Crawl Space Ninja is Now Serving Knoxville, TN, Chattanooga, TN, Cookeville, TN, Kingsport, TN, Asheville, NC and London, KY

Crawl Space Humidity

Crawl space humidity can be a problem when it reaches levels of 55% or higher. Taking the proper steps to control crawl space humidity will ensure your crawl space is dry, clean, healthy and efficient.

Excessive crawl space humidity can cause mold, wood rot fungus, insects, dust mites and even high utility bills. Even hardwood flooring and other floor coverings can be affected by excessive crawl space humidity.

Free Crawl SPace Humidity Assessment
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humidity in crawl space
Free Crawl Space Humidity Assessment
  • What else do you feel would be helpful for us to know?
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"This company was one of four I considered and I CERTAINLY chose the correct one. From the beginning I felt very comfortable. They were willing to put together a solution that I was happy with using the materials I wanted. Mulu and Alex were absolutely incredible. Not only did they work so hard that I was just blown away but they were both just super people. All in all, this company far surpassed my expectations!" Mike Holberg, Knoxville TN

flooded house causing crawl space humidity

Standing Water
in Crawl Space

If your crawl space is flooding, standing water can create high levels of crawl space humidity. Flooding can come from many sources like leaking pipes, groundwater and even foundation walls.

There are many ways to address standing water. French drains or curtain drains are a great way to protect your foundation from the outside. Making sure downspouts and gutters are functioning properly is a great start as well.

Crawl space waterproofing using an interior drain system and sump pump is another way to protect your crawl space.

There is no one size fits all solution for your home. Having a professional assess the situation is always recommended to ensure you are comfortable with the solution and it fits within your budget.

Vented crawl space door allowing crawl space humidity

Addressing Outside Humidity

If you live in the Southeast, outside humidity is a serious problem, even during a drought. High outdoor humidity comes in many forms. Morning fog, passing through rain or thunderstorms and hot humid summers seem to be the main culprit for high humidity.

Many believe installing more fans or vents in the foundation wall will allow the moist air inside the crawl space to escape. The problem is if the air outside is more humid, the moist air will flow into the crawl space. Wet air chases dry air every time.

Some are suggesting conditioning the crawl space with the central heating and air conditioning unit. This can be a problem as well because you may decide to open the windows on a cooler humid day and not run the A/C. No A/C, no dry air being pumped into the crawl space.

crawl space humidity

Crawl Space Humidity Solutions

The debate may always rage about how to remove crawl space humidity and standing water. One thing is certain, done incorrectly it can cost you way more money and create potential health risks than anticipated.

We advise thousands of homeowners every year on the proper ways to handle crawl space humidity. Most are open to our time tested proven methods of addressing crawl space humidity but with all the different opinions out there, some decide to go another route.

Make sure whatever you decide to do that you use a reputable company with a solution that makes sense to you.

We hope our 40+ 5-Star Google Reviews paint a picture that we stand behind our service and want nothing more than to please our customers.

Free Crawl Space Humidity Assessment
  • What else do you feel would be helpful for us to know?