air vents smell like cigarettes AC smells when it runs, and I think I know why. Would cleaning this up change it? : r/hvacadvice How to stop cigarette smoke

How to stop cigarette smoke from entering my condo unit through the air outtake vent? Weed smell coming through my vents, the apartment says nothing is connected. In the hallway I cannot smell it, only in my apartment. I've replaced the filter and cleaned, used air freshener The Do's and Don'ts of Removing Cigarette Smells From Ductwork How to Block Smoke for Coming and Going Through Vents? Why Air Ducts Smell and How to Fix It Zerorez Carpet Cleaning

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