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Compare energy auditors for duct leakage tests on forced air heating and cooling systems. Get free quotes, check credentials, and hire with confidence.
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Top Duct Leakage Testing Pros in Metro Detroit
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Duct leakage testing in Metro Detroit: what to expect
A duct leakage test measures how much air escapes from forced air ductwork before it reaches the rooms. The auditor seals the supply and return registers, connects a calibrated fan to the system, and measures leakage at a set pressure. Some tests measure total leakage; others measure only leakage to the outdoors.
Most Metro Detroit homes heat with a gas furnace on ductwork, often decades old, with joints that were never sealed and returns that pull air from basements or crawlspaces. Leaky ducts cause uneven rooms, dust and wasted energy, and ducts in attics or garages matter most. Results guide sealing work by an HVAC pro, and the test pairs well with a blower door test.
What a proper job includes
- Inspection of the furnace, air handler and accessible ductwork
- Registers and grilles sealed for testing
- Calibrated duct leakage test with results recorded
- Notes on where leaks were found or suspected
- Written results with test type and conditions
- Recommendations for sealing and a retest after repairs
What drives the price
- Number of systems and registers
- Total leakage versus leakage to outdoors
- Ducts in attics, garages or crawlspaces
- Report format for code, a builder or a program
- Pre and post tests around duct sealing
- Combining with a blower door test or full audit
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 duct testing depending on the compliance path and where ducts run, so confirm with the local building department (BSEED in Detroit). Duct sealing or changes to the system are mechanical work done by a licensed mechanical contractor, with a permit where required.
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 which test they perform and what the result will be compared to.
- Ask whether they will point out where leaks are, not just the number.
- Confirm the report format your builder, inspector or program needs.
- Ask about BPI or RESNET credentials.
- If an HVAC company tests its own work, ask for the raw results.
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Duct Leakage Testing FAQ
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