7 Best Mini Dehumidifiers (2021 Reviews)


Temperature Master is an Amazon Associate. As an Amazon Associate we earn from qualifying purchases. We may also earn commissions if you purchase products from other retailers after clicking on a link from our site.

Dehumidifiers can make a world of difference, especially if you live in a hot climate. Nothing’s worse than warm humidity in the air, but thankfully, you can take care of the issue with a mini dehumidifier. You don’t need the biggest model if you’re using it in a small room. Today, I’ll break down the best options at your disposal.

The best mini dehumidifier is the KTPOWER Electric Mini Dehumidifier. It has a 27-ounce tank that can absorb up to 9 ounces of water per day. You’ll also enjoy the quiet 35dB noise output that’s not much louder than a whisper. Despite the small size, this dehumidifier works 280 square foot spaces.

Throughout this article, you’ll also learn the following information about the best mini dehumidifiers:

  • How you can choose a dehumidifier for your home, office, or vehicle
  • What you need to keep an eye out for during the buying process
  • The seven best mini dehumidifiers available

What to Look For When Getting a New Mini Dehumidifier

There’s no doubt that most of the dehumidifiers that you’ll find will do a good job. They’re designed to cut down on the moisture in the air, but that doesn’t mean that they’re effective enough to make a big difference. Here are the three factors to consider when you’re shopping for one:

  1. How many square feet can it handle?
  2. What powers the unit?
  3. How big is the water tank?

Once you have the answers to these questions, you can make the final decision. I’ll explain the details of each of them below.

Square Footage

Square footage is one of the most important components of a dehumidifier. It shows you how well it can perform under high amounts of stress. When there’s a lot of moisture in the air, you need a dehumidifier to handle the heat (or moisture, in this case). Keep in mind that the square footage is reduced when there’s more humidity.

Super Restoration points out that mold can grow in as little as 24 hours. If you’re worried about closets, bathrooms, bedroom, drawers, and other small spaces getting covered in spores, then you’ll need to get the correct size. As you read above, the square footage is adjusted based on the air’s humidity, so try to find something a bit higher than your needs.

For example, if you’re keeping a living room dry (or at least free of mold), then you’ll need a mid-sized dehumidifier. Fortunately, the mini dehumidifiers on the list below will be more than enough to take on the challenge.

The National Association of Home Builders states that the average house less than 2,000 sq. ft. has a 256 sq. ft. living room. It explains that most laundry rooms are 67 sq. ft. Most pantries are 17 sq. ft. These three areas get the most foot traffic and produce high moisture.

Power Source

Equally as important as the square footage of a dehumidifier is the power source. What makes it tick? Some units use 120V outlets, whereas others require batteries. It’s up to you to decide which option is the most convenient. Remember that a plug-in dehumidifier will increase your monthly energy bill, but batteries aren’t cheap these days.

Another interesting choice that you’ll find in the list is rechargeable beads. Silica beads are used to absorb water in the air. It’s one of the most useful substances for humidity, which is why it’s used in everything from food packaging to clothing. You can use silica to cut down on water without requiring much energy.

If you’re using the dehumidifier in an RV, it’s worth mentioning that you can use solar power. Install the panels on the roof, run the wires through the cabinets, and plug them into the dehumidifier. Nothing beats free energy from the sun while removing moisture!

While some people prefer to use solar panels for in-home dehumidifiers, it can be annoying and limiting. Solar power shouldn’t be discounted as a viable energy source, but you’ll have to keep the dehumidifier stationary. If you’re okay with that, then you might be interested in getting a budget-friendly solar system.

These three to four power sources (depending on if you count silica beads) are the best options. You could weigh the convenience and portability of battery-powered units vs. the undeniable never-ending energy source of a wall outlet (assuming your power doesn’t get cut by your energy provider).

The first thing that comes to mind when you think of power supplies is the cost. Before anything else is discussed, think about how much you’ll have to pay on your electricity bill compared to the price of buying batteries. Rechargeable batteries are another option, though they tend to be a bit more expensive.

According to Electric Rate, the average full-house dehumidifier uses 280 watts per hour. The mini dehumidifiers on this list use between 20w to 50w.

Tank Size

Last but not least, consider the size of the tank. How much water can it absorb before it has to be emptied? What’s the daily capacity? Some dehumidifiers have massive water tanks, but they can’t absorb enough water to make it worth the investment. Never assume that the tank’s capacity overshadows the absorption rate.

There’s no doubt that you’d get a bigger tank with a full-house dehumidifier. However, you saw the energy consumption mentioned earlier in the article. If the price difference isn’t worth the trade-off, then you should be a smaller tank. Emptying a mini dehumidifier takes a few seconds, and you only have to do it once every couple of days.

Bigger tanks are capable of holding more water, but they’re heavier to handle. If you’re suffering from joint and muscle pain, then you should consider that water weighs eight pounds per gallon. One gallon is 128 ounces, so keep that in mind when you’re reviewing the best mini dehumidifiers that I’ve found.

Our Top Picks

Best Overall: KTPOWER Electric Dehumidifier

If you’re not into lists and want to get the best pick, try the KTPOWER Electric Dehumidifier. It works for spaces up to 280 square feet, making it one of the most space-efficient and energy-efficient dehumidifiers on the market. The 27-ounce tank can be removed instantly to empty it.

If you want a little bit more tank size, then you could choose the 68-ounce model. It uses a little bit more power, but there’s no denying the convenience. At 68 ounces, it’s a little bit more than four pounds. The company claims that both models work best between 50 to 90 degrees Fahrenheit.

The LED lights on the front of the unit tell you when it’s full, empty, or half-full. You can use this indicator to determine when it’s time to remove the water tank. Pull it out, open the lid, and dump the water. After that, you can slide the tank back into the bottom of the dehumidifier to achieve a secure hold.

Bottom Line: This mini dehumidifier has all-around excellent features that make it a top choice for hundreds of customers. It’s reliable, long-lasting, and easy to use. There’s no need for a big tank if you’re using it in a small room or office.

Water Tank Size27 ounces
Absorption Rate9 ounces per day
Power Source240V
Temperature Range50 to 90 degrees F

Pros

  • It’s relatively quiet. The company states that it only goes up to 35 dB, which is considerably quieter than most dehumidifiers.
  • The temperature range is significant. Moisture is much more dangerous when it’s warmer, so it’s good that it can function up to 90 degrees.
  • The large water tank is another useful feature. You can choose between two sizes to find out which one best suits your needs.
  • It works well up to 80% RH (relative humidity). Use this product in places like the swamps of Georgia or the humid coast without a problem.

Cons

  • You can’t make any adjustments. There’s no fan or RH setting, so you’ll have to deal with the provided levels.
  • The water tank is made of plastic. Make sure you don’t bump it against any corners or walls when you’re emptying it.

Best for Small Spaces: DEERMA Small Dehumidifier

Next up on the list is the DEERMA Small Dehumidifier. It’s proof that you don’t need a water tank to pull humidity from the air. This unit uses silica beads to absorb water, saving you from having to lug around a big tank. Furthermore, it only weighs 1.6 pounds and measures 8.11 x 2.95 x 2.95 inches.

You’re probably wondering how you get rid of the water in the dehumidifier. All you have to do is dry the silica beads. It comes with a plug that recharges it in 12 to 15 hours, which isn’t too long if you’re using it for dresser drawers, closets, pantries, and other small areas.

You might be worried that 15 hours is a long time to wait, and you wouldn’t be wrong if you had to do it every day. However, this model can absorb moisture for two weeks before it has to be recharged. This statistic makes it one of the most efficient choices that you’ll come across.

Bottom Line: If you’re looking for a solution to keep moisture out of tiny areas around your home or vehicle, this unit might be the best choice for you. It lasts for many days or weeks before you have to remove the moisture. Toss it in the space and forget about the maintenance other than the recommended charging time.

Water Tank Size150 cm squared
Absorption RateVaries (typically less than one ounce/day)
Power SourceSilica Beads
Temperature Range40+ degrees F

Pros

  • This is probably the most convenient dehumidifier on the list. If you’re only looking to remove moisture from a drawer or cabinet, then this model is an excellent option.
  • You don’t have to empty a water tank. Instead, all you have to do is recharge the silica beads every couple of weeks.
  • It works at almost any temperature. There’s no need to worry about this dehumidifier overheating.
  • It’s virtually silent. If noise is a concern, then you’ll love the lack of it from this unit.

Cons

  • The absorption rate is very low. Silica beads can pull a lot of water, but not much more than an ounce per day.
  • The recharge time can be a huge turn-off for some buyers. 12 to 15 hours is a long time to wait to reuse a dehumidifier.

Best for Low Noise Output: Hysure Dehumidifier

For a 120V plug-in option, the Hysure Dehumidifier is incredibly quiet. It only puts out 33dB, making it less than the volume of a whisper. A lot of dehumidifiers are notorious for being noisy. They often put off the sound of a white noise maker or a floor fan, but this one uses self-cooling fans to reduce the sound and prevent overheating.

The water tank is stored underneath the rest of the unit. It can hold 700mL of water, which is about the same as the KTPOWER model. However, this dehumidifier can pull up to 15 ounces of water from the air; Nearly twice as much as the best overall option. The only reason that it’s not #1 is that it doesn’t work well past 86 degrees Fahrenheit.

When you’re ready to drain the tank, you have two options: Remove the water tank, dump it or unplug the reservoir drain. Either method will get rid of every drop, allowing you to replace the plug and tank for a new refill.

Bottom Line: From the high absorption rate to the low noise output, this dehumidifier is a top-of-the-list choice for thousands of satisfied customers. Choose from blue, white, or black, then plug it in and watch the magic happen.

Water Tank Size24 ounces
Absorption Rate15 ounces per day
Power Source120V
Temperature Range46.4 to 86 degrees F

Pros

  • It has a sleek design. At 6.4 x 4.2 x 10.5 inches, it’s relatively thin and easy to handle.
  • You can absorb quite a bit of moisture from the air. It’s near twice the rate of the best mini dehumidifier on the list.
  • This unit is as quiet as it gets for electric dehumidifiers. It only puts out 33dB.
  • It shuts off automatically. You don’t have to worry about it overfilling since there’s a switch that turns it off when it’s full.

Cons

  • The drain plug can become loose if you are too rough with it. Make sure you’re gently placing it back after each use to prevent leaks.
  • The high temperature limit of 86 degrees F is a bit limiting for some climates.

Best for Energy Efficiency: Pohl Schmitt Mini Dehumidifier

Do you prefer electric dehumidifiers, but you don’t want to have to spend an arm and a leg? We’re in the middle of an energy crisis, so it’s crucial to find efficient products, such as the Pohl Schmitt Mini Dehumidifier. Using this model only costs 21 watts per hour, making it just a tad more efficient than the best overall.

It comes with a 17-ounce water tank that should be refilled once every couple of days. Despite the small tank size, it can pull about 10 ounces per day under optimal conditions. Remember that the relative humidity, temperature, and proper placement can influence the functionality of any dehumidifier.

This model doesn’t have a compressor, which is a significant reason that it’s super quiet. It also has an auto-shutoff switch that turns off the unit when it hits max capacity. It’s not going to leak, overfill, or condensate.

Bottom Line: If you want to cut back on your energy consumption without sacrificing high-performance value, the Pohl Schmitt Mini Dehumidifier should be at the top of your list. It’s transparent, so you can see everything going on and watch the absorption rate climb.

Water Tank Size17 ounces
Absorption Rate10 ounces per day
Power Source120V
Temperature Range40 to 90 degrees F

Pros

  • It’s compact enough to fit in any room. You might not be able to toss it into a drawer, but it’s suitable for laundry rooms, living rooms, bathrooms, and more.
  • There’s a decent absorption rate. As mentioned above, 10 ounces per day is a reasonably competitive number.
  • It’s quiet enough to use when you’re sleeping. The sound output is whisper-quiet.

Cons

  • The tank can be overwhelmed quickly. At the claimed absorption rate, you’ll have to empty it every 1.5 days or more.

Best for Bedrooms: InvisiPure Hydrowave Dehumidifier

Mini dehumidifiers cover a broad range of rooms and small spaces, but you shouldn’t get one that’s too small to handle a bedroom. The InvisiPure Hydrowave is a beautifully-designed dehumidifier that’s 9.8 x 6.1 x 13.9 inches. It can remove moisture from a 300 square foot room, making it ideal for bedrooms, living rooms, and more.

The large water tank is 64 ounces, making it one of the biggest tanks for mini dehumidifiers. It can pull about 27 ounces of water from the air per day during optimal conditions. The company claims that the best working environment for this dehumidifier is 86 degrees F at 80% relative humidity.

One of the best features of this unit is that it has a drainage hose. There’s no need to pick up the tank and carry it around the house, worrying about spills along the way. Instead, you can attach a hose to the tank and let it drain anywhere in the area. Consider using a garden hose for the best length.

Bottom Line: This mini dehumidifier has it all; The massive tank and the drainage space take it a step further from the competition. It might be a bit bulky, but that’s a sacrifice that many customers are willing to make for a bigger square footage capacity.

Water Tank Size64 ounces
Absorption Rate27 ounces per day
Power Source120V
Temperature Range40 to 86 degrees F

Pros

  • The water tank is the biggest on the list. If you want more power from your mini dehumidifier, then you’ll enjoy the size.
  • It’s compact but big enough to handle most rooms. Whether you’re using it for a class A RV or a living room, you’ll be able to rely on this model.
  • It comes with a one-year warranty and lifetime customer support. If anything goes wrong, InvisiPure will lend you a helping hand.

Cons

  • It’s far too bulky for people who want a small dehumidifier. While it falls into the ‘mini’ category, you won’t be able to leave it in a pantry or cubby.

Best for Low-Maintenance: Eva-Dry Wireless Mini Dehumidifier

Another company that excels in the niche is Eva-Dry. Their Wireless Mini Dehumidifier uses silica beads, but you can check out the electric version in the next section. Much like the DEERMA dehumidifier, this one can be used in closets, drawers, cubbies, and many other small spaces.

It’s worth mentioning that this unit is designed to be hung on a wall. It has to be recharged to remove moisture from the silica beads, allowing it to be used again. It can absorb up to 6 ounces of water over 20 days or so, so keep that in mind if you live in a humid environment.

To recharge this dehumidifier, use the plug on the backside. It tucks into the design, allowing it to sit flush against a wall. Plug the dehumidifier into a wall outlet and watch the moisture indicator drop until it’s empty.

Bottom Line: This dehumidifier cuts back on the maintenance of most others by using silica beads. It might not absorb gallons of water every month, but it’s ideal for small spaces that have a bit of humidity.

Water Tank Size6 ounces
Absorption Rate6 ounces per 20 days
Power SourceSilica beads
Temperature Range40+ degrees F

Best Tank Size for a Mini Dehumidifier: Eva-Dry Electric Petite Dehumidifier

The Eva-Dry Electric Petite Dehumidifier has a 16-ounce water tank. It’s not the biggest on the list (that award belongs to the InvisiPure Hydrowave), but it’s far more convenient. Most people don’t want a large water tank on a mini dehumidifier. This model is very similar to the best overall mention, but it’s slightly less efficient.

It’s hard not to put this unit on the list because it’s durable, long-lasting, and easy to use. It only weighs one pound, and it uses one more watt per hour than the most energy-efficient model on the list (this one uses 22 watts per hour).

There’s an LED indicator light that shows you when it’s time to empty the tank. It shuts off automatically to prevent leaks and overflows, but it’s worth emptying when the light turns red. You’ll also enjoy the air filter that removes dust, mold spores, and debris from the tank to keep it clean.

Bottom Line: The Eva-Dry Electric Petite Dehumidifier is an excellent option for people who want clean air without too much humidity. It’s very energy-efficient and easy to use, and you can’t forget about the LED light.

Water Tank Size16 ounces
Absorption Rate8 ounces per day
Power Source120V
Temperature Range45 to 90 degrees F

Pros

  • It’s compact enough to fit almost anywhere. The dimensions are 6.5 x 8.5 x 5.3 inches.
  • The air filter cleans the room. You don’t have to deal with mold, mildew, or bacteria.
  • It only uses 22 watts per hour. If energy efficiency is a concern, then you’ll be more than satisfied.
  • The small design only weighs one pound. Almost anyone can carry it around, even with 16 ounces of water in the tank.

Cons

  • It’s quite loud. At 50.9dB, it’s one of the loudest models on the list. However, it’s not much noisier than a floor fan.
  • It’s made by a reliable company. Eva-Dry has been making dehumidifiers for quite some time. Countless customers have used their products, including this one.

Conclusion

Now that you’ve seen all of the best mini dehumidifiers, it’s time to make your final decision. Personally, the KTPOWER Mini Dehumidifier takes the cake. It has all of the bells and whistles combined with a high square footage capability.

Consider the following circumstances before getting one of them:

  • If you’re dealing with a small space, try the DEERMA Mini Dehumidifier.
  • To cut back on the noise output, I suggest the Hysure Dehumidifier.
  • For the best energy savings, get the Pohl Schmitt Mini Dehumidifier.
  • The InvisiPure Hydrowave Dehumidifier is the winner for small bedrooms.
  • To reduce maintenance and repairs, try the Eva-Dry Wireless Mini Dehumidifier.
  • The Eva-Dry Electric Petite Dehumidifier is the best if you want a good tank size.

Check out the KTPOWER Mini Dehumidifier on Amazon here!

Alanna Greene

Alanna is an avid traveler who lives in Michigan. In addition to writing for Temperature Master, she also sells crafts on Etsy and takes long walks through the forests near her home.

Recent Posts