Best Crawl Space Dehumidifiers by Rated Area

Qualifies if: A dehumidifier its maker sells for crawl spaces or as a commercial unit.
Ranked by: Rated room size (highest first)
Shown: The top 8 of 25 products in our catalog that meet the rule.

#1 · Rated room size: 7500 square feet

Tank: 158 pints. Rated for: 7500 square feet. Needs regular cleaning to stay hygienic.

#2 · Rated room size: 7500 square feet

Tank: 155 pints. Rated for: 7500 square feet. Needs regular cleaning to stay hygienic.

#3 · Rated room size: 7000 square feet

Tank: 150 pints. Removes: 70 pints per day. Bucket: 1.85 gallons. Rated for: 7000 square feet. Needs regular cleaning to stay hygienic.

#4 · Rated room size: 6500 square feet

Tank: 125 pints. Rated for: 6500 square feet. Needs regular cleaning to stay hygienic.

#5 · Rated room size: 6000 square feet

Tank: 105 pints. Bucket: 1.45 gallons. Rated for: 6000 square feet. Needs regular cleaning to stay hygienic.

#6 · Rated room size: 5000 square feet

Tank: 70 pints. Rated for: 5000 square feet. Needs regular cleaning to stay hygienic.

#7 · Rated room size: 4500 square feet

Removes: 50 pints per day. Bucket: 2.25 gallons. Rated for: 4500 square feet. Needs regular cleaning to stay hygienic.

#8 · Rated room size: 4500 square feet

Removes: 90 pints per day. Bucket: 2.11 gallons. Rated for: 4500 square feet. Needs regular cleaning to stay hygienic.

How to choose between them

Seal the crawl space first: a vapor barrier on the ground and closed vents. A dehumidifier in an open crawl space dries the outdoors.

Crawl space units run continuously and drain by hose or pump; check the warranty, since replacing one means crawling back in.

Rankings follow the rule and order stated above, using makers' published specifications and listed prices. How we research · Disclosure