If you’ve lived in the Pittsburgh area for even just a year, then you are probably well aware of how dry our winters can get. When you take that dryness and put it in your home, you could end up with a lot of problems. And the thing is, the relative humidity outdoors absolutely impacts the moisture levels indoors! The lowest humidity level before your environment starts getting uncomfortable (and unhealthy) is 30%—you want your home’s relative humidity level to be between this and 50%.
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