Buying guides

Picks checked against tested capacity, never marketing coverage claims.

• Best crawl space dehumidifierWhy capacity isn't the reason you buy one, and what is.
• Best basement dehumidifierSizing, continuous drainage, and coil frosting in an unheated basement.
• Best whole house dehumidifierDucted units — and when two portables are the honest answer.
• Best desiccant dehumidifierFor unheated spaces below 65°F — and what our catalogue can't offer.
• Bathroom dehumidifierUsually you need an extractor fan instead. When you don't.
• Garage dehumidifierRust prevention, and why temperature decides this one.