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High levels of humidity in your home can cause everything from musty, bad smells, and mold allergies to damage to carpeting, wood flooring and even — in severe cases — structural areas of your home.

Check for and seal any air leaks in your home, especially around windows, doors, and vents. Leaky seals allow humid outdoor air to infiltrate your home, raising indoor humidity levels. Proper ...

Q: It always seems much more humid inside my air-conditioned house than it is outside. The humidity inside is about 35 percent while outside it can be 15 percent. Is that OK, and why does it happen? A ...