The Real Cost of Budget Crawl Space Dehumidifiers

Stetson Howard • December 20, 2025

Why That Cheaper Unit Might Cost You Thousands More

A crawl space professional explains what happens when you cut corners on equipment

I was out in Knoxville yesterday looking at a crawl space that needed some work.


The homeowner had hired another company a couple years ago to handle their moisture issues.


They went with a lower bid, thinking they were getting a good deal.


Now they're calling me because their dehumidifier is completely dead.


Not just broken - completely non-functional.


And here's the kicker: it can't be fixed.


They need to buy a whole new unit.


That money they saved upfront?


They're about to spend it all over again, plus the cost of removal and installation.


This is something I see more often than I'd like to admit.

  • crawl space

What We Found in This Crawl Space

The equipment failure told the whole story. Someone had installed a cheap Chinese-brand dehumidifier - an AlorAir unit that cost over a thousand dollars new. After just two years, it quit working entirely.



But the problems went deeper than just the failed unit:


The crawl space itself wasn't properly sealed. They'd done what some companies call a "partial encapsulation" - basically just sealed off the vents and threw down a vapor barrier. The barrier was cut and overlapped all over the place, not sealed properly.


Without a proper seal, dirt and debris kept getting pulled into the dehumidifier. The filter clogged up. The internal condensate pump filled with algae. And because these units aren't designed to be serviced, there was no way to properly maintain it.


Even if the homeowner had tried to keep up with maintenance, they would have had to completely tear down the dehumidifier just to clean the condensate pump. Most service techs won't even touch these brands.

White crawl space with vapor barrier on floor and walls; ductwork and wires visible.
Crawlspace coated in a light gray substance, with white walls and exposed wooden beams above.
Crawl space with white vapor barrier on the ground, insulation overhead, and black flexible ducting.
A long, white-walled basement under construction, with overhead lighting and plastic sheeting on the floor.

Why Budget Dehumidifiers Fail Faster

Here's what most homeowners don't understand about crawl space dehumidifiers: they work hard. They run constantly in humid conditions, pulling moisture out of the air day after day.



Cheap units aren't built for this kind of continuous use. They use internal condensate pumps that sound good on paper but create major problems in practice. As the dehumidifier pulls moisture from the air, algae starts growing in the pump. Over time, it clogs everything up.


With quality equipment, you can access and clean these components. With budget brands, the pump is buried inside the unit. You literally have to disassemble the entire dehumidifier to service it - and most of these units aren't even designed to be taken apart and put back together.


Add in a crawl space that isn't properly sealed, and you're asking that cheap dehumidifier to work even harder while dealing with constant dirt and debris. It's a recipe for failure.

The Difference Quality Equipment Makes

When we install dehumidifiers, we use brands like AprilAire. They cost more upfront, and I'm not going to pretend otherwise. But there's a reason we stand behind them.



These units are built to be serviced. When something needs attention, a technician can actually get to it. Parts are available. Local HVAC professionals know how to work on them. You're not stuck with a thousand-pound paperweight when something goes wrong.


Quality dehumidifiers also handle the demands of crawl space environments better. They're designed for continuous operation. Their components are built to last. And when they do need maintenance, it's straightforward - not a complete teardown.


Most importantly, these brands back their equipment with real warranties. Not just a piece of paper, but actual support when you need it.

crawl space

What to Look for Beyond the Price Tag

If you're getting quotes for crawl space work, don't just compare the bottom line. Ask about the equipment they're installing:



What brand of dehumidifier are they using? Can it be serviced locally? What happens if something goes wrong? Is the warranty actually backed by the company doing the work?


Watch out for brands you've never heard of, especially if they're significantly cheaper than established names. There's usually a reason for that price difference.


Also ask about the installation itself. A great dehumidifier in a poorly sealed crawl space is still going to struggle. Make sure the company is doing complete work, not cutting corners to hit a lower price point.

Getting Real Value from Your Investment

Look, I'm not here to tell you that you need to spend the most money possible on your crawl space. But I am telling you that the cheapest option rarely saves you money in the long run.



We use quality brands because we have to stand behind our work. When we install an AprilAire dehumidifier, I know it's going to perform. I know it can be serviced. I know that if something goes wrong in five years, we can actually help you fix it.


That's why we're not the cheapest company out there. We're also not the most expensive. We're somewhere in the middle because we balance quality equipment with fair pricing. And we actually show up when you need warranty work done.


Your crawl space is an investment in your home's health and your family's comfort. Cutting corners on equipment means you'll be making that investment twice. Sometimes three times if you keep chasing the lowest bid.


The best value comes from doing it right the first time with equipment that lasts and companies that service what they install.

  • crawl space

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