Humid Crawl Space
Historically, it was believed that crawl spaces allowed for natural airflow. However, it has been discovered that vented crawl spaces are susceptible to moisture problems and mold growth and aren’t as energy efficient as once believed.
Therefore, crawl space waterproofing, repair, and encapsulation have become necessary to overcome crawl space high humidity and moisture problems.
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How do I know if my crawl space has high humidity?
You can detect high humidity in a crawl space using a hygrometer or relative humidity sensor. Signs of excess moisture may also include a damp or musty smell, visible condensation on surfaces, or a general feeling of dampness when you enter. If the relative humidity in the crawl spaces is above 60%, your crawl space likely has a humidity problem that needs attention.
How do I manage high humidity in my crawl space?
The best solution is to install a dehumidifier paired with an encapsulation. Without sealing off the crawl space the best you can first, the dehumidifier will have to work too hard, because there will be an ever-present source of fresh damp air flowing in from the ground, vents, and cracks in the foundation.
What is a crawl space dehumidifier?
A dehumidifier is a device that processes the air in a crawlspace, removing wet or humid air and replacing it with dry air. This reduces the risk of mold growth and wood rot, improving the home’s air quality, safety, and overall home’s value.
What type of dehumidifier does Dry Otter install?
Dry Otter currently installs AprilAire products. The Aprilaire E100 is commonly used. It’s energy-efficient, long-lasting, and manufactured in the U.S.
What is the warranty on a dehumidifier installed by Dry Otter?
How much maintenance does a dehumidifier need?
Dehumidifiers are self-contained units requiring minimal maintenance. Dry Otter recommends periodic maintenance to clean or replace the filter and test functionality through our annual maintenance program.
What are the benefits of a dehumidifier?
A dehumidifier will manage crawl space high humidity and moisture, which means less risk of mold, mildew, poor air quality, and wood rot. They filter allergens and provide dryer air for your HVAC system, helping with its efficiency as it allows for comfortable air for your home.
What Our Customers Are Saying
EXCELLENT Based on 414 reviews Posted on Reg KingTrustindex verifies that the original source of the review is Google. We needed to have our crawl space "updated" in order to feel good about handing over the home to a new owner after 38 years! The service prior to the sale was thorough, informative and substantiated the costs of each part of the process. When the crew arrived on-site they were prompt, held a consistent clean work area, did a very neat "top drawer" job! Most of all they respected all of our property which is very important when bringing in outside agents! We appreciate the ownership and the young men who completed the work.Posted on David DouglasTrustindex verifies that the original source of the review is Google. Trey Moore, a Dry Otter tech came to our house on 6/3/26 for an annual review. He was punctual, courteous, and thorough.Posted on Joyce KluttzTrustindex verifies that the original source of the review is Google. We had an excellent experience with everyone who worked under our house. The initial inspection done by Mike revealed many things we didn't know, and the report was presented in a way I could understand. The drainage system was done first and fast, followed by a goodly amount of joist and sill repair, professionally done. The encapsulation was done by William and Josh, who did great work and made several trips to our house to make sure we were satisfied. It looks good under there. The new electric lights and switches will make future drain cleaning and pest inspections much easier than before.Posted on Donald NewmanTrustindex verifies that the original source of the review is Google. Outstanding performance. Arrived on time and worked all day. Completed encapsulation on time. Price was competitive. John, Corey, Desmond, Adam, Trey and Patrick were very professional and maintained communications with me. Always knew the status of the project. Great crew all around. Highly recommend Dry Otter for the Denver Area encapsulation. Crawlspace is great.Posted on ScottTrustindex verifies that the original source of the review is Google. Dry Otter has provided me with excellent, professional service since reaching out to them to upgrade my crawl space. Their competent service and technical expertise was always helpful. Also, their response to any questions or help was always met in a very timely manner. I want to call out specifically Adam, Trey, and Heather for all the assistance they provided. They went "above and beyond". I would recommend Dry Otter (and have numerous times) to anyone needing help with waterproofing services. Again, thank you Adam, Trey, and Heather...Posted on Damien KalacTrustindex verifies that the original source of the review is Google. Both Will & Josh were great installing vapor barrier for my crawl space. Efficient, knowledgeable and friendly. Highly recommend.Posted on CJTrustindex verifies that the original source of the review is Google. Excellent experience with this company, from Mike providing a thorough free crawlspace inspection, explaining the options and services for my crawlspace issues. To the completed encapsulation project with dehumidifier….Will and Josh did an amazing job, explaining the process and open to my questions along the way! I would highly recommend this company! Thank you!Posted on KathrynTrustindex verifies that the original source of the review is Google. Contacted dry otter for installing a dehumidifier and encapsulation, they promptly scheduled an estimate and were willing to work with me about what I could accommodate in terms of budget. The service was scheduled quickly (about 2 weeks). The crew, Will and Josh (under the Denver NC location), were very communicative and let me know of their arrival time and updates through the day. They were very professional, timely, and friendly. The work completed was very professional and well done. I would 10/10 recommend them to anyone looking for crawl space services!Posted on Fran EarlTrustindex verifies that the original source of the review is Google. troy was every good , he change the battery in the monitor and answer all my




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Our process includes the following inspections:
Crawl Space Inspection:
- Moisture and Water Damage
- Mold and Fungus
- Insulation Condition
- Vapor Barrier
- Structural Issues
- High Humidity
- Condensation on Ducts
Basement Inspection:
- Water Intrusion
- Cracks and Wall Leaks
- Foundation Integrity
- Sump Pump Operation
- Mold and Mildew
- Basement Floor Cracks
- Hydrostatic Pressure
Our expert will personally visit your home and examine the issues you are having with your basement or crawl space foundation.
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