"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If there’s one place in the house that really tests a dehumidifier, it’s the basement. Damp air, musty ...

Aim to keep basement humidity between 40% and 50% in summer to prevent mold, musty smells, and allergens. Use a hygrometer to monitor humidity, fix drainage or flooding issues, and consider a vapor ...

It creeps up on you, mold. When you’re not paying attention, black or green spots might appear on your bathroom walls and ceiling. Mold can sneakily stake its claim on your shower curtains. It can ...