7 Best Dehumidifiers for Allergies, COPD, and Asthma (2023 Reviews) (2023)

7 Best Dehumidifiers for Allergies, COPD, and Asthma (2023 Reviews) (1)

by John Landry, BS, RRT | Updated: Jan 28, 2023

Dehumidifiers are an excellent way to clear the air of allergens, mold, and heavy, hard-to-breathe air. Installing a dehumidifier unit in frequently used or overly damp spaces can improve the air quality of the space and make for an easier time breathing.

In order to choose the best dehumidifiers for allergies, you need to find out the measurement of the room it will be used in, how large of machine you want, and how much water you want it to be able to hold. Once you answer those questions, the reviews below will help you decide the best unit for your needs.

Disclosure: Some of the links in this article are affiliate links which means, at no additional cost to you, we will earn a commission if you click through and make a purchase.

Our Top Recommended Dehumidifiers for Allergies and Breathing:

Keep reading for our more detailed reviews of the best dehumidifiers for allergies, COPD, asthma, and breathing. You can learn more about our favorites below.

Best Dehumidifiers to Purchase for Home Use:

Number one on our list of best dehumidifiers for allergies is the HomeLabs 4,500 Sq. Ft Energy Star Dehumidifier. It has a 1.8-gallon water tank capacity and can remove up to 50 pints from the air daily.

This dehumidifier features a turbo mode that, when activated, increases the fan speed for faster moisture removal. The best model for large spaces, it is ideal for rooms up to 4,500 square feet. The HomeLabs 4,500 Sq. Ft Energy Star Dehumidifier has a modern, sleek look that sets it apart from other, clunkier models. It includes a quiet fan, built-in wheels, and convenient handles.

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This dehumidifier is simple to run, you just choose the desired moisture setting, and then it will run a continuous 24-hour cycle. Once the cycle is finished, the machine will automatically shut off, and the water tank will need to be emptied.

It also has a direct hookup outlet if you would rather have continuous draining, and it only requires a ⅝” diameter garden hose with an internally threaded end.

Top Features:

  • This large model can dehumidify rooms up to 4,500 square feet.
  • It includes a 1.8-gallon water tank that can be easily taken out and emptied.
  • This dehumidifier can extract up to 50 pints of condensation from the air daily.
  • The company includes a 2-year warranty and free returns or exchanges within 30 days of the order.

The Vremi 1,500 Sq. Ft. Dehumidifier comes in at number two on our list and is perfect for medium to large-sized rooms. It can remove up to 22 pints of moisture from the air daily, and as an Energy Star certified model, it can do so with minimal energy consumption.

This dehumidifier lets you feel more comfortable, faster, with its turbo fan speed for optimum moisture removal. Designed for convenience, it includes a drain hose outlet for continuous draining, an easily removable water tub containing up to three liters of water, an easy to clean filter, built-in handles, and wheels.

It features an auto shut-off switch, auto defrost, and a memory feature that enables the machine to continue where it left off if the power goes out.

This dehumidifier is easy to use; all you need to do is choose moisture setting, let it run on its 24-hour cycle until the water tank is full, then it will automatically shut itself off.

Top Features:

  • This unit is suitable for medium to large size rooms up to 1,500 square feet.
  • It includes a drain hose outlet, a washable filter, a three-liter water tank, built-in handles, and wheels.
  • It can remove up to 22 pints of moisture from the air every day.
  • The company includes a one year warranty for the unit.

Coming in at number three on our list is the TOSOT 4,500 Sq Ft Energy Star Dehumidifier. It can remove up to 50 pints of moisture from the air daily and includes a two-gallon capacity removable water tank.

This dehumidifier is Energy Star certified and will effectively make your home more comfortable while using less energy. Touted as one of the quieter models, this unit operates at 48, 50, and 52 decibels on its low, medium, and high settings. This dehumidifier includes a washable air filter, a drain hose outlet, a power outage restart, and a real-time monitoring feature.

(Video) Top 3 Humidifiers to Buy in 2023 🎯

Top Features:

  • This unit is Energy Star accredited and will quickly remove moisture from the air without raising your utility bill.
  • It has a two-gallon capacity water tank and can remove up to 50 pints of water from the air daily.
  • This one comes with a one year warranty.

The Waykar 40 Pint Dehumidifier for Home Use comes in at number four on our list. This unit will work best for rooms up to 2,000 square feet and can remove up to five-gallons of moisture from the air daily. With this dehumidifier, you can control the amount of humidity in the room from 30% to 85%, and it’s easy to maintain.

This unit features a drain outlet, a timer with a 24-hour setting, humidity auto control, a two-speed fan setting, and an automatic shut-off. It comes with a washable air filter, a drain hose to attach to the drain outlet, 360* wheels, and an ergonomic lift handle on the top.

Top Features:

  • This dehumidifier can remove five-gallons of moisture from up to a 2,000 square feet room.
  • It contains a 0.66-gallon water tank and a full tank alarm that sounds when the tank needs to be emptied.
  • The company includes a 30-day money-back guarantee and a one year warranty with lifetime tech support.

Number five on our list is the Kesnos 70-pint Dehumidifier for Allergies. This dehumidifier works in spaces up to 4,500 square feet with the ability to extract 70 pints of condensation out of the air every day.

This unit features an intelligent touch control with a precise humidity level readout. It includes a 24-hour timer function, two fan speeds, and auto control for humidity levels that allow you to set the moisture setting you want, and the machine will run until it reaches that range. There are two drainage settings for this unit.

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One is an auto drain that uses the 6.56 feet drain hose included. The other is the manual drain that utilizes the full bucket indicator while automatically shutting off until the 1.18-gallon tank is emptied.

Top Features:

  • This unit is best used in rooms up to 4,500 square feet and pull 70 pints of moisture out of the air each day.
  • The water tank can hold up to 1.18 gallons of water, and an indicator light will flash when it is full.
  • A 30-day money-back guarantee and a one year warranty are included with the purchase from the company.

Coming in at number six on our list is the Shinco 5,000 Sq. Ft. Dehumidifier with Pump. This unit can remove 70 pints of moisture from a large room. It is Energy Star certified, so it is guaranteed to do its job with very little energy consumption. As a quieter model, this unit only reaches 48 decibels on its highest setting.

Its removable water tank can hold seven liters of water. With its continuous drain option, as opposed to many other dehumidifiers that use gravity, this unit utilizes a pump for ease of placement. With a pump, water can be drained not just downward but also sideways and vertically.

Top Features:

  • The company includes a one year warranty with purchase.
  • A pump is utilized with the continuous drain allows the unit to be placed anywhere.
  • It includes a water tank that holds up to seven liters, a washable air filter, and a user-friendly display.

Our last dehumidifier is the compact Pro Breeze Electric Mini Dehumidifier. This unit is perfect for small rooms and offices up to 150 square feet. An energy-efficient option, this dehumidifier only uses 0.55 kW total while running for 24-hours straight.

The included removable tank can hold 16-ounces of water while the machine is able to absorb up to nine ounces of water a day. When the tank is full, the unit will automatically turn off, and the full sensor LED light will switch on. It includes Peltier Ultra-Quiet Technology and Thermo-electric cooling.

(Video) 8 Best Humidifier for Asthma – Top Picks and Reviews

Top Features:

  • Compact and lightweight, it comes in at 2.5 pounds and 8.5 inches tall, and 6 inches wide.
  • It is able to run for 24-hours with only using 0.55 kW of energy.
  • The company offers a one year warranty that is included.

Final Thoughts

Finding the best dehumidifier to fit your needs, with so many on the market and in such a wide array of price points, can make the process seem daunting at first. But the freedom that comes with breathing better is worth the bit of work that must be done.

Hopefully, this guide can help make that process much easier for you. Thank you so much for reading and as always, breathe easy my friend.

Written by:

John Landry, BS, RRT

John Landry is a registered respiratory therapist from Memphis, TN, and has a bachelor's degree in kinesiology. He enjoys using evidence-based research to help others breathe easier and live a healthier life.

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What is the number 1 dehumidifier? ›

We selected the TOSOT 20 Pint 1,500 Sq Ft Dehumidifier as our best overall pick because it works for a variety of spaces and can remove a whopping 2.5 gallons of water from the air each day. Plus, it has plenty of features that make it easy to set up and program, including a moisture setting between 35 and 80 percent.

Is a dehumidifier good for asthma and allergies? ›

Using a dehumidifier cleans the air and reduces the number of asthma triggers through removing excess moisture in the air that is warm and humid, protecting and minimising exposure to the growth of allergens, bacteria and pollutants in the home.

What is better for allergies humidifier or dehumidifier? ›

Allergies: Humidifiers can add moisture to dry air that contains allergens and help you breathe easier by reducing sinus inflammation. They can even help with non-allergy sinus problems. Dehumidifiers can help dry excessively moist environments where allergens like dust mites and mold can thrive.

What is the best name brand in dehumidifiers? ›

At Live Science, we've put a number of devices to the test to bring you a comprehensive guide to the best dehumidifiers on the market.
  1. Frigidaire FFAP5033W1. ...
  2. HOmeLabs 1,500 sq. ...
  3. LG UD501KOG5. ...
  4. Honeywell white TP50WK Energy Star. ...
  5. GE Dehumidifier APER50LZ. ...
  6. Frigidaire FGAC5044W1.
4 days ago

How do I know which dehumidifier to buy? ›

To determine the right size dehumidifier for your area, factor in the square feet. For example, a medium humidifier is the best fit for a 2000 square foot space. If the area is extremely damp, increase the pint capacity: 500 square feet or less: a small dehumidifier with a 12-pint capacity.

Is a dehumidifier good for COPD? ›

Dehumidifiers can create a healthier environment

Lower humidity levels may also benefit people who have COPD. If you live in a naturally humid climate, a dehumidifier can also cool off your home and reduce your air conditioner use.

Is a dehumidifier or air purifier better for asthma? ›

Conclusion. Both air purifiers and dehumidifiers can help you alleviate allergy symptoms and improve the air quality in your home. Basically, it comes down to this; is the humidity in your home higher than 50%? You probably (and very likely) can benefit tremendously from a dehumidifier.

Are allergies worse in high or low humidity? ›

Indoor humidity levels are an important factor in keeping allergy symptoms at bay. If the indoor humidity is above 50%, it can encourage dust mites, cockroaches and even mold growth. These potent allergy triggers can be greatly reduced if humidity is kept below 50%.

Is a dehumidifier good for people with allergies? ›

Articles On Living With Allergies

Mold, mildew, and dust mites don't have to make you miserable. A home dehumidifier can help you breathe again. How? It can dry out your air, which keeps things that set off allergy symptoms -- called triggers -- at bay.

Is air purifier or dehumidifier better for allergies? ›

While they both have their merits, a good air purifier is the better solution when it comes to allergies. Humidifiers can alleviate symptoms and help your body cope during allergy season. Air purifiers, on the other hand, can actively remove allergens from the air you breathe at home.

What works better than a dehumidifier? ›

Which one should I buy? The humidity in most homes is between 30% and 50%. If your home is above 50% humidity then a dehumidifier is needed. However, if humidity levels are below 30%, a humidifier is needed.

What is a good affordable dehumidifier? ›

Best dehumidifiers 2023 ranking
  • MeacoDry Arete One. The best dehumidifier we've tested is just what you need in a damp crisis. ...
  • MeacoDry ABC 10L. Best cheap dehumidifier for smaller abodes. ...
  • Electriq CD12LE PRO. ...
  • Meaco 25L Ultra Low Energy Dehumidifier. ...
  • Ecoair DD122. ...
  • DeLonghi DX 10. ...
  • EcoAir DC18. ...
  • Inventor Fresh 12L/Day Dehumidifier.

Are there any quality dehumidifiers? ›

#1 – The Best Overall – Frigidaire FFAD5033W1. Simply put, the Frigidaire FFAD5033W1 is by far the best dehumidifier we've tested as of the writing of this guide in 2023. It is unequivocally the best dehumidifier on the market today.

How much does a good dehumidifier cost? ›

Small 75-pint models cost between $800 and $1,200, while slightly larger 100-pint modes cost between $1,000 and $1,400. Meanwhile, high-capacity 130-pint models cost $1,700 to $2,000. Basements over 2,500 square feet require a dehumidifier that can handle at least 100 pints of water per day.

What brand of dehumidifiers are made in the USA? ›

Designed and manufactured in the USA, an AprilAire dehumidifier comes equipped with a bold digital display and a 5-year warranty to help control excess moisture in your home.

What is the best number for dehumidifier? ›

Set the humidity level.

The optimal relative humidity level is between 30 and 50 percent, according to Energy Star (and 30 to 40 percent in colder areas during heating season). If the humidity is higher than that, it can breed dust mites, mildew, and mold, and trigger allergies.

Where is the best place to put a dehumidifier in a house? ›

You want to place your machine in an area where there is good air circulation so the unit can efficiently work. We do not recommend placing a dehumidifier directly against a wall or piece of furniture. Instead, put it at least six inches away from these vent-blocking surfaces.

Should a dehumidifier run all the time? ›

Should a Dehumidifier Run Constantly? No, your dehumidifier should not have to run constantly to regulate the air humidity. An optimal humidity level to shoot for is between 30 and 50 percent. Your dehumidifier should reach this in 8 to 12 hours.

What is important when buying a dehumidifier? ›

There are several factors you should consider when selecting your dehumidifier: The square-foot dimensions of the area you wish to dehumidify. The method you wish to use to remove the water collected by the dehumidifier (bucket/basin or pump) The energy performance of the unit.

What is best for COPD humidifier or dehumidifier? ›

Do use a humidifier. Humidifiers can be extremely helpful in eliminating the dryness in the air which can dry out the tissues in the bronchial. Moist air will help to loosen mucus making it easier to cough up.

What is the best humidity level for COPD patients? ›

Researchers have determined the ideal environmental conditions for COPD patients include an air temperature of 70 degrees and a humidity level of 40%. This combination can help airways stay relaxed, which minimizes the risk of symptoms.

What helps COPD patients breathe better? ›

5 Ways to Breathe Easier with COPD
  1. Focus on protecting your overall health. Wash your hands. ...
  2. Use oxygen therapy if you need it. Supplemental oxygen can help you live longer and with fewer COPD symptoms. ...
  3. Follow a healthy COPD diet. ...
  4. Take part in a COPD exercise program. ...
  5. Be mindful about medications.
Jan 7, 2022

Do Dehumidifiers help with sinus problems? ›

Dehumidifiers are also said to clear up allergy mucous secretions faster. Again, it's important not to let the humidity in your home drop below 35% since other allergy symptoms can flare under these conditions.

Can a dehumidifier help with inflammation? ›

Dry, warm weather reduces joint pain. When the humidity is high and barometric pressure is low, particularly just before a storm, if you have arthritis you may feel increased pain or stiffness. If you live in a hot, humid climate, a dehumidifier in your home can help.

Does a dehumidifier help with dust mite allergies? ›

Next, Dehumidifiers can reduce the number of dust mites and mold spores in your home by eliminating excess moisture in the air. Dust mites can't survive without adequate levels of moisture in the air. We recommend keeping your relative humidity between 40% and 50%.

What room humidity is best for asthma? ›

Get rid of mold in all parts of your home to help control your asthma attacks. Keep the humidity level in your home between 35% Page 6 and 50%.

Are humidifiers good for asthma and COPD? ›

Humidifiers, when used properly, can help maintain the perfect level of moisture in the air (between 30 – 50%), and particularly for anyone with a chronic lung disease, can foster eased breathing, reduced irritation of nasal passages, as well as the ability to more efficiently expel phlegm in coughing.

What air is best for asthma? ›

The bottom line. A small study suggests that the best room temperature for people with asthma is between 68 and 71°F (20 and 21.6°C). This air temperature is mild, so it won't irritate the airways. Additionally, an indoor humidity level between 30 and 50 percent is ideal.

What is the best climate for allergy sufferers? ›

The western United States is the best place to live for allergy sufferers. Arid and mountainous regions prevent the proliferation of airborne allergens. Dust mites are also sparsely found in the West. You may want to consider moving to cities like Portland, San Francisco, and Seattle.

Why can't my body handle humidity? ›

In humid conditions, the air becomes populated by hydrogen and nitrogen as well as oxygen, and our lungs have to work harder to get oxygen from the air. This is part of the reason why we feel so lethargic in humidity, and why physical activity can be especially taxing.

How can I stop being allergic to humidity? ›

The key to keeping your allergies under control is finding the optimum humidity level for your home. According to Energy Star, the ideal humidity level is between 30 and 50 percent. Use ventilation fans in high humidity areas like the kitchen and bathroom to keep levels within the acceptable range.

When should you not use a dehumidifier? ›

Most dehumidifiers should not be operated in temperatures below 60° F, since the moisture removed from the indoor air can freeze when it condenses on the cooling coils, which can damage the unit.

Can you dehumidify too much? ›

Can you dehumidify too much? There is a chance of dehumidifying your home too much with a dehumidifier, especially if you are leaving your dehumidifier running for several hours on a timer unattended. Over-dehumidifying your home can lead to an increased chance of respiratory illnesses and dry and cracked skin.

What is the best dehumidifier for dust mites? ›

Dust mites, like most other pests and allergens, want a damp environment. The AprilAire high-capacity, whole-house dehumidifier is the best choice to balance your home's excess moisture.

Does air purifier help with asthma or allergies? ›

The answer is yes, air purifiers do work for asthma relief. In addition to taking care of asthma triggers around your home, air pollution and asthma are strongly linked. Fortunately, a healthy environment for asthma sufferers can be maintained by the use of an air purifier.

Is there a dehumidifier that actually works? ›

The best dehumidifier you can buy today
  • Frigidaire FFAP5033W1. The best dehumidifier overall. ...
  • GE APER50LZ. A great large-capacity choice. ...
  • Midea 20 pint cube dehumidifier. Best compact design. ...
  • LG PuriCare UD501KOG5. Best for midsize spaces. ...
  • Frigidaire FFAD2233W1. A great dehumidifier for smaller spaces. ...
  • Honeywell TP50AWKN.
4 days ago

Where is the best place to put dehumidifier? ›

You want to place your machine in an area where there is good air circulation so the unit can efficiently work. We do not recommend placing a dehumidifier directly against a wall or piece of furniture. Instead, put it at least six inches away from these vent-blocking surfaces.

What size dehumidifier should I purchase? ›

Look for a dehumidifier with a 10 pint removal capacity for a 500 square foot room. If your room exceeds 500 square feet, you want an additional 4 pints for every 500 square feet. If your room is 1,000 square feet, for example, you want at least a 14 pint removal capacity to maximize moisture removal.

Should you run a dehumidifier in the basement all the time? ›

May said that, as a guide, it's best to use a dehumidifier when your basement feels humid or when you've spotted some of the signs outlined above. Running a dehumidifier for around 12 hours a day will enable you to manage indoor moisture while ensuring your energy costs aren't too high.

What months do you need a dehumidifier in the basement? ›

For now, we leave you with this simple one: use a dehumidifier during the spring, summer and early fall to keep moisture at bay, but unplug and stow it away during the winter to prevent damage to your unit.

Where in basement should I place dehumidifier? ›

The best place to put a dehumidifier is in the location closest to the source of the moisture. In multi-level homes, this means that dehumidifiers should most often be placed in basements or upstairs close to the stairs to your basement. This is because the basement is the most humid place in your home.

Can a dehumidifier be too big for a basement? ›

But buying a dehumidifier isn't a one-size-fits-all proposition. A model that's too small for your space may hardly make a dent in the moist air, while one that's too large may make the air excessively dry.

Can a dehumidifier be too big for a room? ›

According to Becca Dodds from the Analox Group (opens in new tab) – a UK-based company that helps to ventilate spaces – yes: a dehumidifier can be too big for your space and the amount of humidity levels you are dealing with.

Who makes the most energy efficient dehumidifier? ›

  • Best Overall. hOmeLabs 4,500 Sq. ...
  • Best Budget. Vremi 50-Pint Dehumidifier. ...
  • Best Quiet. Midea 20-Pint Dehumidifier. ...
  • Best for Small Spaces. SEAVON Portable Dehumidifier. ...
  • Best for Large Rooms. Black + Decker 30-Pint Energy Star Portable Dehumidifier. ...
  • Best Splurge. Honeywell Smart Wifi Dehumidifier. ...
  • Best for Basements.
May 11, 2022

How long does it take for a dehumidifier to dehumidify a room? ›

How long will it take to get the moisture under control? As long as the dehumidifier you choose is large enough for the area it is working in, and there are no specific damp problems, then a dehumidifier will normally reduce the humidity to the chosen level within a few days to a week.

How many years does a dehumidifier last? ›

Maintain Your Appliance

The lifetime of dehumidifiers usually ranges from five to 10 years. To maximize the lifetime, it's important to care for your dehumidifier. Be sure to regularly change the air filters, clean the condensing coils and exhaust grilles, and empty and clean the water bucket.


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