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If you are unsure of which package to use, please speak with the local CBO or contact a building specialist such as Building Knowledge. You just have to ensure you meet or exceed the values specified. This can be done in combination such as R12 + R10ci. You can continue to use a similar package A1 increasing your basement R-value to 20ci. Roughly 90% of the builders in Ontario who are not Energy Star are currently using Package J from the compliance package assemblies. This chart is practically setting your home up to be net zero ready. Table 3.1.1.2.B is for Space Heating Equipment. You will also find a metric chart (SI) and an imperial chart (IP) for each zone. There is even a wall system with 2×4 wood construction! But you need to provide R7.5 ci (continuous insulation). You now have a choice as to which way you prefer to conform. When choosing a compliance package, you can now follow the Nominal R Value OR you can follow the Effective Value. Now there will only be 6 packages in table 3.1.1.2.A (IP) A1 thru A6.
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Previously you could choose one of 14 packages from table 2.1.1.2A that best suited your construction needs.DWHR (drain water heat recovery) will now be required IN EVERY HOME.HRV (heat recovery ventilators) will now be required IN EVERY HOME.I recently went to a seminar held by Buildabilty to find out about the new changes for the energy efficiency design in Supplementary Standard (SB-12) of the Ontario Building Code and I was introduced to a new chapter. As of January 1st, 2017 building codes are changing, do you realize the cost of building these changes into every home? It won’t be cheap and you need to be considering this now with your designer on anything you plan to put in for permit after January 1.