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ac window unit smells of mold

I live on cape cod, ma.
Why does my ac window unit smell like mold after 1 season.
1. How do I get rid of that smell?
2. Am I circulating mold around my house by using it?
Please help! I am over buying new ac units every year!!!!

Re: ac window unit smells of mold

The outlets to A/C units often get clogged with slime and gunk. Mechanically clearing the passages and cleaning with bleach should help. Also be sure the unit is tilted properly so the water flows out rather than collects in the pan.

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