Blower Door Test

It is designed to check for air leaks in walls attics and mechanical penetrations.

Blower door test.

The blower door test. The following will help you conduct your. A blower door is a machine used to measure the airtightness of buildings. While a blower door test does not evaluate how well a structure is insulated it can reveal drafty walls and air bypass situations that could undermine otherwise well insulated wall assemblies.

There are three primary components to a blower door. Professional energy auditors use blower door tests to help determine a home s airtightness. 1 a calibrated variable speed fan capable of inducing a range of airflows sufficient to. During this test a calibrated fan is installed in an otherwise sealed door or window while all the other openings to the exterior are closed.

A blower door test is used on buildings in order to quantify the amount of air leakage through its enclosure. Beginning with the 2012 iecc a maximum air leakage rate is defined and each new home must meet this tightness level verified with a blower door test. It can also be used to measure airflow between building zones to test ductwork airtightness and to help physically locate air leakage sites in the building envelope. These are some reasons for establishing the proper building.

Blower door test during a home energy audit. Our energy saver 101 infographic explains the importance of a blower door test during a home energy audit. Last year we built an energy star home for a customer and we used a blower door test to evaluate the houses air infiltration performance. Blower door tests are performed by trained and certified energy auditors but a homeowner can conduct a mini test to help pinpoint leaky areas of the home.

Since blower door testing is a standard tool used during an energy audit it is helpful for inspectors to understand how the test works. This process will cause outside air to be drawn into the house through leakage points. Holtkamp heating a c inc. As the fan is running a technician can move from room to room throughout the house to detect.

A blower door test is a way to check how air tight a structure is. Understanding blower door test results. A blower door test is performed to measure the exact air tightness of a home.