F). However, units with an input rate of 309 watts or more per litre (4,000 Btu/h or more per US gallon) of stored water are excluded.

iv. Prescribed efficiency standard or requirement:

A. Replacement units: uniform energy factor ≥ 0.6597 - 0.00024 V_s, where V_s is the measured storage volume of the water heater’s storage tank, expressed in litres.

B. Other than replacement units: uniform energy factor ≥ 0.8107 - 0.00021 V_s, where V_s is the measured storage volume of the water heater’s storage tank, expressed in litres.

6.2 Water heater, gas-fired, storage, with an input rating of more than 22 kW (75,000 Btu/h), to which paragraph 6.1 does not apply:

i. Date of manufacture: July 1, 2023 or later.

ii. Testing standard: ANSI Z21.10.3-2017 / CSA 4.3-2017, Gas-fired water heaters, volume III, storage water heaters with input ratings above 75,000 Btu per hour, circulating and instantaneous, or U.S. DOE 10 Code of Federal Regulations Part 431, Appendix A to Subpart G, §431.106 Uniform test method for the measurement of energy efficiency of commercial water heating equipment, as it read on the date the particular appliance or product is manufactured.

iii. Scope of application: a stationary gas-fired water heater with an input rate of greater than 22 kW (75,000 Btu/h), nominal storage tank volume of at least 76 L (20 US gallons) and input rate of less than 309 watts per litre (4,000 Btu/h per US gallon) of stored water, that meets one or more of the following conditions:

A. Has an input rating of more than 30.5 kW (105,000 Btu/h).

B. Has a nominal storage tank volume of more than 454 L (120 US gallons).

C. Does not use single-phase electric power.

D. Permits water temperatures of 82°C (180°F) or higher.

iv. Prescribed efficiency standard or requirement:

A. Units marked for replacement installations only: thermal efficiency ≥ 80% and standby loss in watts ≤ Q/0.8 + 16.57(V_s)^½, where Q is the nameplate input rate in kilowatts and V_s is the measured storage volume in litres (or, equivalently, standby loss in Btu/h ≤ Q/800 + 110(V_s)^½, where Q is the nameplate input rate in Btu/h and V_s is the measured storage volume in US gallons).

B. Units not marked for replacement installations only: thermal efficiency ≥ 90% and standby loss in watts ≤ 0.84(Q/0.8 + 16.57(V_s)^½), where Q is the nameplate input rate in kilowatts and V_s is the measured storage volume in litres (or, equivalently, standby loss in Btu/h ≤ 0.84(Q/800 + 110(V_s)^½), where Q is the nameplate input rate in Btu/h and V_s is the measured storage volume in US gallons).

(3) Subparagraph 7 i of section 1 of Schedule 2 to the Regulation is amended by striking out “or later” at the end and substituting “to June 30, 2020 inclusive”.

(4) Section 1 of Schedule 2 to the Regulation is amended by adding the following paragraph:

7.1. Water heater, gas-fired, instantaneous, with an input rating of less than 58.56 kW (200,000 Btu/h):

i. Date of manufacture: July 1, 2020 or later.

ii. Testing standard: CSA P.3-15, Testing method for measuring energy consumption and determining efficiencies of gas-fired and fuel oil-fired water heaters.

iii. Scope of application: a flow-activated gas-fired instantaneous water heater that has an input rating of 309 watts or more per litre (4,000 Btu/h or more per US gallon) of stored water, with rated storage capacity up to and including 7.6 L (2 US gallons), having rated input of less than 58.56 kW (200,000 Btu/h) and designed to provide outlet hot water at a controlled temperature up to and including 82°C.

iv. Prescribed efficiency standard or requirement:

A. If maximum flow rate is <6.4 L/min. (1.7 US gallons/min.): Uniform energy factor ≥ 0.86.

B. If maximum flow rate is ≥6.4 L/min (1.7 US gallons/min.): Uniform energy factor ≥ 0.87.

(5) Subparagraph 8 i of section 1 of Schedule 2 to the Regulation is amended by striking out “or later” at the end and substituting “to June 30, 2020 inclusive”.

(6) Section 1 of Schedule 2 to the Regulation is amended by adding the following paragraphs:

8.1. Water heater, gas-fired, instantaneous, with an input rating of 58.56 kW (200,000 Btu/h) or more:

i. Date of manufacture: July 1, 2020 to June 30, 2023 inclusive.

ii. Testing standard: ANSI Z21.10.3-2017 / CSA 4.3-2017, Gas-fired water heaters, volume III, storage water heaters with input ratings above 75,000 Btu per hour, circulating and instantaneous, or U.S. DOE 10 Code of Federal Regulations Part 431, Subpart G, §431.106 Uniform test method for the measurement of energy efficiency of commercial water heaters and hot water supply boilers (other than commercial heat pump water heaters), as it read on January 1, 2014.

iv. Prescribed efficiency standard or requirement: U.S. DOE 10 Code of Federal Regulations Part 431, Subpart G, §431.110 Energy conservation standards and their effective dates, as it read on January 1, 2014.

8.2. Water heater, gas-fired, instantaneous, with an input rating of 58.56 kW (200,000 Btu/h) or more:

i. Date of manufacture: July 1, 2023 or later.

ii. Testing standard: ANSI Z21.10.3-2017 / CSA 4.3-2017, Gas-fired water heaters, volume III, storage water heaters with input ratings above 75,000 Btu per hour, circulating and instantaneous, or U.S. DOE 10 Code of Federal Regulations Part 431, Subpart G, §431.106 Uniform test method for the measurement of energy efficiency of commercial water heaters and hot water supply boilers (other than commercial heat pump water heaters), as it read on the date the particular appliance or product is manufactured.

A. Has an input rating of 58.56 kW (200,000 Btu/h) or more.

B. Is designed to provide hot water at temperatures higher than 82°C.

C. Has a tank volume >7.6 L (2 US gallons).

iv. Prescribed efficiency standard or requirement:

A. If tank volume is ≤ 37.85 L (10 US gallons): Thermal efficiency ≥ 94 per cent.

B. If tank volume is > 37.85 L (10 US gallons): U.S. DOE 10 Code of Federal Regulations Part 431, Subpart G, §431.110 Energy conservation standards and their effective dates, as it read on the date the particular appliance or product is manufactured.

(7) Section 1 of Schedule 2 to the Regulation is amended by adding the following paragraphs:

17. Water heater, oil-fired, storage, with an input rate of more than 30.5 kW (105,000 Btu/h), to which paragraph 18 does not apply:

i. Date of manufacture: July 1, 2020 or later.

ii. Testing standard: U.S. DOE 10 Code of Federal Regulations Part 431, Appendix A to Subpart G, §431.106 Uniform test method for the measurement of energy efficiency of commercial water heating equipment, as it read on the date the particular appliance or product is manufactured.

iii. Scope of application: a stationary oil-fired water heater, designed to supply hot water, that has an input rate of more than 30.5 kW (105,000 Btu/h) and meets one or more of the following conditions:

A. Has an input rate more than 40.99 kW (140,000 Btu/h).

B. Has a storage tank of nominal volume more than 454 L (120 US gallons).

C. Does not use single-phase electrical power.

D. Permits water temperatures of 82°C (180°F) or higher.

iv. Prescribed efficiency standard or requirement: thermal efficiency ≥ 80% and standby loss in watts ≤ Q/0.8 + 16.57(V_s)^½, where Q is the nameplate input rate in kilowatts and V_s is the measured storage volume in litres (or, equivalently, standby loss in Btu/h ≤ Q/800 + 110(V_s)^½, where Q is the nameplate input rate in Btu/h and V_s is the measured storage volume in US gallons).

18. Water heater, oil-fired, storage, with an input rate of more than 30.5 kW (105,000 Btu/h) but not more than 40.99 kW (140,000 Btu/h) and with a tank volume of not more than 454 L (120 US gallons):

i. Date of manufacture: July 1, 2020 or later.

ii. Testing standard: U.S. DOE 10 Code of Federal Regulations, Appendix E to Subpart B of Part 430, Uniform Test Method for Measuring the Energy Consumption of Water Heaters, as it read on the date the particular appliance or product is manufactured.

iii. Scope of application: a stationary oil-fired water heater, designed to supply hot water, that has an input rate of more than 30.5 kW (105,000 Btu/h) but not more than 40.99 kW (140,000 Btu/h), has a storage tank with nominal volume not more than 454 L (120 US gallons), uses single-phase electrical power and limits water temperatures to less than 82°C (180°F).

iv. Prescribed efficiency standard or requirement: uniform energy factor (UEF) ≥ 0.6740 - 0.00035 V_s, where V_s is the measured volume of the water heater’s storage tank expressed in litres.

5. (1) Subparagraph 4 i of section 1 of Schedule 3 to the Regulation is amended by striking out “or later” at the end and substituting “to June 30, 2020 inclusive”.

(2) Section 1 of Schedule 3 to the Regulation is amended by adding the following paragraphs:

4.1. Furnace, gas-fired, with an input of less than 65.92 kW (225,000 Btu/h):

i. Date of manufacture: July 1, 2020 to December 31, 2023 inclusive.

ii. Testing standard:

A. For thermal efficiency: ANSI Z21.47-2016 / CSA 2.3-2016, Gas-Fired Central Furnaces.

B. For AFUE: CSA P.2-13, Testing method for measuring the annual fuel utilization efficiency of residential gas-fired or oil-fired furnaces and boilers.

C. For FER: subparagraph 35 ii of section 1 of this Schedule.

iii. Scope of application: a gas-fired central furnace, with an input of less than 65.92 kW (225,000 Btu/h).

iv. Prescribed efficiency standard or requirement:

A. For three-phase furnaces: AFUE ≥ 78 per cent, or thermal efficiency ≥ 80 per cent.

B. For single-phase furnaces: AFUE ≥ 95 per cent and FER as specified in subparagraph 35 iv of section 1 of this Schedule, with the following exceptions:

1. For single-phase furnaces in park model trailers and recreational vehicles, gas furnaces for relocatable buildings, and replacement non-condensing gas furnaces, AFUE ≥ 80 per cent and FER as specified in subparagraph 35 iv of section 1 of this Schedule.

2. For single-phase outdoor furnaces with an integrated cooling component, AFUE ≥ 81 per cent and FER as specified in subparagraph 35 iv of section 1 of this Schedule.

3. For through-the-wall furnaces with an integrated cooling component, AFUE ≥ 90 per cent and no FER requirement.

4.2. Furnace, gas-fired, with an input of less than 65.92 kW (225,000 Btu/h):

i. Date of manufacture: January 1, 2024 or later.

ii. Testing standard:

A. For thermal efficiency: ANSI Z21.47-2016 / CSA 2.3-2016, Gas-Fired Central Furnaces.

B. For AFUE: CSA P.2-13, Testing method for measuring the annual fuel utilization efficiency of residential gas-fired or oil-fired furnaces and boilers.

C. For FER: subparagraph 35 ii of section 1 of this Schedule.

iii. Scope of application: a gas-fired central furnace, with an input of less than 65.92 kW (225,000 Btu/h).

iv. Prescribed efficiency standard or requirement:

A. For three-phase furnaces: AFUE ≥ 78 per cent, or thermal efficiency ≥ 80 per cent.

B. For single-phase furnaces: AFUE ≥ 95 per cent and FER as specified in subparagraph 35 iv of section 1 of this Schedule, with the following exceptions:

1. For furnaces in park model trailers and recreational vehicles, gas furnaces for relocatable buildings, and replacement non-condensing gas furnaces, AFUE ≥ 80 per cent and FER as specified in subparagraph 35 iv of section 1 of this Schedule.

2. For outdoor furnaces with an integrated cooling component, AFUE ≥ 81 per cent and FER as specified in subparagraph 35 iv of section 1 of this Schedule.

3. For through-the-wall furnaces with an integrated cooling component, AFUE ≥ 90 per cent and FER as specified in subparagraph 35 iv of section 1 of this Schedule.

(3) Subparagraph 6 ii of section 1 of Schedule 3 to the Regulation is amended by striking out “ANSI Z21.47-2012 / CSA 2.3-2012” and substituting “ANSI Z21.47-2016 / CSA 2.3-2016”.

(4) Sub-subparagraph 6 iv A of section 1 of Schedule 3 to the Regulation is revoked and the following substituted:

A. for central furnaces for installation in a park model trailer or recreational vehicle: thermal efficiency ≥ 75 per cent and no continuously burning pilot light unless the furnace has an AFUE ≥ 76 per cent when tested in accordance with CSA P.2-13, Testing method for measuring the annual fuel utilization efficiency of residential gas-fired or oil-fired furnaces and boilers, and

(5) Subparagraph 10 ii of section 1 of Schedule 3 to the Regulation is revoked and the following substituted:

ii. Testing standard: CSA P.2-13, Testing method for measuring the annual fuel utilization efficiency of residential gas-fired or oil-fired furnaces and boilers, or U.S. DOE 10 Code of Federal Regulations Part 430, Subpart B, §430.23 (n) Furnaces, as it read on the date the particular appliance or product is manufactured.

(6) Subparagraph 10 iv of section 1 of Schedule 3 to the Regulation is amended by striking out the portion before sub-subparagraph A and substituting the following:

iv. Prescribed efficiency standard or requirement: FER as specified in subparagraph 35 iv of section 1 of this Schedule, and

(7) Subparagraph 11 iii of section 1 of Schedule 3 to the Regulation is amended by striking out “January 1, 2014” at the end and substituting “the date the particular appliance or product is manufactured”.

(8) Subparagraph 11 iv of section 1 of Schedule 3 to the Regulation is amended by adding “and FER as specified in subparagraph 35 iv of section 1 of this Schedule” at the end.

(9) Subparagraph 14 i of section 1 of Schedule 3 to the Regulation is amended by striking out “or later” at the end and substituting “to June 30, 2023 inclusive”.

(10) Section 1 of Schedule 3 to the Regulation is amended by adding the following paragraph:

14.1 Boiler, gas-fired, with an input of less than 88 kW (300,000 Btu/h):

i. Date of manufacture: July 1, 2023 or later.

ii. Testing standard: US DOE 10 Code of Federal Regulations, Part 430, Subpart B, §430.23 (n) Furnaces, as it read on the date the particular appliance or product is manufactured.

iii. Scope of application: a gas-heated boiler that is intended for application in a low-pressure steam or hot water central heating system and that has an input rate of less than 88 kW (300,000 Btu/h).

iv. Prescribed efficiency standard or requirement: no standing pilot, and,

A. for hot water,

1. AFUE ≥ 90 per cent,

2. systems not equipped with tankless domestic water heating coils must be equipped with an “automatic water temperature adjustment device” and must not be operable without the device, and

3. maximum standby and off mode power consumption ≤ 9 watts;

B. for steam,

1. AFUE ≥ 82 per cent, and

2. maximum standby and off mode power consumption ≤ 8 watts.

(11) Subparagraph 16 i of section 1 of Schedule 3 to the Regulation is amended by striking out “or later” at the end and substituting “to December 31, 2024 inclusive”.

(12) Section 1 of Schedule 3 to the Regulation is amended by adding the following paragraph:

16.1. Boiler, gas-fired, with an input of at least 88 kW (300,000 Btu/h) but not more than 732 kW (2,500,000 Btu/h):

i. Date of manufacture: January 1, 2025 or later.

ii. Testing standard: U.S. DOE 10 Code of Federal Regulations, Appendix A to Subpart E of Part 431 — Uniform Test Method for the Measurement of Thermal Efficiency and Combustion Efficiency of Commercial Packaged Boilers, as it read on the date the particular appliance or product is manufactured.

iii. Scope of application: a gas-heated boiler that uses exclusively propane or natural gas, is intended for application in a low-pressure steam, or hot water, central heating system and has an input rate of at least 88 kW (300,000 Btu/h) but not more than 732 kW (2,500,000 Btu/h).

iv. Prescribed efficiency standard or requirement: no standing pilot, and,

A. for hot water: thermal efficiency ≥ 90 per cent, and

B. for steam, thermal efficiency ≥ 81 per cent.

(13) Subparagraph 18 i of section 1 of Schedule 3 to the Regulation is amended by striking out “or later” at the end and substituting “to December 31, 2024 inclusive”.

(14) Section 1 of Schedule 3 to the Regulation is amended by adding the following paragraph:

18.1. Boiler, gas-fired, with an input of greater than 732 kW (2,500,000 Btu/h) but not more than 2,930 kW (10,000,000 Btu/h):

i. Date of manufacture: January 1, 2025 or later.

iii. Scope of application: a boiler that uses exclusively propane or natural gas, is intended for application in a low-pressure steam, or hot water, central heating system and has an input rate of greater than 732 kW (2,500,000 Btu/h) but not more than 2,930 kW (10,000,000 Btu/h).

iv. Prescribed efficiency standard or requirement: no standing pilot, and,

A. for hot water: combustion efficiency ≥ 90 per cent, and

B. for steam, thermal efficiency ≥ 82 per cent.

(15) Subparagraph 21 i of section 1 of Schedule 3 to the Regulation is amended by striking out “or later” at the end and substituting “to December 31, 2024 inclusive”.

(16) Section 1 of Schedule 3 to the Regulation is amended by adding the following paragraphs:

21.1 Boiler, oil-fired, with an input of less than 88 kW (300,000 Btu/h):

i. Date of manufacture: January 1, 2025 or later.

ii. Testing standard: US DOE 10 Code of Federal Regulations, Part 430, Subpart B, §430.23 (n) Furnaces, as it read on the date the particular appliance or product is manufactured.

iii. Scope of application: a boiler that is intended for application in a low-pressure steam, or hot water, central heating system, has an input rate of less than 88 kW (300,000 Btu/h) and that is either exclusively oil-fired, or capable of being fired, at the choice of the user, by either oil or another fuel. For greater certainty, this includes boilers equipped with tankless domestic water heating coils.

iv. Prescribed efficiency standard or requirement: Maximum standby and off mode power consumption less than or equal to 11 watts, and

A. for hot water: AFUE ≥ 86 per cent, and systems not equipped with tankless domestic water heating coils must be equipped with an automatic water temperature adjustment device, and

B. for steam: AFUE ≥ 85 per cent.

. . . . .

22.1 Boiler, oil-fired, with an input of at least 88 kW (300,000 Btu/h) but not more than 732 kW (2,500,000 Btu/h):

i. Date of manufacture: January 1, 2025 or later.

iii. Scope of application: an oil-fired boiler that is intended for application in a low-pressure steam, or hot water, central heating system with an input rate of at least 88 kW (300,000 Btu/h) but not more than 732 kW (2,500,000 Btu/h).

iv. Prescribed efficiency standard or requirement: for hot water, thermal efficiency ≥ 87 per cent; and for steam, thermal efficiency ≥ 84 per cent.

(17) Subparagraph 22 i of section 1 of Schedule 3 to the Regulation is amended by striking out “or later” at the end and substituting “to December 31, 2024 inclusive”.

(18) Subparagraph 23 i of section 1 of Schedule 3 to the Regulation is amended by striking out “or later” at the end and substituting “to December 31, 2024 inclusive”.

(19) Section 1 of Schedule 3 to the Regulation is amended by adding the following paragraph:

23.1. Boiler, oil-fired, with an input of more than 732 kW (2,500,000 Btu/h) but not more than 2,930 kW (10,000,000 Btu/h):

i. Date of manufacture: January 1, 2025 or later.

iii. Scope of application: an oil-fired boiler that is intended for application in a low-pressure steam, or hot water, central heating system with an input rate of more than 732 kW (2,500,000 Btu/h) but not more than 2,930 kW (10,000,000 Btu/h).

iv. Prescribed efficiency standard or requirement: for hot water, combustion efficiency ≥ 88 per cent; and for steam, thermal efficiency ≥ 85 per cent.

(20) Paragraph 28 of section 1 of Schedule 3 to the Regulation is amended by striking out “(including fireplace heaters and fireplace inserts)” in the portion before subparagraph i.

(21) Subparagraph 28 iv of section 1 of Schedule 3 to the Regulation is amended by adding “and for a fireplace certified to ANSI Z21.88/CSA 2.33, Vented gas fireplace heaters, fireplace efficiency ≥ 50 per cent” at the end.

(22) Section 2 of Schedule 3 to the Regulation is amended by adding the following definitions:

“gas furnace for relocatable buildings” means a gas furnace that is intended for use in a temporary modular building that can be relocated from one site to another and is marked for use in relocatable buildings;

“manufactured home” means a factory-built, single- or multiple-section, one-storey dwelling that,

(a) is designed and constructed for year-round occupancy,

(b) is designed to be transported to its installation site, and

. . . . .

“replacement non-condensing gas furnace” means a non-condensing gas furnace that is marked for use as a replacement for a non-condensing gas furnace in a manufactured home.

6. The definition of “large condensing unit” in section 2 of Schedule 4 to the Regulation is revoked and the following substituted:

“large condensing unit” means a commercial or industrial condensing unit intended for air-conditioning applications with a cooling capacity of at least 19 kW (65,000 Btu/h) but no greater than 70 kW (240,000 Btu/h);

7. Paragraph 25 ii of section 1 of Schedule 5 to the Regulation is revoked and the following substituted:

ii. Testing standard: CAN/CSA C653-18, Photometric Performance of Roadway Lighting Luminaires. For luminaires manufactured on or before December 31, 2021, CAN/CSA C653-13, Photometric Performance of Roadway Lighting Luminaires, may be used instead.

8. Subparagraphs 2 ii and iii of section 1 of Schedule 7 to the Regulation are revoked and the following substituted:

ii. Testing standard: CSA C828-19, Performance Requirements for Thermostats Used with Individual Room Electric Space Heating Devices. For thermostats manufactured on or before December 31, 2021, C828-13, Performance Requirements for Thermostats Used with Individual Room Electric Space Heating Devices, may be used instead.

iii. Scope of application: the same scope as CSA C828-19.

9. (1) Subparagraph 1 i of section 1 of Schedule 8 to the Regulation is amended by striking out “or later” at the end and substituting “to December 31, 2021 inclusive”.

(2) Section 1 of Schedule 8 to the Regulation is amended by adding the following paragraph:

1.1. Window, intended for low-rise residential building:

i. Date of manufacture: January 1, 2022 or later.

ii. Testing standard: One of the following:

A. CAN/CSA A440.2:19/A440.3:19, Fenestration energy performance.

B. NFRC 100-2017 Procedure for Determining Fenestration Product U-Factors or for determining the energy rating, NFRC 200-2017 Procedure for Determining Fenestration Product Solar Heat Gain Coefficient and Visible Transmittance at Normal Incidence.

iii. Scope of application: a window that separates heated space from unheated space or from the exterior air and that is to be installed in a building that is partially or entirely used for residential occupancy, has a building area not exceeding 600 square metres and has a building height of three storeys or less. However, the following windows are excluded:

A. Decorative windows that have stained glass panels, iron inserts or blinds contained in a sealed insulating glass unit.

B. Heritage replacement windows intended to be installed in a heritage building.

C. Glazing replacements in an existing sash or frame, if the U-factor of the replacement glazing is equal to or less than the U-factor of the original glazing.

D. Decorative sidelights for doors.

E. Windows that are designed for a specific building.

F. Windows that fall outside the scope of the certification programs of the designated organizations described in subsections 9 (2) and (3) of this Regulation.

iv. Prescribed efficiency standard or requirement:

A. For basement windows that incorporate a loadbearing structural frame, double-glazed with a low-E coating.

B. For all other windows, U-factor ≤ 1.61 W/(m²C) or an energy rating ≥ 25.

Commencement

10. This Regulation comes into force on the later of July 1, 2020 and the day it is filed.

O. Reg. 334/20: ENERGY AND WATER EFFICIENCY - APPLIANCES AND PRODUCTS

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