With winter around the corner some homeowners may be thinking about plugging all the leaks in their home to make them less drafty. Imagine if every homeowner in the country did that—how much energy could be saved? Using physics-based modeling of the U.S. housing stock, researchers from Lawrence Berkeley National Laboratory (Berkeley Lab) found in a new study that upgrading airtightness to a uniform level could achieve as much as $33 billion in annual energy savings.
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