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Strange smell when turning on the AC – could it be the ducts
http://www.arwen-undomiel.com/forum/viewtopic.php?f=1&t=341503
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Author:  tot3ntanZz [ May 12th, 2025, 1:12 pm ]
Post subject:  Strange smell when turning on the AC – could it be the ducts

Every time I turn on the AC, there's a musty smell that lasts for a few minutes. I'm wondering if it's coming from the air ducts and whether it's a sign they need cleaning. Has anyone had this happen before and found a fix that actually works?

Author:  Yopi [ May 12th, 2025, 2:20 pm ]
Post subject:  Re: Strange smell when turning on the AC – could it be the d

That smell could be a buildup of dust or mold. Definitely worth checking the ducts.

Author:  theblisterexists [ May 12th, 2025, 3:43 pm ]
Post subject:  Re: Strange smell when turning on the AC – could it be the d

It sounds like your ducts could be harboring a buildup of debris or even mold, especially if the smell is persistent and comes back each time. I had something similar in our previous home. Learning https://comfortclean.com/how-to-clean-a ... omeowners/ how to clean ducts in a house made a big difference. Once we removed the dust and particles inside the ductwork, not only did the smell go away, but the air quality noticeably improved. If you're not ready to hire a professional just yet, you can follow a step-by-step guide to check and clean them yourself. Just be sure to wear a mask and use a vacuum with a HEPA filter. Ducts can get surprisingly dirty over time, especially if you have pets or live in a dusty area. It's not a glamorous job, but it's worth it for peace of mind.

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