Air duct cleaning questions

Review what evidence supports cleaning and what a service should include before agreeing to work. Pages will use official sources and be checked before publication.

Questions this site will answer

• What signs would justify having my ducts inspected for cleaning?
• What evidence should a cleaner show for a mold claim?
• Which HVAC components are included in the proposed cleaning?
• What should I ask before allowing chemicals or sealants in the ducts?
• How can I check whether the agreed cleaning work was completed?

How we build these pages

Each answer will name its sources and the date we checked them. This site doesn't rank or recommend any business yet. Read our methodology.