A blower door test determine's a home's airtightness. Here is how it works: 👉A blower door is a essentially a powerful fan mounted into the frame of an exterior doorway in your home. 👉The fan pulls air out of the house, lowering the air pressure inside. 👉The higher outside air pressure then flows in through all your cracks, gaps, wiring penetrations etc You should also use an infrared camera to look at the walls, ceilings, and floors, to find specific locations where insulation is missing and

HVAC Design Training: Manual J Default Air Leakage Inputs vs. Blower Door Test ACH50

💨 Blower Door Test Success at Xon Construction's Waterford Project! 💨 Witness Jason's excitement as the recent Blower Door Test at the SIPs Waterford build reveals astonishing results - boasting an impressively low ACH (Air Changes per Hour) score of 0.48! A Blower Door Test is a critical examination of a building's airtightness, and this result is nothing short of remarkable! A lower ACH score indicates a super energy-efficient and well-constructed building. A big shoutout to the amazing cont