20 Gallon Humidifiers

This high-efficiency industrial humidifier features a 4-cell atomizer that produces an instant, oversized mist for large areas and large quantities. Its large capacity water tank and convenient water inlet hose prevent you from having to fill the water frequently. It will bring fresh, comfortable air to your room. It will be the ideal choice for you!

Excellent quality, exactly as described, and I’m very satisfied with my purchase overall!!. Anonymous. Tue Sep 15 2026

Livatro Steam Humidifier, White is designed for everyday home humidification in bedrooms, offices, and living spaces.

The steam humidifier is very quiet. Doesn’t leave any water droplets or residue around the room.. Mary. Belvidere, IL. Sun Sep 27 2026

Enjoy whole-home purification with 99.97% particle removal across 2,600 sq. ft. per hour. Turbo Mode instantly refreshes air when cooking or guests arrive. The smart sensor auto-adjusts to pollutants like smoke or dust. Washable pre-filter cuts maintenance, while 22dB Sleep Mode ensures silent, dark rest. Always breathe safely with effortless clean air.

This air purifier is perfect for our open concept living area. It can cover a large area which is great to filter air generated by cooking smoke and other pollutants. It is quiet and will increase speed to filter pollutants as it senses. It has different color indicator lights to let you know the air quality. No assembly required besides taking the plastic off the filter itself and plugging in the power cable. I highly recommend this air purifier!. Carmen. Green Cove Springs, FL. Fri Jul 24 2026

Elevate your comfort with our 3-Speed Ultrasonic Cool Mist Humidifier, designed to create the perfect indoor environment with maximum efficiency. With a large 2.4-gallon capacity, this humidifier delivers up to 48 hours of continuous mist output at a powerful 300 ml/hour, covering spaces up to 600 square feet. Perfect for homes, offices, and nurseries, it not only improves air quality but also features advanced purification, sterilization, and aromatherapy functions.

This cold air humidifier is awesome! It was easy for me to put together ( I’m 79). Easy to use and has really helped with my breathing which has helped me sleep better and feel rested .. Linda. Florence, SC. Tue Oct 20 2026

The Dyson purifier humidifier is engineered to help improve your air quality. An advanced filtration system combines a filter to remove gases and odors with a HEPA filter to capture 99.97% of particles 0.3 microns in size. Powerful Air Multiplier technology projects purified, humidified air throughout the room.

Dyson as usual makes useful, reliable devices. Has awesome features. Can control fan speed. Can use with or without water. Comes with extra water treatment packs.. Bill. West Hartford, CT. Tue Jun 23 2026

Experience whole-home purification up to 2,600 sq ft with dual air intakes for rapid, efficient airflow. Turbo Pet Mode targets stubborn hair/dander/odors. Real-time air quality monitoring and Auto Mode optimize performance automatically. Extend filter life with a washable pre-filter and timely replacement reminders. Sleep Mode operates at near-silent 20dB with lights off. Set custom 1-24H timers for energy savings, add essential oils via the built-in fragrance box, and prevent accidents with the child/pet safety lock—all ensuring cleaner air and peace of mind.

Given the air quality on the east coast lately, this is a must. I have some breathing issues, so it’s even more important. This unit is supposed to cover a large room. I have it in my living room. It runs very quietly, and was very easy to set up.. Mary. Amenia, NY. Sat Jul 25 2026

Ozone generator air purifier with 1 ozone plate for 900 square feet

Very good product works really well. Judith Susan. Surrey, BC. Sat Nov 01 2025

Bring fresh, breathable air into your home with this powerful cool-mist humidifier, designed with a spacious 0.58 gallons tank that delivers lasting comfort for rooms up to 700 sq ft. Run it for up to 22 hours (low mode) or 19 hours (high mode) on a single fill and choose between high or low mist to create the perfect environment day or night. Add a few drops of your favorite essential oil directly into the water to infuse your space with a gentle fragrance while restoring healthy humidity levels. With 2, 4, and 8 hour timers, soothing light options, and a whisper-quiet sleep mode, it’s the ideal companion for restful nights and productive days. Safe, simple, and stylish, this humidifier makes it easy to transform any room into a fresher, cozier, and more inviting space.

I really like this humidifier. It is calm and relaxing!! It helped me with my sleep. Lynnella. Birmingham, AL. Sat May 16 2026

Upgraded Continuous Oxygen Concentrator, 33-93% High Purity Oxygen Generator, 1-7L Flow Adjustable Low Noise Oxygen Machine with HD Display & Full Home Accessories

disappointed no water resevoir as shown.. Anonymous. Thu Oct 15 2026

The Frigidaire 22 Pint dehumidifier is ideal for basements with a small space design

Originally I saw this dehumidifier months ago, but I made a huge mistake and bought another brand. This humidifier is really compact, doesn’t make too much noise, very effective in removing humidity in my boiler room.. Maksim. Kiamesha Lake, NY. Tue Jan 20 2026

Enjoy a healthier home with the PurefyAir Ultrasonic Purifier and Humidifier. This dual-purpose device offers a versatile way to clean the air and the environment around you. Combining a purifier and humidifier in one, the PurefyAir looks elegant and stylish wherever you place it. Thanks to its space-saving design, you can stand it on the floor or a tabletop. Additionally, the PurefyAir refreshes the environment in all directions with its two-litre tank. It also offers an impressive coverage of up to 600 square feet and reaches up to 30 inches high. Furthermore, you can use the PurefyAir for up to 20 days when running half an hour per day on a low setting. The purifier and humidifier remove environmental contaminants, odours, and allergens for a healthier home. In fact, it can even relieve cold and flu symptoms.

Love it. Teresa. MO. Sun Sep 13 2026

Household Oxygen Generator Device, Adjustable 1-7L Oxygen Concentrator with Nebulizer, Adjustable Flow, for Home Daily Health Care

Livatro 3L Black Steam Humidifier is designed for everyday home humidification in bedrooms, offices, and living spaces.

What I love most is how easy it is to clean. No more dealing with mineral buildup in tiny little parts! I also really like the warm mist—it makes breathing feel much more comfortable on cold nights. Overall, I’m very happy with this purchase and going to get another one for my kids room.. Jenny. Mon Oct 05 2026

Ozone Generator/UV Air Purifier with 2 Ozone Plates, UV, and Charcoal Filter for 2500 Square Feet +

As described.. Anonymous. Fri Mar 20 2026

Energy Star dehumidifier for basements removes up to 80 pints (under 95°F, 90%RH condition) of moisture per day, and you can adjust the humidity level according to your preference, with a range of 30% to 80%. Ideal for basements, garages, bathrooms, bedrooms, kitchens, RVs, homes, offices, or any large sized room. Protects your furniture, extends the life of home appliances such as air conditioners and televisions, and makes your work and living environment more comfortable!

Say goodbye to stale air and hello to pure, refreshing breaths with our advanced 3-stage H13 HEPA air purifier! Designed for homes, offices, and bedrooms, it removes 99.97% of dust, Air Purifiers for Home Covers Up to 2600 Ft²,smoke, pollen, pet dander, and odors, capturing particles as tiny as 0.3 microns—so you and your loved ones breathe cleaner, healthier air every day.

Works great., My husband had allergies and his nose always was running. since I purchased the purifier he is doing so much better. Maxine. Weirton, WV. Thu Oct 22 2026

Need a humidifier for your grow space or home. Upgrade your environment with Vivosun's Intelligent Humidifier. Our next-gen ionizer and fan deliver whisper-quiet, unparalleled humidification. External temperature and humidity probe provides precise, targeted environmental readings. Enhance your space with this humidifier, creating a comfortable living environment and ideal conditions for your plants to thrive. It's ideal for grow tents, grow rooms, living rooms, bedrooms, and beyond.

Excellent. Hooks in my system just fine. 5 gal reservoir is key.. Mark. Columbus, OH. Wed Jan 28 2026

I love this fan, the temperature has been 95 degrees and we love being outside on our porch or patio. we have another model that says industrial fan but this one is so much better. the misting feature is perfect for our patio when we are grilling, just keep it turned away from the grill, lol. Peggy. Grand Rapids, MI. Sat Jul 25 2026

Air Purifier: Breathe Confidently in Whole-Home Clean Air Experience a new standard of air purity with the XenonLab Air Purifier. Meticulously engineered for the modern home, it combines advanced, real-time monitoring with powerful, rapid purification to create a healthier and more harmonious living environment for you and your family.

This was a life saver during Wildfire season. While it doesnt cool it kept the air in the house clean and fresh. We bought a 2nd one to be fact. Good purchase.. Ang. Colorado. Fri Jul 17 2026

Breathe easier and sleep better with the Crane Cool Mist Evaporative Humidifier. Designed for bedrooms, nurseries, and medium-sized rooms, this compact humidifier adds clean, refreshing moisture to the air to naturally relieve dry skin, congestion, and other symptoms of dry indoor air. The 0.5 gallon top fill tank runs up to 15 hours and is dishwasher safe for effortless cleaning.Equipped with a UV light and evaporative wick filter, the humidifier helps reduce bacteria and delivers pure, cool mist you can trust. With 3 adjustable speed settings, you can easily control output levels to match your comfort. The removable fan cage makes cleaning simple, while whisper quiet operation ensures peaceful sleep for you and your family.Perfect for rooms up to 250 sq. ft., this stylish humidifier is a must-have for healthier air in your home.

I needed to find an evaporative humidifier since I have pet birds and ionic ones are dangerous for them. I’m happy I found this one and at such a great price. It works really well and isn’t too loud. I love that the tank is dishwasher safe too. It doesn’t take up much space either. I would recommend this.. Pamela. Williamsburg, VA. Wed Aug 12 2026

Experience balanced indoor comfort with the Crane Top Fill Warm & Cool Mist Humidifier, designed for modern homes and everyday wellness. This versatile cool mist humidifier and warm mist humidifier allows you to choose the mist type that best fits your environment, helping relieve dry air while supporting comfortable breathing year-round. The top-fill design makes refilling quick and mess-free, while the large 1.2-gallon tank provides up to 24 hours of continuous operation. Ideal as a humidifier for bedroom, office, or living space, it delivers consistent moisture without frequent refills. The adjustable 360° nozzle lets you direct mist exactly where it’s needed. Equipped with a built-in digital humidistat, this humidifier with humidistat allows you to set your preferred humidity level and maintain it automatically using Auto Mode. The easy-to-read digital display, remote control, sleep timer, and night mode offer effortless control and nighttime convenience. Additional features include an integrated aroma tray for essential oils, optional ambient night light, and quiet operation for uninterrupted rest. Combining smart performance with a refined fabric exterior, this Crane humidifier brings advanced humidity control and modern design into one premium solution.

The best!!!. Karen. Havre De Grace, MD. Thu Oct 15 2026

Stainless Steel Humidifier, 3.3L Warm Mist Humidifiers for Bedroom, Easy Clean Steam Humidifiers for Home, Dishwasher Safe Humidifier Large Room, White

I am very pleased with my purchase and recommend to all.. Victoria. Henderson, NV. Sat Jul 18 2026

The ECOSELF air purifier features a 3-stage advanced filtration system, delivering hospital-grade air purity by capturing dust, smoke, pollen, and pet dander. It is ideal for large rooms up to 2400 sq ft, with ultra-quiet 20dB sleep mode for bedrooms, offices, and living spaces. Its user-friendly design includes auto mode, child lock, and compact dimensions, making it perfect for homes and workspaces. 1. 2400 sq ft coverage - Purifies large spaces every 30 mins. 2. 3-stage advanced filtration - Hospital-grade air purity, replace every 3-6 months (no washing). 3. User-friendly controls - 3 fan speeds, auto mode, child lock. 4. Ultra-quiet sleep mode - Near-silent (20dB) for undisturbed rest. 5. Compact design - 5.7"D x 11.8"W x 15.75"H 6. Certified safety - FCC, ETL, EPA certified. 7. Air quality monitor - Tracks and improves indoor air. 8. Pet & allergen friendly - Removes dust, smoke, pollen, dander, and odors. 

Does a wonderful job and keeps dust down for having 3 dogs and 2 cats. I do need to clean filter more than probably I should.. Tamara. Marianna, FL. Sun Sep 13 2026

Elevate your living spaces with our 130ml USB Air Humidifier Essential Oil Aroma Diffuser, a versatile 2-in-1 device designed for a serene and captivating ambiance. This sleek black diffuser seamlessly combines the benefits of a humidifier and an essential oil diffuser, enriching your surroundings with tranquility and style.

It is small size of a diffuser that I put in my son's room. He loves it specially when he uses an essential oil. He was thrilled on how cool it is to have. He likes it.. Arleen. Elizabeth City, NC. Fri Oct 02 2026

Keep your air clean and fresh for less with the Hamilton Beach Air Purifier with TrueAir EverLasting Reusable Filters. Since TrueAir EverLasting filters never need to be replaced, you'll save $250* on replacement filters every 5 years. Not only do these long-lasting air filters capture 99.9% of indoor airborne particles,** a quick vacuum every 12 months is all that's needed to maintain their peak performance. Place the Hamilton Beach Air Purifier in your living room, bedroom or nursery to protect your home from airborne irritants, allergens and odors all year long. The dual replaceable carbon filters continuously absorb odors for 2 times the odor control and protection. CADR-rated*** for proven performance, with a 111 CFM (cubic feet per minute) for smoke, a 123 CFM for dust and a 121 CFM for pollen. Includes 2 TrueAir EverLasting reusable air filters and 2 replaceable carbon filters.

Purchased for my bedroom and I’m very pleased with the performance. It operates quietly. It’s efficient and easy to use. Doesn’t require much space and great price.. Canesforlife82. Miami, FL. Fri Jun 12 2026

Beat the dry air and bring comfort to the whole family! The ultrasonic humidifier can effectively increase air humidity, which helps to avoid coughing and dry skin as well as improve sleeping quality, etc. This humidifier can produce warm or cool mist in 3 different mist levels according to your favour, and the 2.4-gallon large water tank offers long-lasting runtime of up to 60 hours. Built-in sleep mode and auto mode, this humidifier adds max convenience to your daily life. Moreover, users are able to control the humidifier using the touch control panel or the remote control. With a top-fill design, this air vaporizer is convenient to refill or empty the water as well as easy to clean after use. The slim and compact design makes this air humidifier easily fit into any corner of the room, suitable for bedrooms, offices, kids' rooms and more.

Great humidifier for a large room. Giselle Bethke. Thu Dec 05 2024

Dry weather can wear on your body and result in uncomfortable chapped lips, increased risk of colds, the flu, dehydration, and dry skin. Combat dryness with the Danby 5L ultrasonic top fill black humidifier, ideal for bedrooms, offices, or living rooms. Designed with ultrasonic technology, this model uses the energy of ultrasonic to mist water into tiny particles which blow into the air to increase the moisture content. Features include three digital settings for mist, 360-degree output, and a timer option with 1, 2, 4, or 8-hour settings, making this unit customizable to your preferences. Enjoy therapeutic benefits by utilizing the aroma diffuser feature to spread essential oils to create a personalized aroma experience. Maintenance is easy with its washable and reusable filter, and a complimentary second filter is included.

Love it help me get over bad cough. Renee. CA. Wed Oct 26 2022

The Senville dehumidifier is a great way to control the humidity in your home, bedroom, living space, or virtually any room.

Looks good for a dehumidifier and works great. Recommend it.. Belinda. Minto, NB. Wed Apr 24 2024

The EVDC300 delivers whole-room humidification driven by an Energy Smart DC motor. With more power than a standard Vornado, it delivers our whole-room humidity circulation using 90% less energy versus a comparable Vornado AC motor-driven humidifier. The minimalistic design features a clear, easy-fill 1-gallon tank that is simple to use and maintain, with a low-water indicator that shows when it’s time to refill. Customizable humidity settings paired with precise auto humidity control allow you to tailor the natural evaporation process, leaving a perfectly humidified space free from the white dust that mist leaves behind. The EVDC300 ensures a comfortable breathing environment with the peace of mind of a 5-year satisfaction and 10-year motor .

We ve been using this humidifier this winter.It is quiet and has kept humidity levels at normal range right along.Very happy with it.. Kelly. US. Fri Feb 27 2026