How to Clean an Indoor Air Duct (with Pictures) – wikiHow

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Three Parts:Making PreparationsCleaning the DuctsAccessing the Main Air DuctsCommunity Q&A

Its hard to argue about the importance of clean air. You may have noticed it feels a little harder to breathe in your home lately, or the air just doesnt smell right. Indoor air ducts need regular cleaning to ensure top performance and effectiveness. Unclean air ducts can harbor viruses, bacteria, and other germ potential, which can harm your health. Keeping you and your family safe is priority, so take some time to clean out your air ducts now in order to avoid bigger problems later.[1]

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Is there any combustible concern with applying bleach near an electrical HVAC unit?

Bleach is non-combustible. You don't want to breathe a lot of it, but it won't explode around a heat or flame source.

What can be safely sprayed in air ducts to sanitize them?

wikiHow Contributor

There are several sprays on the market made specifically for sanitizing air ducts. Clean Air is one brand of the sanitizing and air freshening sprays.

Should the unit be cleaned out as well after cleaning my indoor air duct?

If you can vacuum out the inside of the unit, you should do so.

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How to Clean an Indoor Air Duct (with Pictures) - wikiHow