Ask three local companies what a blower door test costs, and you will get three different answers, and all three can be honest. The reason is that "blower door test" is not one product. It is the name of a piece of equipment that turns up in at
Yes. Louisiana's residential energy code sets a maximum air leakage rate that has to be demonstrated by testing, and since 1 July 2024 the person running that test has to hold a recognised certification. The detail matters more than the yes,
If you have been handed a blower door result, you are looking at a single number and wondering whether it is good. The honest answer has two halves. There is the number Louisiana law holds your house to, and there is the number that actually
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