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Blower Door TestA blower door measures air leakage through your home’s “envelope” or “shell”— its outer walls, ceiling, windows, doors, and floors by a powerful fan blowing air into or out of the home, forcing air through all the small holes, cracks, and penetrations. |
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Duct Pressure TestA duct pressure test uses a small fan and a pressure gauge to measure leaks in your home’s heating and cooling duct system. |
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Flow HoodA flow hood measures the amount of air that comes out of the heating or cooling system registers or vents when the system is operating. |





