For Designers

Right-Sizing HVAC Systems

The energy performance of windows has a direct impact on heating and cooling loads and thus on the demand placed on heating, cooling and air conditioning (HVAC) systems. It is important to take into account this impact on heating and cooling loads when determining the adequate HVAC system size for homes.
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Apply Proper Window Details and Installation Practices

The ultimate performance of a window unit also depends on the quality of its installation. Improper installation can contribute to air leakage, unnecessary heat loss, condensation, and water leakage. This not only may lead to diminished energy performance but deterioration of walls, insulation, and the window unit itself.
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