Blower Door Test Companies

Professional energy auditors use blower door tests to help determine a home s airtightness.

Blower door test companies.

What is a blower door test. The blower door test. A blower door test is often an essential part of a home audit we don t know for sure just yet if it will be part of the free home energy audits promised by the canadian liberal government in oct 2019. The 20mph wind is equivalent to 50 pascals pa of pressure difference.

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. We have years of experience as bpi building performance institute building analysts and can perform the testing that you need to meet code and inspection requirements. Blower door test during a home energy audit.

The following will help you conduct your. 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. 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. The blower door is often used as a test in and test out procedure for both diagnosing problems and ensuring effective installation.

A blower door fan simulates these conditions during a test. Sizing hvac systems contractors performing load calculations can input the data from the blower door to provide a more accurate sizing of the forced air furnace air conditioner or geothermal heat pump system. Holtkamp heating a c inc. Blower door tests are becoming part of many state and provincial mandatory building codes the new bc energy step code in british columbia canada is one example.