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air sealing

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Improving the building envelope of your house is one of the best ways to get better energy efficiency. Air sealing your home considerably reduces your monthly energy bills, improves your home’s comfort, promotes healthier indoor air quality and helps to protect the environment. Any holes or gaps in your home’s “building envelope”, which consists of the building components that separate the interior from the exterior (i.e. exterior doors, windows and walls), will draw the warm air up and out of your interior living space. You can significantly diminish drafts in your home by sealing these leaks. Renovations offer many opportunities for creating a high-performance building envelope. The line of attack is to reduce air leakage as much as possible with proper air sealing and insulation and to provide “controlled” ventilation as required. Detecting Leaks Inadequately caulked or sealed windows, doors and attic hatches can impact the integrity of your home’s…