Fix Window Air Infiltration Leaks in Cold & Drafty Windows

Winter is the time we rely on our windows to keep the cold air out and the warm air in. Sadly (and coldly) this doesn’t always happen. When cold weather comes, thousands of you will be asking, “Why are my windows cold and drafty? There can be many reasons for air infiltration leaks in windows. 1. Window thermal transmission (R value or U value) A…

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