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What Should the Humidity Level Be in My Crawl Space?

High humidity in any environment, whether a home, basement, or crawl space, can be devastating. Generally, humidity levels in these spaces should be between 30-60 percent, with an optimum goal of 50-55 percent. At these levels, mold, wood rot, and other moisture-related issues have no chance of developing. Moreover, keeping your crawl space within the proper humidity range can also lower utility bills in your home since humid air won’t be traveling up from your crawl space.

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