8 Common Reasons Your Dehumidifier is Not Collecting Water

You've got a dehumidifier that's not doing its job - not a drop of water in sight, even though it's humming away. This could be a big deal, especially considering how vital these devices are in keeping our homes from turning into moldy, moisture-laden environments.

Let's face it, a dehumidifier that's not sucking up water is as good as a chocolate teapot. High humidity isn't just uncomfortable, it's a magnet for allergens and creepy crawlies like dust mites.

Plus, it's rough on your house and belongings. Ensuring your dehumidifier works well isn't just about comfort; it's about protecting your health and home.

So, understanding why your dehumidifier is slacking is step one in getting things back on track.

Why is the Dehumidifier Not Collecting Water

why is the dehumidifier not collecting water

There are several reasons why your dehumidifier might not be collecting water. Here, we'll tackle the most common issues.

1. Float Switch Issues

Think your dehumidifier's float switch is taking a break?

This little part is crucial; it's like a referee that calls time-out when the water tank is full. But if it gets stuck, it might think the tank's full when it's not, halting water collection. It's like having a broken fuel gauge in your car - you never really know how much is in the tank.

This switch is a nifty little gadget, working like a toilet tank's float. It bobs up with the water level, then says "stop" to the dehumidifier to prevent a waterlogged mess.

So, how can I fix a stuck float switch in my dehumidifier?

Got a stick-in-the-mud float switch? Check if it's frozen in the 'up' position. Give it a nudge and see if that gets your dehumidifier back in the game.

If it's still stuck, or if that doesn't kickstart things, it might be time to roll up your sleeves or call in a pro for a deeper look.

2. Drainage Problems

If it's not the float switch, then maybe it's the drainage system throwing a wrench in the works. Dehumidifiers need clear pipes to send that collected moisture on its way. A clog can mean a dry tank even when everything else is humming along just fine.

Clogs in the drain pipes are like traffic jams, causing a backup that stops water collection in its tracks. These blockages can be anything from dust bunnies to moldy mush, and they'll turn your dehumidifier into little more than a room ornament.

Unclogging the Way

If you've got a clogged pipe on your hands, power down your dehumidifier and take a peek. If you spot the culprit, a gentle cleaning with a pipe brush should do the trick.

Regular wipe-downs and an occasional wash with a mild detergent can keep things flowing smoothly.

3. Air Filter Troubles

Another culprit could be the air filter. This part's job is to filter out the gunk in the air so that the dehumidifier can do its thing efficiently. But a clogged filter means air can't flow, and that means moisture stays put.

This filter is a silent hero, catching all sorts of airborne riff-raff. It lets clean air kiss the coils and drop off its moisture. But when it's clogged, it's like trying to breathe through a straw - not much gets through, and the dehumidifier's water-gathering capabilities take a nosedive.

To keep your dehumidifier in top shape, show some love to the air filter. A regular vacuuming or rinse is usually enough. But like everything, filters have a shelf life. Check your manual for the 411 on when to swap it out for a fresh one.

4. Dirty Coils

Ever thought about the coils inside your dehumidifier?

When they're dirty, they can't condense moisture well, and that means a big drop in water collection. Think of it like trying to cook on a dirty stove; efficiency goes right out the window.

Dirty coils can be a real party pooper. They hinder airflow, guzzle more energy, and might even freeze over. If you ignore them for too long, you might end up with a bigger headache like compressor damage.

Therefore, regular coil cleaning is a must. Follow the manufacturer's playbook for this one, as it might need a special cleaner. Keeping these coils clean is like changing the oil in your car - essential for smooth running.

5. Malfunctioning Components

Sometimes, it's the guts of the dehumidifier that are the troublemakers. If the evaporator coils or compressor are on the fritz, it's like having a car with a busted engine - you're not going anywhere fast.

Early detection is key. Ice on the coils, even in warm weather, or a compressor that's making a racket, are SOS signals. Catching these early can save you from a bigger headache down the line.

If you're facing a broken part, it might be time to bring in the experts. For the mechanically challenged, replacing coils or a compressor is best left to the pros. Regular checks and timely replacements can keep your dehumidifier running like a well-oiled machine.

6. Electrical Issues

Then there are the times when it's an electrical gremlin causing your dehumidifier to slack. Capacitors and fan motors are often the culprits. If they're not working right, your dehumidifier is essentially running on empty.

A dehumidifier that won't start or just hums is waving a red flag. Likewise, a fan motor that's silent or noisy is crying for help. These issues need a sharp eye and a swift response.

Tackling electrical repairs is a job for those who know their way around a multimeter. It's a toss-up between repair and replace, but getting it done right is key to getting your dehumidifier back in the game.

7. Refrigerant Levels

Dehumidifiers need refrigerant to cool those coils and collect water. If the refrigerant's running low, the coils can't do their job, and your dehumidifier is just going through the motions.

When the refrigerant's down, so is your dehumidifier's game. It's like trying to make ice cream in a warm bowl; you're not going to get the results you want.

Refrigerant Recharge: Not a DIY Job

Messing with refrigerant is not for the weekend warrior. It's a job for someone who knows what they're doing, from checking for leaks to refilling the tank. Getting this right is crucial for your dehumidifier's health.

8. Size Matters

Last but not least, make sure your dehumidifier is the right size for the job. Too small, and it can't handle the moisture. Too big, and it might not run long enough to collect much water.

Getting the right size is like picking out shoes; it needs to be a perfect fit. Consider the space, humidity levels, and any extra moisture sources. Measure your room, think about the climate, and remember special areas like basements or laundry rooms. The right size means your dehumidifier can work its magic efficiently.

Final Verdict

So, there you have it. If your dehumidifier's not collecting water, check for these usual suspects: a stuck float switch, clogged drain pipes, dirty filters and coils, broken evaporator coils or compressors, electrical issues, low refrigerant, or a size mismatch. Each problem has its fix, from simple cleaning to part replacements or even resizing your unit.

Keep an eye on the float switch and tank, unclog those pipes, and give the filters and coils some TLC. Watch for signs of wear and tear on the big components, and don't ignore those electrical red flags.

Regular check-ups and maintenance can keep your dehumidifier in top-notch shape, pulling water out of the air like a champ.

By tackling these issues head-on and keeping up with maintenance, you'll have your dehumidifier back in action, keeping your home's humidity in that sweet spot.

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My name is Justin Williams. I am the founder and blogger at TheDehumidifierExperts.com (read more about us). I was an allergy sufferer and that is also the reason why I began my trek to finding the best dehumidifier for my own personal health issues. All of the dehumidifier top picks on the site were put through their paces by Lance Perez - our dehumidifier researcher. He put each one through a series of tests to see how well they performed. Then, our editorial team compiled the insights into articles and published them.

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