Quote:
Originally Posted by SailinAway
Roof leak led to tarp on roof, which is causing extreme humidity upstairs (windows fogged over). Turned on air conditions upstairs to get rid of heat and humidity. Result: [LIST=1][*]More condensation on outside of window[*]Mold all around the window frame around the air conditioner[*]Humidity and small mold specks inside the double-paned window[*]Extensive mold on the frame around the inside of the window
I've washed all the visible mold except for the inside of the window. I replaced the two-year-old air conditioner because it smelled like mold. I realize I need to get the window glass replaced. What I can't figure out is why the air conditioning seems to be worsening the humidity problem around the unit. I think the combination of hot, humid summer, the roof tarp, and poor attic ventilation is the problem. I will have roof vents installed when the roof is replaced. There are soffit vents and gable vents, but the gable vents are too small. In the meantime, what can I do to reduce the humidity upstairs and avoid more mold? Pretty worried about the health impacts at this point. Thanks!
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I think you are wise to worry about health impacts: Household mold has recently been implicated in a nerve condition known as
peripheral neuropathy. (Usually a tingling that starts in the foot and lower leg—pain and burning are common complaints).
My guess is that your interior roof area, wood structure, insulation, and any affected stored materials are soaked with water. This weather isn't improving a speedy dry-out. By now, the tarp may be compromised also. As condensation also collects under the tarp, rolling the tarp back during sunny days should be helpful.
I'd direct several 18-inch "box" fans to draw the moisture from the wood, and keep the house fully open on sunny days. Direct one fan at the affected window.
When I used a dehumidifier, it was placed in the bathtub with the little plastic box removed—the box that was designed to collect the condensate. It ran for several weeks, and did the job. The dehumidifier's effect is similar to an air-conditioner, but more economical in operation.
I'd still run the A/C, but remove the filter. The filter (only) is probably what has produced the mold odor.