The Best Air Humidifiers and Purifiers of 2024 for Your Home
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Good air quality is important for both health and comfort. Combat dry air and remove indoor pollutants with the best air humidifier and purifier units.
Combination air humidifiers and purifiers add moisture to the air and filter out pollutants at the same time. For homes that can benefit from both functions, these units make sense, as they’re often cheaper than buying a separate air purifier and humidifier. Plus, they take up less space and can work just as well as separate units.
A good air humidifier and purifier is effective and very user-friendly, and it doesn’t hurt for it to look nice either. Factors like a unit’s filtration system, humidifying system, reservoir size, and control features all come into play when shoppers are choosing a suitable option.
With that in mind, our best overall air humidifier and purifier is the Dyson Purifier Humidity+Cool Formaldehyde PH04 for its effective HEPA filter, odor and gas filter, automatic air purifying and humidifying monitor, 1-gallon reservoir, and lightweight design.
We’ve rounded up some of the other top units for a range of room sizes and needs. Read on for the best air humidifiers and purifiers for more comfortable indoor air. Plus, some of these options have been tested by our editors to ensure they perform as promised.
- BEST OVERALL: Dyson Purifier Humidify+Cool Formaldehyde PH04
↓ Jump to Review - BEST BANG FOR THE BUCK: Afloia Miro Pro 2-in-1 Air Purifier & Humidifier
↓ Jump to Review - BEST FOR ALLERGIES: Turonic PH950 HEPA Air Purifier & Humidifier
↓ Jump to Review - BEST FOR BEDROOM: Sharp KC85OU Plasmacluster Air Purifier & Humidifier
↓ Jump to Review - BEST LARGE-ROOM HUMIDIFIER: Boneco H400 Hybrid Humidifier & Air Purifier
↓ Jump to Review - BEST WITH HEATER: Envion Four Seasons FS200 4-in-1 Purifier Humidifier
↓ Jump to Review - BEST DESIGN: Brondell Revive True HEPA Air Purifier & Humidifier
↓ Jump to Review
How We Chose the Best Air Humidifiers and Purifiers
The best air purifier and humidifier combo units on our list are effective and reliable. We only selected highly rated models, choosing feature-filled picks that get the job done.
When choosing the best humidifier and air purifier for rooms in the house we considered user-friendliness above all. Features we looked for included an effective filtration system (multistage filtration with a HEPA filter is ideal), automatic humidifying modes to maintain comfortable indoor humidity, and user-friendly controls, including different fan speeds, timers, and night modes. We also looked at air purifier and humidifier reviews to make sure the unit’s features performed as well as promised.
Shoppers choose from the best air humidifier and purifier for all sorts of reasons, from allergy symptom management to freshening the air in a kitchen or living room. To suit a variety of room sizes and uses, we chose a range of unit types.
Our Top Picks
Our top picks are among the best air humidifiers and purifiers for cleaner, more comfortable air at home. Plus, we hands-on tested some of these selected picks and included our testing results below.
Best Overall
Dyson Purifier Humidify+Cool Formaldehyde PH04
Photo: Walmart
Product Specs
- Filtration: HEPA filter, odor and gas filter
- Room size recommendation: Not specified by manufacturer
- Reservoir capacity: 1 gallon
What We Liked
- Automatic air purifying and humidifying monitor and adjust settings accordingly
- Whole-machine HEPA filtration ensures pollutants aren’t released back into the air
- One of only a few air purifiers on the market that also detects and destroys formaldehyde
- Functions as a fan as well as an air purifier and humidifier
What We Don’t Like
- Significantly more expensive than the other options on our list
The Dyson Purifier Humidify+Cool Formaldehyde takes air quality and comfort very seriously. This unit is a 3-in-1 air cooler, humidifier, and purifier with a variety of distinctive functions. It also has a range of automatic options, with sensors to detect, analyze, and capture pollutants (while displaying air-quality details on an LCD screen). It also monitors humidity levels and adjusts the unit accordingly. The reservoir tank holds 1 gallon of water to provide up to 36 hours of humidifying.
A HEPA filtration system with an odor and gas filter ensures cleaner air. As a big bonus, this unit detects and destroys formaldehyde, which is a common indoor pollutant. This unit also has Dyson’s Air Multiplier technology, which boosts airflow and allows the unit to function as a fan, blowing cleaner air around the room. Lastly, it’s smart-enabled for control from the Dyson app.
Dyson doesn’t specify a recommended room size or CADR (Clean Air Delivery Rate). However, Dyson does mention the air purifier humidifier was tested in a room measuring 81 meters cubed, so it’s safe to assume it will work in rooms of that size.
Testing Results: Stephanie Cronk, executive editor at Bob Vila, notes this in our full review of the Dyson Purifier Humidify+ Cool Formaldhyde PH04: “The Dyson purifier offers quite a bit for the cost. It’s sturdy and well built, and it can move easily from room to room if needed. The water tank holds enough water to last for days, depending on the humidity level of the room, and it has a sturdy build to it as well. I feel the Dyson is well worth its high price tag with its ability to clean my air efficiently and add moisture when needed. I also love the fact that I can use this unit for just its fan feature, too, which helps move the hot, stagnant wood-stove air around my home.”
Get the Dyson air humidifier and purifier at Walmart, Best Buy, Abt, or Dyson.
Best Bang for the Buck
Afloia Miro Pro 2-in-1 Air Purifier & Humidifier
Photo: Amazon
Product Specs
- Filtration: Prefilter, activated carbon filter, and HEPA filter
- Room size recommendation: 270 square feet
- Reservoir capacity: Not specified
What We Like
- Detachable humidifier section; users can remove it for a more compact design
- Front-access onboard controls with 3 filtration levels and shut-off timers
- Optional night-light function that casts a soft light for sleeping
What We Don’t Like
- The detachable humidifier does not work separately from the air purifier
- Afloia does not specify the reservoir size or estimated humidifier runtime between refills
Maintaining better air quality needn’t be expensive. The Afloia Miro Pro 2-in-1 air purifier and humidifier is a budget-friendly pick with a distinctive design feature: The humidifier is detachable from the air purifier. Since many people only use humidifiers during dryer seasons, this design allows users to detach the humidifier and take advantage of a smaller, sleeker air-purifying unit. The air purifier can be used independently from the humidifier, but not the other way around, which is one downside of this design. This unit also lacks a humidistat, so there’s no auto shutoff for the humidifier.
This small air purifier has a three-stage filtration process, with a prefilter, activated carbon filter, and HEPA filter. It has three filtration speeds; an optional 2-, 4-, and 8-hour shut-off timer (to turn off the whole unit); a filter replacement indicator; and a night-light function. The CADR score is 150, and Afloia claims it’s good for rooms around 270 square feet. We recommend it for rooms slightly smaller, though, based on the CADR rating.
Get the Afloia air humidifier and purifier at Amazon or Afloia.
Best for Allergies
Turonic PH950 HEPA Air Purifier & Humidifier
Photo: Amazon
Product Specs
- Filtration: Prefilter, cotton filter, HEPA filter, activated carbon filter, and cold catalyst filter
- Room size recommendation: Not specified by manufacturer
- Reservoir capacity: Not specified
What We Like
- 5-stage filtration system traps gases, germs, particles, and common allergens, large and small
- Includes a UV light and an air ionizer feature for effective filtration of toxins
- Has an onboard air-quality monitor and filter-change indicator
What We Don’t Like
- Manufacturer does not specify recommended room size or reservoir capacity
Common allergens are no match for this air purifier from Turonic, which has a five-stage filtration system among other notable features. Air goes through a prefilter, cotton filter, HEPA filter, activated carbon filter, and cold catalyst filter (which can filter some gases). It also has an optional humidifier, UV light (which purports to kill germs), and an air ionizer (which can remove some small particles).
The HEPA filter does the hard work of trapping dust, pet hair, pollen, mold, and other common airborne allergens. Users can choose from eight speed modes or an automatic mode, and the control panel also has an air-quality display and filter-change indicator. Lastly, this air purifier is a WiFi-enabled smart unit, so users can connect and control it via an app.
Turonic doesn’t specify a CADR, but it does say the purifier can filter the air in a 1,250-square-foot room once an hour (or one “air change per hour”). We recommend this air humidifier purifier for rooms around 260 square feet based on the Association of Home Appliance Manufacturers’ (AHAM) recommendation that to be effective, the purifier’s room-size recommendation should be based on 4.8 air changes an hour.
Get the Turonic air humidifier and purifier at Amazon or Lowe’s.
Best for Bedroom
Sharp KC85OU Plasmacluster Air Purifier & Humidifier
Photo: Amazon
Product Specs
- Filtration: Prefilter, activated carbon filter, and HEPA filter, plus ionizer
- Room size recommendation: 254 square feet
- Reservoir capacity: 0.96 gallons
What We Like
- Very quiet at only 19 decibels on the lowest setting, so it shouldn’t disrupt sleep
- Optional ionizer for even more thorough air purifying and toxin removal
- Energy Star certification means it’s more energy efficient than noncertified models
What We Don’t Like
- The ionizer can make a ticking sound when it’s on; may not be ideal for use at night
Not merely effective at cleaning and humidifying the air, this Sharp model is also quiet, so it should not disturb even a light sleeper. The Plasmacluster Ion air purifier and humidifier features a prefilter, an activated-carbon filter, and a HEPA filter. It also has an optional ionizer air purifier, which helps clean air by charging airborne particles, causing them to leave the air and stick to surfaces. Sharp recommends this air purifier for bedrooms up to 254 square feet based on its CADR score of 164. It also has a 0.96-gallon water tank
A variety of modes suit different needs, and the air purifier/humidifier combo comes with three fan speeds, a pollen setting, a Quick Clean setting, and automatic purifying and humidifying settings. This unit is particularly great for the bedroom because it runs at only 19 decibels on the lowest setting; this is quieter than a whisper, which registers at around 30 decibels. It’s also energy efficient with an Energy Star certification, which is a plus when it’s running through the night.
Get the Sharp air humidifier and purifier at Amazon.
Best Large-Room Humidifier
Boneco H400 Hybrid Humidifier & Air Purifier
Photo: Amazon
Product Specs
- Filtration: Prefilter and pollen filter
- Room size recommendation: Up to 650 square feet (for humidifying)
- Reservoir capacity: 3.17 gallons
What We Like
- Extra-large tank holds 3.17 gallons of water to humidify bigger spaces
- Some of the included humidifier parts are dishwasher-safe for easy cleaning
- Smart-enabled; users can monitor humidity and set unit mode and humidifier controls through a free smartphone app
What We Don’t Like
- Air purification feature is lacking; it does not use a HEPA filter and is better suited for purifying the air in smaller rooms
The Boneco H400 Hybrid humidifier and air purifier is made to humidify large rooms with its 3.17-gallon reservoir. Its humidifier parts are also very easy to clean—some are even dishwasher-safe to simplify frequent cleaning (a must to keep humidifiers hygienic). Users can use the onboard controls or take advantage of the smartphone app, since this purifier and humidifier combo is smart-enabled as well.
The main downsides of this unit are its lack of filtration power and lack of a HEPA filter. No HEPA filter does not mean a purifier won’t work; it just doesn’t guarantee the 99.9 percent filtration level that HEPA filters do. Boneco describes the filters as a prefilter and a pollen filter. It recommends this unit for rooms up to 650 square feet, though that’s likely for humidifying. This unit has a rather low CADR rate of 59 cubic feet per minute, so it’s better for small rooms when it comes to air purifying.
Get the Boneco air humidifier and purifier at Amazon or Williams Sonoma.
Best with Heater
Envion Four Seasons FS200 4-in-1 Purifier Humidifier
Photo: Amazon
Product Specs
- Filtration: HEPA filter
- Room size recommendation: Not specified
- Reservoir capacity: 0.85 gallons
What We Like
- The compact unit is a 4-in-1 air purifier, humidifier, fan, and heater
- Works in offices, bedrooms, nurseries, dens, and other living spaces as large as 120 square feet
- There are several variable settings to control fan speed and heat level
- Automatic heater safety shut-off function if unit is tipped over
What We Don’t Like
- Does not have the fan-only mode that some other options feature
- Does not have a built-in humidity monitor or automatic humidifier shutoff
The Envion Four Seasons 4-in-1 is a feature-filled pick for comfort in most seasons. This four-in-one unit is an air purifier, humidifier, fan, and heater, all in one compact machine.
This device has three modes, three fan speeds, and three heating levels. The three modes include heat-only, humidifier and fan, and heater and humidifier settings. The air purifier runs regardless of the setting and uses a HEPA filter to clean the air. Keep in mind that this unit does not have a fan-only option, so it’s not ver