Uploaded September 2022 | Updated September 2026, 3 days ago

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Window choices influence the home’s design heat loss and design heat gain values, and have significant impact on determining furnace and air-conditioner sizes.

For more information, check out the Master Planning & Decision Tool for Mechanical Systems: nrcan.gc.ca/maps-tools-and-publications/tools/modelling-tools/master-planning-decision-tool-for-natural-gas-mechanical-systems/22563

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