Insulation and air sealing

The "house as a system" principle reminds us that even if you are investing in new heating and cooling equipment or new windows and doors, you cannot optimize the energy performance of your house if you are not keeping heat in during the winter and out during summer.

In Canada, there is a large variety of choices when it comes to insulation materials and installation methods for walls, attics, basements, floors and ceilings.

Insulation upgrades coupled with air sealing are among the most cost-effective home retrofits. This simple home improvement sometimes pays for itself in less than a year.

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