What Is a Blower Door Test and Do You Need One?
A blower door test sounds complicated… but it’s actually one of the most powerful tools for understanding your home.
What Is It?
A blower door test uses a large fan mounted in your doorway to:
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Pull air out of your home
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Measure how much air leaks in
It tells us exactly how “tight” your house is.
Why It Matters
Most homes leak way more air than people realize.
That means:
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Your AC is working overtime
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You’re losing energy constantly
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Comfort is inconsistent
What It Finds
A blower door test helps identify:
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Hidden air leaks
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Poor insulation performance
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Problem areas in attics and walls
Why Builders (and Homeowners) Should Care
If you’re building a new home, this test proves whether your house actually performs the way it should.
If you already own your home, it shows you exactly where you’re losing money.
The Big Advantage
Instead of guessing, you get real data.
No more:
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Throwing insulation at the problem
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Hoping something works
Bottom Line
If you want to fix comfort issues the right way, start with a blower door test.
👉 Schedule one with LoneStar Air Sealers and see what your house is actually doing.