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AC or no AC when cleaning up mold in basement?

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  • Aug 20th, 2021 9:51 am
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[OP]
Member
Jun 17, 2017
239 posts
35 upvotes

AC or no AC when cleaning up mold in basement?

Had a water flood in basement, trying to clean up some mold on the walls and floors...
Should I turn on or off AC to prevent mold and mold smell in basement?
6 replies
Member
Mar 27, 2021
385 posts
467 upvotes
How bad is it?
Long Time RFDer / restarting life
Deal Addict
Jan 21, 2011
1169 posts
569 upvotes
GTA
Leave AC off, best to open basement windows. if you have a closed in basement( from the rest of house), use a fan to circulate air depending on how bad and or what kind of mold it is.
[OP]
Member
Jun 17, 2017
239 posts
35 upvotes
restartRFD wrote: How bad is it?
mostly black mold on partial drywall (behind base board areas)
Deal Expert
User avatar
Jul 5, 2004
26712 posts
5838 upvotes
I'd turn off your furnace fan, HRV and AC. I wouldn't want the air circulating through the furnace and around the rest of the house until I got it cleaned up. The filter is replaceable obviously, which you should do once you're done, but I still would rather not circulate particles throughout the house.
Deal Addict
Oct 19, 2020
1048 posts
668 upvotes
GTA
Opening windows can be counter-productive if it is humid.
Best to leave central ac off to not distribute spores and run a dehumidifier down there to help dry things off, if you have access to one that is.
Hvac advice warning - inaccurate information on forum, vested interests in selling builder's equipment. Selling dealer-only brands without being authorized is a red flag. Report to CRA if offered no tax cash-deal. If it's 2 good to b tru, it is.
Member
Mar 27, 2021
385 posts
467 upvotes
+1 dehumidifier and wear a mask when down there.

Black mold is not to be messed with.
Long Time RFDer / restarting life

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