National Energy Code Requirements

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. It does not apply to farm buildings nor to housing and smaller buildings covered in Part 9 of the National Building Code of Canada(NBC).

The Energy Codes will deal with the following building components:

Building Envelope.Is the separation between the interior and the exterior environments of a building, comprising of its exterior walls, roof, foundation and slab-on-ground.

Lighting. Includes interior and exterior lighting components and systems connected to the buildings electrical service.

HVAC. Heating, ventilating and air-conditioning covers items such as ducting and piping, controls, ventilation and related equipment..

Service Water Heating. Is concerned with systems used for the supply of water for purposes other than space heating.