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2-in-1 Purify + Humidify
2-in-1 Purify + Humidify
2-in-1 Purify + Humidify
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2-in-1 Purify + Humidify
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2-in-1 Purify + Humidify
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2-in-1 Purify + Humidify

Purify, Humidify, Large Rooms

4.1
Rated 4.1 out of 5 stars
445 Reviews
Select Default Title

The 2-in-1 Purify and Humidify’s dual action technology rapidly cleans your air, all while maintaining the perfect humidity.

  • Rapidly purifies 360 ft² in 12.5 minutes, 863 ft² in 30 minutes, and 1,728 ft² in 1 hour
  • HEPASilent™ Technology quickly removes 99.97%¹ of airborne particles like pollen, odors, dust, and smoke
  • InvisibleMist™ Technology delivers balanced, mist-free humidity that protects your home from white dust, sticky residue, and water damage.
  • Set the perfect humidity levels with smart technology that automatically adjusts to your environment, all controlled through an intuitive app for added convenience.
  • Customizable features in the Blueair app
  • Perfect for bedrooms or offices
  • Instant air
quality readings
  • Voice controled with Alexa
  • RealTrack Technology®
  • Automatically Adjust Fan Speed
  • App & Wifi connectivity
  • Simple touchscreen interface
  • PM 2.5 pollutant tracking

“We have slept better than we have in years.
Blueair has provided the Goldilocks environment
of perfect humidity and clean air”

Consumer Testing Feedback

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Why choose 2-in-1 Purify + Humidify?

HEPASilent Technology automatically detects & removes 99.99%¹ of airborne pollutants

HEPASilent™ technology combines electrostatic and mechanical filtration to capture tiny airborne pollutants like pollen, dust and smoke, faster³ and quieter⁴ than traditional HEPA.

So many ways to customize & control in the Blueair app

  • Ship next day free

  • 30 day home trial

  • Authenticity guaranteed

2-in-1 Purify + Humidify

Technical Specifications

  • Dimensions(HxWxD)

    26” x 13.6” x 13.6”

  • Product Weight

    13.8 lb

  • Tank Capacity

    3 L

  • Energy Consumption

    36 W

  • Sound level

    24-52 dB

  • Air outlet

    Top

  • Recommended room size

    360 sq. ft.

  • Clean air delivery rate (CADR)

    Pollen 235 cfm
    Dust 222 cfm
    Smoke 232 cfm

  • Number of filters

    4

FAQ

Your Particle + Carbon filters will last up to 6 months thanks to our proprietary RealTrack algorithm that accurately calculates the remaining filter lifetime based on fan speed, usage time and pollution levels.

When it's time to replace the filter, the filter replacement LED on the interface will turn red to remind you. Alternatively, connect to the Blueair app to receive an alert and easily re-order at the touch of a button.

The humidification wick filter should be replaced every 6 months. It should be cleaned weekly when in use according to the instructions in the user manual to maintain optimal performance.

To clean the wick filter, rinse with water weekly, or for a deep clean, soak in citric acid and rinse. Use 20g of citric acid for every 1L of water for 1 hour. Rinse well under running tap water.

4.1
Rated 4.1 out of 5 stars
Based on 445 reviews
Total 5 star reviews: 282 Total 4 star reviews: 60 Total 3 star reviews: 24 Total 2 star reviews: 19 Total 1 star reviews: 60
77%would recommend these products
445 reviews
  • JT Profile picture for Jason T.google logo
    Jason T.
    Verified Reviewer
    1 week ago
    Reviewing
    DreamWell™ Humidifier H38i Coastal Beige
    Rated 4 out of 5 stars
    Beautiful humidifier with a loud fan

    I really like this humidifier, it looks great, keeps our bedroom at my desired humidity setting, easy to clean and refill. However, the fan on low is surprisingly loud. At night when it’s running it almost sounds like an idling truck outside, which is quite disappointing.

    BU Profile picture for Blueair UK
    Blueair UK
    2 days ago

    Thank you for sharing your experience with the DreamWell Humidifier 1 Gallon. We’re glad to hear you love the design, performance, and how easy it is to maintain. We’re sorry the fan noise on the low setting has been distracting at night, as that is not the experience we aim for. We’ve reached out to you directly so our support team can look into this further and help.

  • M
    Micah
    Verified Reviewer
    2 weeks ago
    Reviewing
    2-in-1 Purify + Humidify
    Rated 1 out of 5 stars
    Recurring Leaks and Unreliable Hardware

    I received this machine as a gift and have been using it for approximately one year. Unfortunately, my experience has been marked by significant reliability issues.

    Within the first four months, I had to replace the original unit due to a series of hardware failures, including false alerts, app connectivity issues, and a completely unresponsive control panel. While the manufacturer provided a replacement, this second unit has now developed a concerning flaw.

    Over the last month of using the humidifier function, I have experienced frequent leaking. About once every five times I remove the water tank for refilling, water leaks from the internal housing of the machine onto the floor. I can confirm this is not a result of a spill, as the tank is nearly empty when it is removed. Between the software failures of the first unit and the mechanical leaks of the second, I no longer have confidence in the quality or safety of this product.

    BU Profile picture for Blueair UK
    Blueair UK
    1 week ago

    Thank you for sharing your experience with the 2 in 1 Purify + Humidify. We are sorry to hear about the ongoing reliability concerns you have faced, especially after already receiving a replacement. Leaking from the internal housing is not expected behavior, and we appreciate you clearly outlining what you are seeing. We have reached out to you directly using your contact information so our support team can review this further and help determine next steps.

  • MJ
    Mark J.
    Verified Reviewer
    3 weeks ago
    Reviewing
    Humidifier H35i
    Rated 1 out of 5 stars
    Poor reliability

    In less than a year the water pump module is no longer working. It first started to not recognize when it was filled, but was able to fix that by cleaning the contacts on the pump inside the module. A couple months later, the pump still recognizes when tank is filled but pump motor itself is shorted. I’ve always used filtered water from the refrigerator to fill the unit as well as clean the fill tank periodically to remove any scale. The wick has been replaced once as directed by the app. This is extremely disappointing, especially since no replacement parts are listed / available.

    BU Profile picture for Blueair UK
    Blueair UK
    3 weeks ago

    Thank you for taking the time to share this detailed feedback on your Invisible Mist humidifier. We are sorry to hear about the pump issue and the lack of available replacement parts, especially given the care you have taken with maintenance. This is not the experience we want for you. We have reached out to you directly using your contact information so we can review options and help move this toward a resolution.

  • MG
    Montana G.
    Verified Buyer
    1 month ago
    Reviewing
    DreamWell™ Humidifier H38i Coastal Beige
    Rated 5 out of 5 stars
    A great humidifier

    I have been loving this humidifier! The design is beautiful and intuitive, and its so quiet I can’t even hear it at night. I bought one for my baby’s room and one for my partner and I. I can tell it makes a difference in the humidity of the air, and I breathe better because of it. My skin is also happier as well!

    BU Profile picture for Blueair UK
    Blueair UK
    3 weeks ago

    Thank you for sharing this wonderful feedback! We’re so glad to hear you’re loving the DreamWell™ Humidifier and that it’s making a noticeable difference for both your family’s comfort and sleep. Quiet performance, thoughtful design, and healthier air are exactly what we aim for. We appreciate you choosing us for such important spaces in your home.

  • K
    Kim
    Verified Buyer
    1 month ago
    Reviewing
    Humidifier H35i
    Rated 1 out of 5 stars
    This company sold me a faulty product

    Basin is full and below the max line and yet the humidifier “low water” light comes on every time. I shouldn’t have to troubleshoot a brand new device every night before using. This product hasn’t worked the entire two weeks I’ve had it. I will never purchase another BlueAir item ever again, I believe this item didn’t pass QC (there’s no document to certify it did like with most small appliances)

    Oh and now my order can’t be found via the return system, how convenient….

    BU Profile picture for Blueair UK
    Blueair UK
    1 month ago

    Thank you for sharing this feedback. We are sorry to hear about your experience with the InvisibleMist™ Humidifier and the repeated low water alert. This is not the experience we want you to have. To reset the low water light, please fill the reservoir, then press the fan speed button on the unit or in the Blueair app to activate the pump and sensor. The light should turn off once water is detected. We have reached out to you directly to help further and assist with any other requests.

¹ Tested on PM2.5 up to 90 minutes.

² Tested on bacteria (S. aureus, K. pneumoniae, P. aeruginosa), virus (MS2) and mold allergen (A.niger) with a minimum reduction rate of 99.8% in 60 min. Blueair does not claim to prevent transmission of airborne illnesses.

³ Comparing CADR performance of Blueair models with mechanical and electrostatic filtration vs same models with only H13 HEPA mechanical filtration.

⁴ Noise refers to the dB(A) difference in acoustic power.

Note: CADR and room size values have been updated to meet newDOE standards. Website listings reflect the most accurate information. You may notice slight differences versus product packaging during the transition.