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B.C. building code gives new choice Part 3

New energy efficiency requirements become effective this Friday, December 20, when the BC Building Code provides a choice of energy efficiency standards for Part 3 complex buildings. Part 3 of the building code encompasses large residential,...


New energy efficiency requirements become effective this Friday, December 20, when the BC Building Code provides a choice of energy efficiency standards for Part 3 complex buildings. Part 3 of the building code encompasses large residential, industrial, commercial and institutional buildings.

Under the new provisions, designers can either use the 2011 National Energy Code for Buildings, or ASHRAE 90.1 (2010). Using either standard can increase energy savings by up to 15 per cent above the previous requirements. Both standards are also associated with improved occupant comfort.

The adoption of the National Energy Code for Buildings harmonizes British Columbia with Canada’s national code system while addressing the climatic and construction practices in the province.

Those who choose to use the older ASHRAE standard will have to use Canadian climate data and ventilation rates from the BC Building Code.