Insulation Requirements

Current code: BC has adopted the 2024 editions of the British Columbia Building Code, including Book II Plumbing Systems, and Fire Code (BC Codes 2024) which came into effect March 8, 2024. As of May 1, 2023 the prescriptive values for EE in the BCBC increased, targeting an improvement of 20%.

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Climate Zone 4: <3000 HDD	Climate Zone 5: 3000 – 3999 HDD	Climate Zone 6: 4000 – 4999 HDD	Climate Zone 7A: 5000 – 5999 HDD	Climate Zone 7B: 6000 – 6999 HDD	Climate Zone 8: >7000 HDD
Abbotsford	Alberni	Carmi	100 Mile House	Beatton River	Smith River
Agassiz	Ashcroft	Cranbrook	Burns Lake	Dease Lake
Burnaby	Bamfield	Dog Creek	Chetwynd	Fort Nelson
Chilliwack	Bella Bella	Elko	Dawson Creek
Crofton	Bella Coola	Fernie	Fort St. John
Duncan	Burnaby – SFU	Golden	Glacier
Delta	Cache Creek	Greenwood	Mackenzie
Maple Ridge	Campbell River	Kimberly	McLeod Lake
Jordan River	Castlegar	McBride	Smithers
Langford	Comox	Prince George	Taylor
Langley	Courtenay	Princeton
Mission	Crescent Valley	Quesnel
New Westminster	Gold River	Revelstoke
North Vancouver	Grand Forks	Stewart
Port Renfrew	Hope	Terrace
Richmond	Kamloops	Whistler
Sechelt	Kaslo	Williams Lake
Sidney	Kelowna
Sooke	Kitimat – Plant
Squamish	Kitimat – Townsite
Surrey	Ladysmith
Vancouver	Lillooet
Victoria	Lytton
West Vancouver	Masset
White Rock	Merritt
	Montrose
	Nakusp
	Nanaimo
	Nelson
	Ocean Falls
	Osoyoos
	Parksville
	Penticton
	Port Alberni
	Port Alice
	Port Hardy
	Port McNeill
	Powell River
	Prince Rupert
	Qualicum Beach
	Queen Charlotte City
	Salmon Arm
	Sandspit
	Tahsis
	Tofino
	Trail
	Ucluelet
	Vernon
	Youbou

This information is from Appendix C: Table C-2 Design Data for Selected Locations in Canada and from BetterHomesBC.ca.

Current code: Effective January 1, 2024, Manitoba adopted and enforced the 2020 editions of the National Model Building, Plumbing, Energy, and Fire codes with some Manitobaspecific amendments.
Current Tier: Tier 1 for building and energy codes for residential and commercial

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City or Town	HDD 18	Climate Zone
Beausejour	5680	7A
Boissevain	5500	7A
Brandon	5760	7A
Churchill	8950	8
Dauphin	5900	7A
Flin Flon	6440	7B
Gimli	5800	7A
Island Lake	6900	7B
Lac du Bonnet	5730	7A
Lynn Lake	7770	8
Morden	5400	7A
Neepawa	5760	7A
Pine Falls	5900	7A
Portage la Prairie	5600	7A
Rivers	5840	7A
Sandilands	5650	7A
Selkirk	5700	7A
Split Lake	7900	8
Steinbach	5700	7A
Swan River	6100	7B
The Pas	6480	7B
Thompson	7600	8
Virden	5620	7A
Winnipeg	5670	7A

Current code: New Brunswick enforces the 2015 National Building Code. The current energy code in force is Section 9.36 of the NBC and the non-housing code for energy efficiency is the 2011 NECB. Some renovations (i.e. updating windows or kitchen cupboards) will require the insulation in that section to be upgraded to Code. This is up to the discretion of the jurisdiction’s building official.

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City or Town	HDD 18	Climate Zone
Alma	4500	6
Bathurst	5020	7A
Campbellton	5500	7A
Edmundston	5320	7A
Fredericton	4670	6
Gagetown	4460	6
Grand Falls	5300	7A
Miramichi	4950	6
Moncton	4680	6
Oromocto	4650	6
Sackville	4590	6
Saint Andrews	4680	6
Saint George	4680	6
Saint John	4570	6
Shippagan	4930	6
St. Stephen	4700	6
Woodstock	4910	6

Current code: Newfoundland and Labrador formerly allowed each municipality to govern building construction on their own, but they adopted the 2015 NBC (including Section 9.36 Energy Efficiency) on January 18, 2019 and enforcement began Feb 28, 2019. It’s noted that Section 9.36 of the 2015 NBC is for new construction of single-family homes & those with subsidiary apartments. There is no current energy code for MURBs. There are currently no non-housing codes for energy efficiency. 

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City or Town	HDD 18	Climate Zone
Argentia	4600	6
Bonavista	5000	7A
Buchans	5250	7A
Cape Harrison	6900	7B
Cape Race	4900	6
Channel-Port aux Basques	5000	7A
Corner Brook	4760	6
Gander	5110	7A
Grand Bank	4550	6
Grand Falls	5020	7A
Happy Valley-Goose Bay	6670	7B
Labrador City	7710	8
St. Anthony	6440	7B
St. John’s	4800	6
Stephenville	4850	6
Twin Falls	7790	8
Wabana	4750	6
Wabush	7710	8

Current code: The Northwest Territories have adopted the NBC 2015. On May 30th, 2022 the City of Yellowknife adopted the 2020 model codes (NBC and NECB) via by-law, which includes section 9.36 concerning energy efficiency in houses and small buildings. NWT have not adopted NECB or implemented criteria for energy efficiency in large buildings.

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City or Town	HDD 18	Climate Zone
Aklavik	9600	8
Echo Bay / Port Radium	9300	8
Fort Good Hope	8700	8
Fort McPherson	9150	8
Fort Providence	7620	8
Fort Resolution	7750	8
Fort Simpson	7660	8
Fort Smith	7300	8
Hay River	7550	8
Holman/Ulukhaqtuuq	10700	8
Inuvik	9600	8
Mould Bay	12900	8
Norman Wells	8510	8
Rae-Edzo	8300	8
Tungsten	7700	8
Wrigley	8050	8
Yellowknife	8170	8

Current code: Nova Scotia is preparing to adopt the 2020 National Building Codes starting April 1, 2025. These codes include the 2020 NBC and the 2020 NECB.

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City or Town	HDD 18	Climate Zone
Amherst	4500	6
Antigonish	4510	6
Bridgewater	4140	6
Canso	4400	6
Debert	4500	6
Digby	4020	6
Greenwood (CFB)	4140	6
Halifax	4000	6
Halifax – Dartmouth	4100	6
Kentville	4130	6
Liverpool	3990	5
Lockeport	4000	6
Louisburg	4530	6
Lunenburg	4140	6
New Glasgow	4320	6
North Sydney	4500	6
Pictou	4310	6
Port Hawkesbury	4500	6
Springhill	4540	6
Stewiacke	4400	6
Sydney	4530	6
Tatamagouche	4380	6
Truro	4500	6
Wolfville	4140	6
Yarmouth	3990	5

Current code: Nunavut adopted the 2015 NBC through regulation R-009-2018 made under the Building Code Act. The code was adopted on March 29, 2018 and in force Sept 1, 2018. This includes section 9.36 related to energy efficiency in homes and small buildings.

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City or Town	HDD 18	Climate Zone
Alert	13030	8
Arctic Bay	11900	8
Arviat / Eskimo Point	9850	8
Baker Lake	10700	8
Cambridge Bay/Iqaluktuuttiaq	11670	8
Chesterfield Inlet/Igluligaarjuk	10500	8
Clyde River/Kanngiqtugaapik	11300	8
Coppermine (Kugluktuk)	10300	8
Coral Harbour /Salliq	10720	8
Eureka	13500	8
Iqaluit	9980	8
Isachsen	13600	8
Nottingham Island	10000	8
Rankin Inlet (Kangiqiniq)	10500	8
Resolute	12360	8
Resolution Island	9000	8

 

Current code: The 2024 Ontario Building Code comes into effect on January 1, 2025, with a 3 month transition period that extends until March 31, 2025. Ontario has adopted and amended the National Building Code of Canada 2020. Supplementary Standards SB-10 and SB-12 currently remain in place.

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City or Town	HDD 18	Ontario Climate Zone
Ailsa Craig	3840	Less than 5000
Ajax	3820	Less than 5000
Alexandria	4600	Less than 5000
Alliston	4200	Less than 5000
Almonte	4620	Less than 5000
Armstrong	6500	More than 5000
Arnprior	4680	Less than 5000
Atikokan	5750	More than 5000
Attawapiskat	7100	More than 5000
Aurora	4210	Less than 5000
Bancroft	4740	Less than 5000
Barrie	4380	Less than 5000
Barriefield	3990	Less than 5000
Beaverton	4300	Less than 5000
Belleville	3910	Less than 5000
Belmont	3840	Less than 5000
Big Trout Lake (Kitchenuhmay-koosib)	7450	More than 5000
Bracebridge	4800	Less than 5000
Bradford	4280	Less than 5000
Brampton	4100	Less than 5000
Brantford	3900	Less than 5000
Brighton	4000	Less than 5000
Brockville	4060	Less than 5000
Burk’s Falls	5020	More than 5000
Burlington	3740	Less than 5000
Cambridge	4100	Less than 5000
Campbellford	4280	Less than 5000
Cannington	4310	Less than 5000
Carleton Place	4600	Less than 5000
Cavan	4400	Less than 5000
Centralia	3800	Less than 5000
CFB Borden	4300	Less than 5000
Chapleau	5900	More than 5000
Chatham	3470	Less than 5000
Chesley	4320	Less than 5000
Clinton	4150	Less than 5000
Coboconk	4500	Less than 5000
Cobourg	3980	Less than 5000
Cochrane	6200	More than 5000
Colborne	3980	Less than 5000
Collingwood	4180	Less than 5000
Cornwall	4250	Less than 5000
Corunna	3600	Less than 5000
Deep River	4900	Less than 5000
Deseronto	4070	Less than 5000
Dorchester	3900	Less than 5000
Dorion	5950	More than 5000
Dresden	3750	Less than 5000
Dryden	5850	More than 5000
Dundalk	4700	Less than 5000
Dunnville	3660	Less than 5000
Durham	4340	Less than 5000
Dutton	3700	Less than 5000
Earlton	5730	More than 5000
Edison	5740	More than 5000
Elliot Lake	4950	Less than 5000
Elmvale	4200	Less than 5000
Embro	3950	Less than 5000
Englehart	5800	More than 5000
Exeter	3900	Less than 5000
Fenelon Falls	4440	Less than 5000
Fergus	4300	Less than 5000
Forest	3740	Less than 5000
Fort Erie	3650	Less than 5000
Fort Erie – Ridgeway	3600	Less than 5000
Fort Frances	5440	More than 5000
Gananoque	4010	Less than 5000
Geraldton	6450	More than 5000
Glencoe	3680	Less than 5000
Goderich	4000	Less than 5000
Gore Bay	4700	Less than 5000
Graham	5940	More than 5000
Gravenhurst – Muskoka Airport	4760	Less than 5000
Grimsby	3520	Less than 5000
Guelph	4270	Less than 5000
Guthrie	4300	Less than 5000
Haileybury	5600	More than 5000
Haldimand – Caledonia	3750	Less than 5000
Haldimand – Hagersville	3760	Less than 5000
Haliburton	4840	Less than 5000
Halton Hills – Georgetown	4200	Less than 5000
Hamilton	3460	Less than 5000
Hanover	4300	Less than 5000
Hastings	4280	Less than 5000
Hawkesbury	4610	Less than 5000
Hearst	6450	Less than 5000
Honey Harbour	4300	Less than 5000
Hornepayne	6340	More than 5000
Huntsville	4850	Less than 5000
Ingersoll	3920	Less than 5000
Iroquois Falls	6100	More than 5000
Jellicoe	6400	More than 5000
Kapuskasing	6250	More than 5000
Kemptville	4540	Less than 5000
Kenora	5630	More than 5000
Killaloe	4960	Less than 5000
Kincardine	3890	Less than 5000
Kingston	4000	Less than 5000
Kinmount	4600	Less than 5000
Kirkland Lake	6000	More than 5000
Kitchener	4200	Less than 5000
Lakefield	4330	Less than 5000
Lansdowne House	7150	More than 5000
Leamington	3400	Less than 5000
Lindsay	4320	Less than 5000
Lion’s Head	4300	Less than 5000
Listowel	4300	Less than 5000
London	3900	Less than 5000
Lucan	3900	Less than 5000
Maitland	4080	Less than 5000
Markdale	4500	Less than 5000
Markham	4000	Less than 5000
Martin	5900	More than 5000
Matheson	6080	More than 5000
Mattawa	5050	More than 5000
Midland	4200	Less than 5000
Milton	3920	Less than 5000
Milverton	4200	Less than 5000
Minden	4640	Less than 5000
Mississauga	3880	Less than 5000
Mississauga – Lester B. Pearson Int’l Airport	3890	Less than 5000
Mississauga – Port Credit	3780	Less than 5000
Mitchell	4100	Less than 5000
Moosonee	6800	More than 5000
Morrisburg	4370	Less than 5000
Mount Forest	4700	Less than 5000
Nakina	6500	More than 5000
Nanticoke – Jarvis	3700	Less than 5000
Nanticoke – Port Dover	3600	Less than 5000
Napanee	4140	Less than 5000
New Liskeard	5570	More than 5000
Newcastle	3990	Less than 5000
Newcastle – Bowmanville	4000	Less than 5000
Newmarket	4260	Less than 5000
Niagara Falls	3600	Less than 5000
North Bay	5150	More than 5000
Norwood	4320	Less than 5000
Oakville	3760	Less than 5000
Orangeville	4450	Less than 5000
Orillia	4260	Less than 5000
Oshawa	3860	Less than 5000
Ottawa – Barrhaven	4500	Less than 5000
Ottawa – City Hall	4440	Less than 5000
Ottawa – Kanata	4520	Less than 5000
Ottawa – M-C Int’l Airport	4500	Less than 5000
Ottawa – Orleans	4500	Less than 5000
Owen Sound	4030	More than 5000
Pagwa River	6500	More than 5000
Paris	4000	Less than 5000
Parkhill	3800	Less than 5000
Parry Sound	4640	Less than 5000
Pelham – Fonthill	3690	Less than 5000
Pembroke	4980	Less than 5000
Penetanguishene	4200	Less than 5000
Perth	4540	Less than 5000
Petawawa	4980	Less than 5000
Peterborough	4400	Less than 5000
Petrolia	3640	Less than 5000
Pickering – Dunbarton	3800	Less than 5000
Picton	3980	Less than 5000
Plattsville	4150	Less than 5000
Point Alexander	4960	Less than 5000
Port Burwell	3800	Less than 5000
Port Colborne	3600	Less than 5000
Port Elgin	4100	Less than 5000
Port Hope	3970	Less than 5000
Port Perry	4260	Less than 5000
Port Stanley	3850	Less than 5000
Prescott	4120	Less than 5000
Princeton	4000	Less than 5000
Raith	5900	More than 5000
Red Lake	6220	More than 5000
Renfrew	4900	Less than 5000
Richmond Hill	4000	Less than 5000
Rockland	4600	Less than 5000
Sarnia	3750	Less than 5000
Sault Ste. Marie	4960	Less than 5000
Schreiber	5960	More than 5000
Seaforth	4100	Less than 5000
Shelburne	4700	Less than 5000
Simcoe	3700	Less than 5000
Sioux Lookout	5950	More than 5000
Smiths Falls	4540	Less than 5000
Smithville	3650	Less than 5000
Smooth Rock Falls	6250	More than 5000
South River	5090	More than 5000
Southampton	4100	Less than 5000
St. Catharines	3540	Less than 5000
St. Mary’s	4000	Less than 5000
St. Thomas	3780	Less than 5000
Stirling	4220	Less than 5000
Stratford	4050	Less than 5000
Strathroy	3780	Less than 5000
Sturgeon Falls	5200	More than 5000
Sudbury	5180	More than 5000
Sudbury – Espanola	4920	More than 5000
Sudbury – Rayside-Balfour, Chelmsford	5200	More than 5000
Sundridge	5080	More than 5000
Tavistock	4100	Less than 5000
Temagami	5420	More than 5000
Thamesford	3950	Less than 5000
Thedford	3710	Less than 5000
Thunder Bay	5650	More than 5000
Tillsonburg	3840	Less than 5000
Timmins	5940	More than 5000
Timmins – Porcupine	6000	More than 5000
Toronto – City Hall	3520	Less than 5000
Toronto – Etobicoke	3800	Less than 5000
Toronto – North York	3760	Less than 5000
Toronto – Scarborough	3800	Less than 5000
Trenton	4110	Less than 5000
Trout Creek	5100	More than 5000
Uxbridge	4240	Less than 5000
Vaughan (Woodbridge)	4100	Less than 5000
Vittoria	3680	Less than 5000
Walkerton	4300	Less than 5000
Wallaceburg	3600	Less than 5000
Waterloo	4200	Less than 5000
Watford	3740	Less than 5000
Wawa	5840	More than 5000
Welland	3670	Less than 5000
West Lorne	3700	Less than 5000
Whitby	3820	Less than 5000
Whitby (Brooklin)	4010	Less than 5000
White River	6150	More than 5000
Wiarton	4300	Less than 5000
Windsor	3400	Less than 5000
Wingham	4220	Less than 5000
Woodstock	3910	Less than 5000
Wyoming	3700	Less than 5000

Current code: PEI has adopted the 2020 national model codes (NBC and NECB) which took effect on March 31, 2024.
Current Tier: Tier 1

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City or Town	HDD 18	Climate Zone
Charlottetown	4460	6
Souris	4550	6
Summerside	4600	6
Tignish	4770	6

Current code: The new version Québec Construction Code, Building chapter (NBC 2015 amended Québec) of the Régie du bâtiment du Québec, went into effect Jan 8, 2022, consists of the NBC of Canada 2015, with amendments for Québec. Chapter I.1 – Energy efficiency of buildings of the Régie du bâtiment du Québec has been in force since June 27, 2020. Chapter I.1 – Energy efficiency of buildings went in force June 27, 2020. Consisting of the NECB and amended for Québec, this chapter regulates the energy efficiency of large residential buildings, institutional, commercial and industrial buildings.

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City or Town	HDD18	Climate Zone
Acton-Vale	4620	Less Than 6000 HDD
Alma	5800	Less Than 6000 HDD
Amos	6160	At Least 6000 HDD
Asbestos	4800	Less Than 6000 HDD
Aylmer	4520	Less Than 6000 HDD
Baie-Comeau	6020	At Least 6000 HDD
Baie-Saint-Paul	5280	Less Than 6000 HDD
Montreal – Beaconsfield	4440	Less Than 6000 HDD
Beauport	5100	Less Than 6000 HDD
Bedford	4420	Less Than 6000 HDD
Beloeil	4500	Less Than 6000 HDD
Brome	4730	Less Than 6000 HDD
Brossard	4420	Less Than 6000 HDD
Buckingham	4880	Less Than 6000 HDD
Campbell’s Bay	4900	Less Than 6000 HDD
Chambly	4450	Less Than 6000 HDD
Coaticook	4750	Less Than 6000 HDD
Contrecoeur	4500	Less Than 6000 HDD
Cowansville	4540	Less Than 6000 HDD
Deux-Montagnes	4440	Less Than 6000 HDD
Dolbeau	6250	At Least 6000 HDD
Drummondville	4700	Less Than 6000 HDD
Farnham	4500	Less Than 6000 HDD
Fort-Coulonge	4950	Less Than 6000 HDD
Gagnon	7600	At Least 6000 HDD
Gaspé	5500	Less Than 6000 HDD
Gatineau	4600	Less Than 6000 HDD
Gracefield	5080	Less Than 6000 HDD
Granby	4500	Less Than 6000 HDD
Harrington-Harbour	6150	At Least 6000 HDD
Havre-St-Pierre	6100	At Least 6000 HDD
Hemmingford	4380	Less Than 6000 HDD
Hull	4550	Less Than 6000 HDD
Iberville	4450	Less Than 6000 HDD
Inukjuak	9150	At Least 6000 HDD
Joliette	4720	Less Than 6000 HDD
Kuujjuaq	8550	At Least 6000 HDD
Kuujjuarapik	7990	At Least 6000 HDD
La Pocatière	5160	Less Than 6000 HDD
Lachute	4640	Less Than 6000 HDD
Lac-Mégantic	5180	Less Than 6000 HDD
La-Malbaie	5400	Less Than 6000 HDD
La-Tuque	5500	Less Than 6000 HDD
Lennoxville	4700	Less Than 6000 HDD
Léry	4420	Less Than 6000 HDD
Loretteville	5200	Less Than 6000 HDD
Louiseville	4900	Less Than 6000 HDD
Magog	4730	Less Than 6000 HDD
Malartic	6200	At Least 6000 HDD
Maniwaki	5280	Less Than 6000 HDD
Masson	4610	Less Than 6000 HDD
Matane	5510	Less Than 6000 HDD
Mont-Joli	5370	Less Than 6000 HDD
Mont-Laurier	5320	Less Than 6000 HDD
Montmagny	5090	Less Than 6000 HDD
Montréal – City Hall	4200	Less Than 6000 HDD
Montreal – Dorval	4400	Less Than 6000 HDD
Montreal – Laval	4500	Less Than 6000 HDD
Montreal – Outremont	4300	Less Than 6000 HDD
Montreal – Pierrefonds	4430	Less Than 6000 HDD
Montreal – St-Lambert	4400	Less Than 6000 HDD
Montreal – St-Laurent	4270	Less Than 6000 HDD
Montreal – Ste-Anne-de-Bellevue	4460	Less Than 6000 HDD
Montreal – Verdun	4200	Less Than 6000 HDD
Montréal-Est	4470	Less Than 6000 HDD
Montréal-Nord	4470	Less Than 6000 HDD
Nicolet (Gentilly)	4900	Less Than 6000 HDD
Nitchequon	8100	At Least 6000 HDD
Noranda	6050	At Least 6000 HDD
Percé	5400	Less Than 6000 HDD
Pincourt	4480	Less Than 6000 HDD
Plessisville	5100	Less Than 6000 HDD
Port-Cartier	6060	At Least 6000 HDD
Puvirnituq	9200	At Least 6000 HDD
Québec City	5080	Less Than 6000 HDD
Quebec City – Ancienne-Lorette	5130	Less Than 6000 HDD
Quebec City – Lévis	5050	Less Than 6000 HDD
Quebec City – Sillery	5070	Less Than 6000 HDD
Quebec City – Ste-Foy	5100	Less Than 6000 HDD
Richmond	4700	Less Than 6000 HDD
Rimouski	5300	Less Than 6000 HDD
Rivière-du-Loup	5380	Less Than 6000 HDD
Roberval	5750	Less Than 6000 HDD
Rock-Island	4850	Less Than 6000 HDD
Rosemère	4550	Less Than 6000 HDD
Rouyn	6050	At Least 6000 HDD
Saguenay	5700	Less Than 6000 HDD
Saguenay – Bagotville	5700	Less Than 6000 HDD
Saguenay – Jonquière	5650	Less Than 6000 HDD
Saguenay – Kenogami	5650	Less Than 6000 HDD
Saint-Eustache	4500	Less Than 6000 HDD
Saint-Hubert-de-Rivière-du-Loup	5520	Less Than 6000 HDD
Saint-Jean-sur-Richelieu	4450	Less Than 6000 HDD
Salaberry-de-Valleyfield	4400	Less Than 6000 HDD
Schefferville	8550	At Least 6000 HDD
Senneterre	6180	At Least 6000 HDD
Sept-Îles	6200	At Least 6000 HDD
Shawinigan	5050	Less Than 6000 HDD
Shawville	4880	Less Than 6000 HDD
Sherbrooke	4700	Less Than 6000 HDD
Sorel	4550	Less Than 6000 HDD
Ste-Agathe-des-Monts	5390	Less Than 6000 HDD
St-Félicien	5850	Less Than 6000 HDD
St-Georges-de-Cacouna	5400	Less Than 6000 HDD
St-Hubert	4490	Less Than 6000 HDD
St-Hyacinthe	4500	Less Than 6000 HDD
St-Jérôme	4820	Less Than 6000 HDD
St-Jovite	5250	Less Than 6000 HDD
St-Lazare-Hudson	4520	Less Than 6000 HDD
St-Nicolas	4990	Less Than 6000 HDD
Sutton	4600	Less Than 6000 HDD
Tadoussac	5450	Less Than 6000 HDD
Témiscaming	5020	Less Than 6000 HDD
Terrebonne	4500	Less Than 6000 HDD
Thetford Mines	5120	Less Than 6000 HDD
Thurso	4820	Less Than 6000 HDD
Trois-Rivières	4900	Less Than 6000 HDD
Val-d’Or	6180	At Least 6000 HDD
Varennes	4500	Less Than 6000 HDD
Verchères	4450	Less Than 6000 HDD
Victoriaville	4900	Less Than 6000 HDD
Ville-Marie	5550	Less Than 6000 HDD
Wakefield	4820	Less Than 6000 HDD
Waterloo	4650	Less Than 6000 HDD
Windsor	4700	Less Than 6000 HDD

Current code: Saskatchewan has adopted the 2020 editions of the NBC, the NECB, and the National Plumbing Code, which came into force on January 1, 2024.
Current Tier: Tier 1 targeting larger buildings and Tier 2 for smaller ones, including residential houses.

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City or Town	HDD 18	Climate Zone
Assiniboia	5180	7A
Battrum	5080	7A
Biggar	5720	7A
Broadview	5760	7A
Dafoe	5860	7A
Dundurn	5600	7A
Estevan	5340	7A
Hudson Bay	6280	7B
Humboldt	6000	7B
Island Falls	7100	8
Kamsack	6040	7B
Kindersley	5550	7A
Lloydminster	5880	7A
Maple Creek	4780	6
Meadow Lake	6280	7B
Melfort	6050	7B
Melville	5880	7A
Moose Jaw	5270	7A
Nipawin	6300	7B
North Battleford	5900	7A
Prince Albert	6100	7B
Qu’Appelle	5620	7A
Regina	5600	7A
Rosetown	5620	7A
Saskatoon	5700	7A
Scott	5960	7A
Strasbourg	5600	7A
Swift Current	5150	7A
Uranium City	7500	8
Weyburn	5400	7A
Yorkton	6000	7B

Current code: The Yukon is enforcing the 2020 NBCC as of April 1st, 2023, as well as 2020 NBCC for both residential/housing and for non-housing buildings.

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City or Town	HDD 18	Climate Zone
Whitehorse	6580	7B
Teslin	6770	7B
Haines Junction	7100	8
Faro	7300	8
Watson Lake	7470	8
Aishihik	7500	8
Destruction Bay	7800	8
Dawson	8120	8
Snag	8300	8