What Is The Purpose Of A Blower Door Test

It matters because air tightness is one of the main factors of energy efficiency of a building.

What is the purpose of a blower door test.

Blower door tests are performed by certified energy auditors to determine to what degree a home is airtight. 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. The blower door is also used to test home duct systems for air tightness in conjunction with a smaller fan sometimes called a duct blaster. If a house loses warm air through seams in winter or lets cool air conditioned air escape in hot summer days you either end up with an unpleasant environment indoors or have to spend more energy to feel comfortable.

What is a blower door. What is blower door testing. A blower door is simply a diagnostic tool used to measure how much air filters out of your house your home s airtightness. The blower door allows testers to apply a consistent and measurable pressure to the house so that houses can be compared accurately.

Reducing energy consumption due to air leakage. How does it work. Our energy saver 101 infographic explains the importance of a blower door test during a home energy audit. These are some reasons for establishing the proper building tightness.

160 views view 5 upvoters. A blower door consists of a frame and flexible panel that fit into an exterior doorway. A blower door test is a method for testing air tightness of a building.