How do the Codes address climate change?
Answer to question 1:
The national code documents do not directly address issues related to climate change mitigation. However, the climatic data that forms the basis for much of the design of buildings is continuously being updated in the National Building Code of Canada 2010 to ensure it is current. It is anticipated that adoption of the energy efficiency requirements in the National Energy Code of Canada for Buildings 2011 and in Part 9 (housing and small buildings) of the National Building Code of Canada 2010 will contribute to a reduction in greenhouse gas emissions.
How do the Codes address energy efficiency?
Answer to question 2:
The 2011 National Energy Code for Buildings directly addresses the use of energy as it relates to resource conservation under a new objective called “Environment”. The same Environment objective was incorporated in the 2010 NBC when provisions dealing with energy efficiency for housing and small buildings were added as a separate section of Part 9 in late 2012.
How do the Codes address resource conservation?
Answer to question 3:
The new Environment objective in the National Model Construction Codes has a “Resources” sub-objective that, so far, addresses excessive use of energy. It may be expanded in the future. This would only happen if extensive consultation with the provinces and territories and other stakeholders provides a broad consensus that such an expansion should occur. Such a process is now taking place with respect to the development of a water use efficiency objective and attendant technical requirements.
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