Home Blower Door Test Results

The auditor will set up his blower door in an outer door facing outward to depressurize your home in most cases.

Home blower door test results. 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. Higher numbers are worse. What does the blower door number mean. He will systematically move about your home setting up the house for the test.

Depending on the size of your home this testing can take between 2 to 4 hours. Professional energy auditors use blower door tests to help determine a home s airtightness. What does your blower test results mean. Blower door testing results.

It s a linear scale so 2000 is twice as bad as 1000. Make sure your home will meet the air tightness standards 3 5 ach air changes per hour for the new vancouver building by law. In an effort to stabilize the pressure in the building air will start to move in or out of the building. These are some reasons for establishing the proper building.

This process will cause outside air to be drawn into the house through leakage points. The blower door fan either blows air in pressurizes or blows air out depressurizes the building. 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. This creates either a positive or negative pressure in the building s interior.

A good rule of thumb is that your home should have a blower door number less than or equal to its square footage. Blower door test results can determine the airtightness. Simply put a blower door is a diagnostic tool used to measure how much air infiltration air leakage occurs in a house. If your home is 2000.

Ach5 is a semi tight home ach5 ach9 is. Once he is done with his walk through your auditor will begin the test. Blower door test during a home energy audit. Here is what a reading on the blower door looks like.

This test ensures a certain level of energy performance and is often used when a project team is aiming for a performance based building standard like passive house which requires a blower door test result of less than 0 6 air changes per hour at 50 pascals of pressure ach 50. The following will help you conduct your. Here are some things to know. The test requires a few parameters be set to yield accurate results.

We also test homes as built when the house is fully completed. Our energy saver 101 infographic explains the importance of a blower door test during a home energy audit. Understanding blower door test results. This means the volume of air in your home will be replaced 5 times in one hour.

Again we perform the blower door test and will provide you with the energuide reports as well as the final air leakage results air changes per hour.