We’re almost one year into the new Ontario Building Code Supplementary Standard SB-12 Energy Efficiency requirements and this article by Gord Cooke which was originally published in Better Builder Article, October 2016 is a great summary of the trends emerging from the changes.
In my article for the last issue I mentioned that the draft of the Ontario Building Code Supplementary Standard SB-12 Energy Efficiency requirements for January 2017 had come out. Well in the ensuing weeks, the final version of SB-12 for 2017 has been made public and there are some compelling trends to discuss. First, the number of prescriptive packages is down reflecting the fact that it is getting tougher to find significant, cost effective incremental energy improvements through simple changes to insulation levels or mechanical equipment specifications. Second, there is a not so subtle mention of air tightness, with the supporting documents of SB-12 hinting that in future code iterations air tightness testing will be mandatory.read more