Originally Posted by
tom p.
That sounds about right for mold growth. I know our basement is 60% RH and higher in the summer months. The basement is large, and the house is built on a hill, so the ground tends to be dry. If I run the dehumidifier, it can get it down to 35% or so and that`s very comfortable for me. However, then you`ve got the cost of running the dehumidifier all the time.
I bought a med size wall mounted fan (Air Monster) a couple years ago. That works pretty good in terms of helping the garage dry when the floor is wet. Someone gave me last year a large Lasky fan that stands on the floor. That moves a LOT of air even on the lowest speed. Blade diameter on that is probably 20".
There`s also the HVAC mini-split installation, but I`d guess something like that would be at least $5k unless you can handle the install. Those typically have a separate de-humidification function, and you`d end up with heating and cooling, as needed.
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