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Building Pressure Testing
Why do I need it? Also known as "Blower Door Testing," is required by code to ensure a minimal amount of air leakage/infiltration into the "envelope" or conditioned part of the home. It helps to ensure the "bought" or conditioned air inside the home/building stays inside and the cold or hot air and humidity we Texans are so fond of stays outside. The version of the energy code in your city (2015, 2018, 2021) or the standard you're trying to meet (Energy Star, Green Builder's Challenge, etc.) determines the amount of infiltration or air leakage that is allowed in Cubic Feet per Minute (CFMs). How do I pass this test? We've created a page to help builder pass this testing by listing some of the more common errors we've seen; to view the list, please scroll to the bottom of our, "Avoiding Re-Inspections" page. |
Jeff setting up the manometer during a building pressure test on an existing home.
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