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What is an air infiltration rate, and why is it important?

April 26, 2017air infiltration rate

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What is an air infiltration rate, and why is it important?

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Properly made and insulated windows are a must, because if air from the outside can enter your home through cracks in the window, then energy efficiency and comfort are compromised. To combat this, the industry adopted a measurement system from the American Society for Testing and Materials (ASTM) called the Air Infiltration Rate.