Home Blower Door Test Cost

The blower door test simulates wind blowing against a building at 20 miles per hour in which case the total volume of air within the house would be exchanged with outside air 7 times. These pages describes how to build a pretty good blower door for about 30. These are some reasons for establishing the proper building tightness.

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You can find and fix those air leaks for a more airtight mold rot free and energy efficient sustainable green home.

Home blower door test cost. Simply put a blower door is a diagnostic tool used to measure how much air infiltration air leakage occurs in a house. About lesley cowie lesley has been passionately advocating for and working with green building and renewable energy since 2009. A blower door test identifies air leakage in a home. The following will help you conduct your.

The blower door test costs about 450 00 for a typical house. These homes have already had a blower door test to quantify air leakage. 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. Our energy saver 101 infographic explains the importance of a blower door test during a home energy audit.

What does it cost. Each home must have 7 air changes per hour 7 ach50 or less in order to pass the blower door test. 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. She has experience with leed certification home energy auditing blower door testing solar energy and more.

You can use it to 1 find air infiltration leaks into your house 2 trace your progress in sealing the house 3 estimate your infiltration flow at 50 pa a blower door standard and compare it to other homes 4 estimate your heat loss due to infiltration and 5 estimate fuel saving and co2 reduction from air. The sealing of air leakage is very cost effective and can pay for itself in the first year. Understanding blower door test results. The hers rating system is used across the united states but is.

This includes a report of the air leakage locations and recommendations for the sealing approach. The blower door test is used as one aspect in determining a home energy rating system hers or how energy efficient the house is. Professional energy auditors use blower door tests to help determine a home s airtightness. Windows and doors installed with this system ensure that blower door test success is achieved faster.

2 2019 2 17 p m. Sean harris has been a building science consultant and home performance tester for positive energy a building science firm out of austin texas for the past 10 years.