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(Heating, Ventilating, and Air Conditioning) For questions about installing, repairing, and troubleshooting HVAC systems.

2 votes
2 answers
18k views

Why is there a musty smell from my HVAC system even after coil cleaning?

I am having trouble getting rid of a smell in my AC (installed 2016), 2 visits by an HVAC professional have resulted in no luck. … First visit by HVAC professional, we were told everything was fine, probably dirty air ducts. …
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