About 443,000 results
Open links in new tab
  1. What Should Humidity Be in a Crawl Space

    Most of us use relative humidity as a guide to determine the health of your crawl space, but there is way more to it. Grains per moisture (GPM) is the best and most accurate way to determine if your home …

  2. Ideal crawl space humidity level and how to maintain it

    Aug 1, 2025 · Your crawl space dehumidifier should have a programmable humidity level and a humidistat to measure the humidity and turn the appliance on and off as needed. You should keep …

  3. What’s The Best Crawl Space Humidity Level? - Lee Company

    Jun 24, 2025 · Learn how to control crawl space humidity, prevent mold, and protect your home's structure with expert tips for the Southeast.

  4. What Causes High Humidity in a Crawl Space? - Engineer Fix

    Dec 9, 2025 · Stop crawl space moisture damage. We detail the causes, diagnosis, and steps for permanent control, from sealing vents to full encapsulation.

  5. Crawl Space Humidity: Ideal Levels, Damage Risks and Fixes

    To control the higher humidity in the crawlspace, you should install a vapor barrier, use a dehumidifier, seal the crawlspace vents, improve the exterior drainage system, and add a ventilation fan in the …

  6. What Is Ideal Crawl Space Humidity Level To Prevent Mold?

    Dec 10, 2025 · Experts recommend keeping crawl space humidity levels below 50% year-round. Anything higher creates conditions for mould growth, wood rot, and poor indoor air quality that can …

  7. Effective Strategies to Lower Humidity in Crawl Spaces

    May 14, 2025 · Homeowners can make their crawl spaces dry and energy efficient by understanding the mechanisms behind moisture intrusion, employing dehumidification systems, and applying proper …