Crawl Space Dehumidifiers

Crawl spaces, while they may have less cubic feet due to the lower ceiling height are actually harder to dehumidify and require more airflow. Why? Because it is harder and takes more air pressure to circulate air throughout the crawlspace due to the low ceiling. We recommend approximately twice the airflow when sizing up a dehumidifier for a crawl space. Any vent windows should be closed so the outside air does not come in to add moisture. Finally, if your crawlspace has a dirt floor, we recommend you use a vapor barrier to reduce the moisture from evaporating continually from the ground. This is why a good crawl space dehumidifier costs more than an average home dehumidifier.