Q: I bought a new window AC at the start of summer and having been using it regularly since, but now it's starting to smell like mildew every time I turn it on, a funky odor wafting throughout my apartment. It's too hot not to keep it on, but I don't want to live with this smell. Can anyone recommend how to get rid of the smell?
Sent by Shaun
Editor: Window air conditioners can produce moldy odors if not maintained properly, usually when water from the unit doesn't properly drain and mold or bacterial growth begin to fester inside.
Check out this window AC maintenance checklist for future reference and the video below showing how to clean air conditioner coils. There's also some who use a bleach+water solution or Lysol to disinfect the system, but when in doubt, you'll want to call a HVAC serviceman to handle the cleaning and point out the cause of the odor.
Leave your suggestions for Shaun in the comments - thanks!
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