The National Energy Code of Canada for Buildings 2011 (NECB) provides minimum requirements for the design and construction of energy-efficient buildings and covers the building envelope, systems and equipment for heating, ventilating and air-conditioning, service water heating, lighting, and the provision of electrical power systems and motors. It applies to new buildings and additions.
As of 2015, the National Energy Code of Canada for Buildings 2011 (NECB) had been adopted by five provinces (representing 69% of the nation’s total floor space. The remaining jurisdictions either have adopted an equivalent standard are actively considering NECB 2011 for adoption.
