How to Pressurize a Room

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Summary: Learn how to pressurize a room when conducting a duct test on a house from an energy efficiency expert in this free video on home safety and repair.

Views: 543 | Tags: home, repair, building, house, test, duct, ducting, home safety

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About the Expert

Joshua Lindsey He has been in construction for eight years and was introduced to building science three years ago. CFM Building Science Solution has 15 years of experience i... read more

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Video Transcript

How to Pressurize a Room

Hi! My name is Joshua Lindsey with CFM Building Science Solutions. On behalf of Expert Village, we are going to do a duct test in this house. Okay right up here above you we have taped off the air conditioning vent into this room. So I want you to think for about just a minute that we are pushing air into this room and we are pressurizing this room. Quite normally bedroom doors remain closed so we are pressurizing this room. Where is the air going to go? So it is just simply pressurizing. In other words, every time I go to open this door, it will be hard to open or go to close it, I set the door right there and all of a sudden it goes, like that. We don't want to see stuff like this happen. It happens in a lot of homes and you may live in one that is happening right now. This right here is called a jumper duct and it is exactly that. It jumps from right here to over here down the hall. Okay up in your attic that jumper duct is jumping from just one place right to the next.