In a Georgia summer, a vented crawl space pulls in hot, humid air and holds onto it. That moisture feeds musty smells, mold, sagging insulation, and damp wood. It also rises into the rooms you live in. Mid Lakes HVAC seals and dries crawl spaces for homes across Loganville, Walton County, and East Metro Atlanta, and as an HVAC company we look at how that air affects your whole system.
Encapsulation turns an open, damp crawl space into a sealed, dry one. The vents and openings that let humid outdoor air in get closed off. A heavy vapor barrier covers the ground and runs up the foundation walls, with sealed seams. A dehumidifier then keeps the moisture level in check year-round.
The result is a crawl space that stays dry, a floor that stays warmer in winter, and less damp air moving up into your living space.
You may not go under your house often, but it usually tells you when something’s wrong:
If you’re seeing two or three of these, the crawl space is worth an inspection.
In many homes, air from the crawl space rises into the living areas, pulled up by the natural way warm air moves through a house. Whatever is down there, including humidity, odors, and mold spores, ends up in the air your family breathes and the air your HVAC system has to treat.
If your ductwork or air handler sits in the crawl space, a damp space makes it worse. Ducts sweat, insulation gets wet, and your system works harder to remove humidity it shouldn’t have to deal with in the first place.
Because we install and service heating and cooling systems, we can size the crawl space dehumidifier correctly and check that ducts under the house are sealed. We also make sure the new setup works with your existing system instead of against it.
These two terms get mixed up a lot, and they are not the same job.
A sheet of plastic laid over the dirt. It slows ground moisture, but the vents stay open, humid outdoor air keeps coming in, and thin plastic tears easily.
Seals the whole space: a heavier liner over the floor and up the walls, sealed seams, vents and openings closed off, and a dehumidifier to control what’s left. It costs more up front, but it actually solves the humidity problem instead of slowing part of it.
We’ll tell you which one fits your home and budget after we’ve seen the space.
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We go under the house, take moisture readings, and check for standing water, damaged insulation, wood moisture, ductwork condition, and how outdoor air is getting in.
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You get a written estimate that explains what we found and what the job includes. Estimates are free.
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We clear debris and address the issues that have to be fixed before sealing, such as loose insulation or water entry points.
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We close off vents and openings and install the vapor barrier across the ground and up the foundation walls, sealing every seam.
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We install a dehumidifier sized for the space and confirm it’s running at the right setting.
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We take new moisture readings, walk you through the finished space, and show you what to keep an eye on.
A dry crawl space is one piece of a comfortable, efficient home. Many homeowners pair encapsulation with attic insulation, which covers the top and bottom of the house. Others start with humidity control or an HVAC tune-up to get the whole system working together.
Attic insulation · Humidity control and air quality · Air conditioning services · Heating services
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We understand how crawl space air affects your ductwork, equipment, and indoor comfort, and we size the dehumidifier with that in mind.
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NATE and EPA 608 certified, licensed in Georgia (License #CR108663) and fully insured.
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We stand behind our workmanship on every job.
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Inspections come with a free written estimate. Through Service Finance Company, projects over $3,000 can qualify for 0% financing options, with terms that vary.
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We’re based in Loganville and work on homes like yours every week.
Based in Loganville, we serve homeowners in Gwinnett, Walton, DeKalb, Rockdale, Newton, Athens-Clarke, Oconee, Morgan, Jasper, Greene, and Putnam counties, including Snellville, Monroe, Grayson, Lawrenceville, Winder, Social Circle, and Madison.
It depends on the size of the crawl space, its current condition, and whether there’s water or damage to fix first. We give a free written estimate after inspecting the space, and financing is available on projects over $3,000.
For many homes in our area, yes. Georgia’s long, humid summers make vented crawl spaces one of the main sources of moisture in a house. Sealing it reduces musty odors and the risk of mold and wood damage, and it takes humidity load off your AC.
In most Georgia homes, yes. Sealing the space keeps outdoor humidity out, but some moisture still comes from the ground and the house itself. A properly sized dehumidifier keeps the crawl space consistently dry.
It can. A dry, sealed crawl space means less humid air reaching your living space and less work for your AC. Floors stay warmer in winter, too. Results depend on the home, so we won’t promise a specific number.
No. Water coming in from outside has to be addressed before the space is sealed. If we find standing water during the inspection, we’ll explain what needs to happen first.
It can, which is why it’s worth checking with your pest control company before the work begins. Many require an inspection gap along the foundation wall so they can keep checking for termites. We’ll plan around their requirements.
You don’t need to crawl under the house to figure out what’s wrong. Tell us what you’re noticing upstairs, and we’ll inspect the space, explain what we find, and give you a clear price before any work begins.
