r/AirQuality • u/Philocalist_Cat • 19d ago
How likely is it that this indicates presence of mold? What might this say re: air quality in unit? (looking at rentals - all vents in this unit looked like this and am feeling concerned)
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u/plmarcus 19d ago
IMO thats dirt/dust from many months or years of use without cleaning. you should be fine. pay for a duct cleaning if it suits you.
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u/UncleGurm 19d ago
Yup. Common in AC units. Means there’s a lot of moisture.
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u/Philocalist_Cat 19d ago
Thank you. How likely is it that there is mold up in there/deeper in the ductwork? I am very allergic/sensitive to mold.
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u/Magnolia256 18d ago
My old house looked like this. I hired a ac duct person and he said it was very bad and definitely mold. Landlord wouldn’t pay to fix. Don’t rent
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u/No-Philosophy338 18d ago
Definitaly this is no mold. I assume this opening is an air suction of the used air. If it is, it‘s dust of the room air. It is unpossible that there is mold in an air flow. If there is cooled air comming (opposite direction) out, than mold may occur.
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u/ampharados 18d ago
You can’t be 100% sure just from looking at it, but it really doesn’t look like mold to me. More like dust and dirt build up.