Crawl Space Dehumidifier Installation in Charlotte, NC
Charlotte summers push crawl space humidity well past the level where mold and wood rot get going. A crawl-space-rated dehumidifier, drained and set correctly, keeps a sealed crawl space dry all year.
Why a Sealed Crawl Space Needs a Dehumidifier
Once a crawl space is sealed off from outside air, the moisture that still gets in (through the house above, small gaps and new building materials) has to be removed somehow. In the Carolina Piedmont, with long humid summers, a dedicated crawl space dehumidifier is the most reliable way to hold relative humidity at a safe level.
These are not the portable units sold for basements. Crawl space models are built to sit on a liner in a low space, run for years, and drain automatically to a floor drain, a sump pump basin or outside through a condensate line, so nobody has to empty a bucket.
We size the unit to the volume of your crawl space, place it where air can move, route the drain and set the humidity target. A dehumidifier is normally the last piece of a crawl space encapsulation, and we also add them to crawl spaces that already have a liner but still read damp.
- Holds crawl space humidity at a safe level through humid summers
- Automatic draining with no buckets to empty
- Protects floor framing and subfloor from slow moisture damage
- Helps keep musty air out of the rooms above
- Sized to the actual volume of your crawl space
- Works with a vapor barrier or full encapsulation
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When a Crawl Space Dehumidifier Makes Sense
- You have sealed or encapsulated the crawl space
- Humidity readings stay high even with a vapor barrier in place
- Condensation forms on ductwork or pipes in summer
- The house smells musty after rain or humid spells
- Hardwood floors swell or gap with the seasons
- You are finishing an encapsulation and want it to last
Our Process
Getting the size, placement and drain right is what keeps a dehumidifier quiet and working for years.
- 1
Measure and Assess
We measure the crawl space volume, take humidity readings and check where the unit can drain.
- 2
Size the Unit
We recommend a crawl-space-rated dehumidifier matched to the space rather than an oversized or undersized model.
- 3
Install and Drain
The unit is set on the liner, powered on a proper circuit and connected to a condensate line, drain or sump basin.
- 4
Set and Test
We set the humidity target, confirm it drains and show you how to check it.
Financing Available
Monthly payment options are available for crawl space dehumidifier installation, including crawl space work and roofing. Ask about financing when you book your free estimate and we will walk you through the options before any work starts.
Related Services
Part of our crawl space encapsulation work across the Charlotte Metro Area.
Proudly Providing the Following Services throughout the Charlotte Metro Area
Spray Foam Insulation
Crawl Space & Water Control
Frequently Asked Questions
Do I need a dehumidifier in an encapsulated crawl space?
In the Charlotte climate, usually yes. Sealing the crawl space keeps outside humidity out, but moisture still enters from the house and from small gaps, and without a way to remove it the air can stay damp. A dehumidifier (or conditioned air from the HVAC system, where the design allows it) keeps it in check.
What humidity should a crawl space be kept at?
The common target is to keep relative humidity below about 55 to 60 percent, which is below the range where mold and wood decay take hold. We set the unit and show you how to read it.
Where does the water from a crawl space dehumidifier go?
It drains automatically through a condensate line to the outside, to a floor drain or into a sump basin. We route it during installation so there is nothing to empty.
Can I use a regular dehumidifier in my crawl space?
Household units are not built for the low height, temperature range or continuous duty of a crawl space and tend to fail early. A crawl space model is designed for the job and can be serviced in place.
How much does a crawl space dehumidifier cost to run?
Running cost depends on the unit, the size of the crawl space and how well it is sealed. A well-sealed crawl space lets the dehumidifier cycle less. We can talk through expected run time at the estimate.
Is financing available for a crawl space dehumidifier?
Yes. Financing is available for crawl space work, including dehumidifiers and full encapsulation.
Charlotte Metro Service Area
If you don't see your area listed, call us at (704) 741-5560 and we'll let you know if we service your area.
Albemarle
Ballantyne
Belmont
Charlotte
Concord
Cornelius
Cramerton
Davidson
Fort Mill
Gastonia
Harrisburg
Huntersville
Indian Trail
Kannapolis
Lake Wylie
Locust
Lowell
Marshville
Marvin
Matthews
Midland
Mint Hill
Monroe
Mooresville
Mount Holly
Oakboro
Pineville
Rock Hill
Stallings
Stanley
Steele Creek
Troutman
University City
Wadesboro
Waxhaw
Weddington
Wingate
Keep Your Crawl Space Dry All Year
Free estimates on crawl space dehumidifiers across the Charlotte metro.