How can I find a duct cleaner I can trust?

Zero verified contractor listings. We haven’t published verified contractor listings yet. Choosing a state does not reveal coverage or recommendations.

Where should I start looking?

Ask your usual heating-and-cooling provider who performs this work locally, or use an external directory to gather names. Use the name as a starting point. You still need to check the company and understand the work it proposes.

You do not need to pick a state to use the checklist below. Compare two or more clear written estimates when practical. First decide whether there is a cleaning concern, rather than letting a directory turn a maintenance question into a purchase.

What should I check before hiring?

• Evidence: What problem was observed, where, and what supports it? Ask for clarification of a specific claim, not just a general statement that ducts get dirty.
• Written scope: Which supply and return ducts, larger connecting ducts and equipment areas are included? Which parts won’t be cleaned, and why?
• Suitable methods: How will the crew reach the included parts, use tools suited to the material and collect loosened debris? Ask how the home is protected and openings are closed.
• Applicable records: What license or registration applies to this work in your location? Check the relevant authority’s records using the company’s exact identity. A directory badge isn’t a substitute for that check.
• Insurance: Ask what coverage applies to this job and how to confirm current evidence. Do not assume a logo or review count establishes insurance.
• People doing the work: Who arrives, and who is responsible if the scope changes or damage occurs? Ask what any claimed credential covers and how to verify it with the issuer.
• Reviews: Read accounts of the actual work, explanations and complaint handling. Stars alone do not tell you whether the proposed service fits your home. Look for patterns, then ask about unresolved concerns.
• Documentation and changes: What record will you receive, what might cost extra, and how must changes be approved? Get this in writing before booking.

What would a useful answer sound like?

“We clean everything” needs a written list of the actual parts, access limits and exclusions. Ask what would remain unresolved.

“We’re certified” needs the credential’s name, issuer, current status and scope. Ask whether it belongs to the company or the person doing the work. It isn’t EPA approval or a guarantee of the result.

“Extras may apply” needs an explanation of the price and how you approve additional work in writing before it starts. Ask who handles damage or incomplete work, how to raise a concern and what completion record you receive.

What do directory membership and registration establish?

Different records answer different questions. A trade-association membership can help identify a company to investigate. A government registration check can show applicable records. Neither one establishes what is inside your ducts or guarantees good work on your job.

Requirements vary with the location and type of work. Not sure who oversees the work? A state consumer office can help you find where to check. Our state selector provides reviewed starting points; it is not a nationwide legal guide or a claim of local coverage.

What if I cannot find a suitable company?

Keep the checklist and ask for missing information. If your original concern is still unexplained, ask your usual maintenance provider what kind of evaluation would answer it. If there is no specific cleaning concern, lack of a listing is not a reason to purchase an inspection.

You can compare scopes using the worksheet without sharing company names or your location with us. We apply the same evaluation questions to affiliated businesses and unrelated companies. Payment will not determine our quality assessments.