If you need Blower Door Testing in Jacksonville, Florida…call Misteraire!
As per Florida Building Code sections R402.4.1.2 and R104.5, a mandatory blower door test must be performed by either individuals as defined in Section 553.993(5) or (7), F.S. or individuals licensed as set forth in Section 489.105(3)(f), (g), or (i) or an approved third party.
Each building must have 7 air changes per hour (7 ACH50) or less in order to successfully pass the Blower Door test.
Blower Door tests simulate the 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. The 20mph wind is equivalent to 50 Pascals (Pa) of pressure difference. A Blower Door Fan simulates these conditions during a test.
All buildings are tested at 50 Pa pressure difference to allow for comparisons to be made between homes/structures, no matter the size or plan type. In the State of Florida, buildings which comprise of 3
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