Mold

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Old 02-09-15, 10:39 AM
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Mold

Hi All, will air circulated in a space help prevent mold in a closed up condo in Naples Fl?
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Geo
 
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Old 02-09-15, 10:41 AM
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I lived in Fl for a year & I was told that the AC should be running, even on a low setting.
at least that's what I heard. Don't hold me to it.
 
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Old 02-09-15, 10:45 AM
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Help yes! But if RH is higher than 60% it will grow. best way is to keep RH under 55%
 
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Old 02-09-15, 10:46 AM
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Running the HVAC lowers the humidity in the house making it harder for mold to take hold.
 
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Old 02-09-15, 02:10 PM
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Moving air does nothing.
Lowering humidly, and temperature stops it from growing.
 
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Old 02-09-15, 02:21 PM
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I assume running the HVAC does more than just move the air. I used to live in fla and painted a lot of houses there, both occupied and vacant. Don't recall any mold/mildew issues on the interiors where the HVAC was kept on but not sure I remember any that were closed up without the benefit of AC that didn't have issues.
 
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Old 02-11-15, 12:00 AM
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Leaving the Fan in the On position while in cool mode will cause a higher humidity in the space than leaving the fan in the Auto mode in the Houston area.

The water on the evaporator coil will blow off of the coil and evaporate again when the compressor cycles off.



 
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Old 02-11-15, 09:56 AM
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My thought was to leave a couple of small portable fans around the space on time clocks to help circulate some air ,leaving the AC set to around 82* and fan on auto as I have in the past,just trying to do something more economical without creating problems.
So many different opinions,just looking for the best option.
Geo
 
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Old 02-11-15, 10:06 AM
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The AC makes sense but I don't see the fans making any difference.

Any idea what setting the AC at 82 will do for the humidity? In other words, will the AC have to run often or seldom to maintain that temp?
 
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Old 02-11-15, 02:11 PM
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When I lived in Florida, the land lady kept the AC at 80 degrees. She did that to save money. I'm a NYer who doesn't like AC. I told her to shut it off completely. I lived in what she called the guest house. It was really the pool house. I had to live with whatever setting she used, since it all ran on one thermostat. At an 80 degree setting, it didn't run often but it was certainly enough to prevent mold.
 
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Old 02-12-15, 07:52 AM
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That would depend on how well the area is insulated,type of windows etc.last season I left it set at 82* and had no mold problems and the utility bill was not bad.
Condo in Naples,Fl.
Geo
 
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Old 02-12-15, 01:05 PM
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just run a small dehumidifier
 
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