Canadian Standards & Codes
Official sources for the Canadian electrical, structural, HVAC, and trucking codes used in our calculators — organized by federal standard and province.
🇨🇦 Federal Standards
CSA Group
Canadian Electrical Code (CEC C22.1-21)
The national electrical installation standard adopted by all provinces.
National Research Council Canada
National Building Code of Canada (NBCC 2020)
Structural, fire, and life safety requirements for buildings.
CSA Group
CSA O86-19 — Engineering Design in Wood
Wood design standard used for beam, joist, and post sizing.
CSA Group
CSA F280-12 — Residential Heating & Cooling
Method for calculating required capacity of heating and cooling appliances.
Natural Resources Canada
Canada Greener Homes Grant
Federal rebates for heat pumps, insulation, and energy upgrades.
Transport Canada
Commercial Vehicle Weights & Dimensions (MOU)
Interprovincial truck weight limits and the MOU framework.