Best Humidifiers & Dehumidifier on Sale

Rocyis rates this unit for spaces up to 4,500 sq. ft., making it a reasonable pick for basements, crawl spaces, or larger rooms where moisture buildup is a recurring problem. At $160, it's $40 off the $200 list price. Buy Now at Walmart

Handles spaces up to 4,500 square feet and includes a built-in pump, which means you can drain it continuously without manually emptying the bucket — useful for basements or crawl spaces where you want it running unattended. At $219, that's $160 off the $379 list price. Buy Now at Walmart

Replacement filters for humidifiers need to be swapped out regularly, and picking up a 2-pack at once saves you from running out mid-season. At $19, that's about $7 off the $26 list price. Buy Now at Walmart

Sized for crawl spaces, basements, and job sites rather than a single room, this unit pulls up to 113 pints of moisture per day, which is well above what most residential dehumidifiers can manage. At $529, it's about $58 off the $587 list price. Buy Now at Walmart

Designed for small spaces like closets, bathrooms, or bedrooms, this compact dehumidifier collects moisture in an external tank so you can empty it without moving the unit. At $18, it's $2 off the $20 list price. Buy Now at Walmart