Step 1
Set up blower door equipment and prepare home for testing
Blower Door Testing
Professional blower door testing to measure and diagnose air leakage in your home. Essential for energy audits, code compliance, and maximizing comfort and efficiency.
Signs You Need Blower Door Testing
Blower door testing is required for new homes and many retrofits in the PNW. It's the gold standard for measuring and improving building tightness.
Drafty rooms or uneven temperatures
Blower door testing finds the sources of leaks so they can be sealed for better comfort.
High energy bills despite insulation
Testing reveals hidden leaks that waste energy, guiding effective upgrades.
Need to verify code or program compliance
A blower door test provides the documentation required for many energy codes and rebates.
Our Process
Step 2
Measure baseline and depressurized air leakage rates
Step 3
Inspect for major leakage sites using smoke or infrared tools
Step 4
Document results and provide a clear report
Frequently Asked Questions
- A blower door test uses a powerful fan to measure how much air leaks through your home's envelope. It's the best way to find and fix drafts and inefficiencies.
- Many energy codes and rebate programs require blower door testing to verify air tightness. We provide all necessary documentation.
- No—blower door testing is safe for all homes. We take care to protect your property and explain the process.
- Blower door tests can be performed year-round, but extreme wind or temperature swings may affect results. We'll advise on best timing.
- Yes—we can provide targeted air sealing and improvements based on your test results.
Ready to get started?
Tell us about your project and we’ll send a no-pressure quote.