How to Interpret Blower Test Results

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Part of the video series: How to Conduct a Blower Door Test on a House

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Summary: Learn how to read the blower test results from an energy efficiency expert in this free home improvement video.

Views: 639 | Tags: home, building, house, safety, door, test, blower, 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 Interpret Blower Test Results

Hi! My name is Joshua Lindsey with CFM Building Science Solution. On behalf of Expert Village, we are going to be doing a blower door test on this home. Okay so now that it has depressurized the house to 50 pascals and it took samples based on the leakiness of the house, it took 100 samples to figure out what the leakiness of the house was. We are ready to go to the next page and see what our test reveals. Our CFM is 2219; 229.1 in Canadian EqLA at 10 pascals. That means that an area of 229 square inches is the amount of leakage that we have in this house. That is a little bit big. This ACH or air change per hour, we don't want that to over .35 and so we are obviously hovering pretty close. I would prefer this house to be lower than that. Some of the reasons that this one might be as high as it is is because we are missing some of the appliances. We don't have everything installed in the house that the homeowner is going to put in here so the house could work a little bit better once everything is put in here.