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Compare energy auditors for blower door air leakage tests on homes and small buildings. Get free quotes, check credentials, and hire with confidence.
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Top Blower Door Testing Pros in Metro Detroit
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Blower door testing in Metro Detroit: what to expect
A blower door test measures how leaky a building is. A calibrated fan is sealed into an exterior door and pulls air out of the house, and the auditor reads how much air flows through the fan at a set pressure. While the house is depressurized, leaks at the attic hatch, rim joists, plumbing and wiring holes, and around windows become easy to find.
Many older Metro Detroit homes lose a lot of heat through the attic and basement, and lake-effect winds make drafts worse in winter. A test before and after air sealing shows what the work achieved. It is also part of a full home energy audit and is often paired with thermal imaging.
What a proper job includes
- Setup that closes windows and sets up the house for testing
- Combustion appliance check before depressurizing
- Calibrated blower door test with the leakage result recorded
- Walk-through to locate major air leaks during the test
- Written results with the leakage number and test conditions
- A prioritized list of air sealing targets
- Retest after air sealing when requested
What drives the price
- Single test versus part of a full audit
- Home size and number of stories
- Pre and post tests for air sealing or rebates
- Reporting required for code or a program
- Adding infrared scanning during the test
- Travel and scheduling across the six counties
Rebuild Detroit does not publish price ranges. Get written quotes for the same scope and compare.
Credentials and rebates in Michigan
New homes and additions built under Michigan's energy code may need air leakage testing depending on the compliance path the builder uses, so confirm with the local building department (BSEED in Detroit). Utility programs, including DTE Energy's Home Energy Assessment, use blower door testing, and program rules change, so confirm eligibility with your utility.
Michigan does not issue a state license specific to energy auditing, so ask about national credentials. The state's Home Energy Rebates program accepts auditors with credentials such as BPI Building Analyst, BPI Energy Auditor or a RESNET HERS Rater certification. Any insulation, HVAC or electrical work that follows is done by contractors holding the LARA license for that trade, with permits where required.
Verify: Michigan Home Energy Rebates (EGLE) DTE Energy Home Energy Assessment Consumers Energy Home Energy Analysis How We Vet
How to compare quotes
- Ask whether the test is a single measurement or includes leak finding.
- Ask whether they check gas appliances for safe venting first.
- Confirm the report format you need for code, a rebate or a sale.
- Ask about BPI or RESNET credentials and when the equipment was calibrated.
- If they also sell air sealing, ask for a free or included retest.
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Blower Door Testing FAQ
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