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Blue Signature™

Air Purifier, Extra-large Rooms

4.8
Rated 4.8 out of 5 stars
104 Reviews

  • Rapidly cleans 65 m² in 12.5 minutes & up to 314 m² in 1 hour
  • 7 stages of filtration removes 99.97%² of airborne particles
  • 10x³ more odour removal with OdourFence Technology
  • Dynamic display that auto-adapts to enhance your air
  • Double the filter lifetime thanks to our patent-pending filter design
  • Smart features in the highly rated, newly improved Blueair app
  • Device comes with 1 pre-filter in Fog and 1 Particle & Carbon filter

Feel the difference with Blue Signature™

95%

felt it contributed to a
healthier living environment⁵

89%

prefer it over any
other air purifier⁵

Feel the difference with Blue Signature™

Proud to be a Certified B Corp

As a B Corp, we’re part of a global community of businesses that meet high standards of social and environmental impact.

Blue Signature™

Technical Specifications

  • Dimensions(HxWxD)

    17.2 x 15.5 x 15.5

  • Product Weight

    13.2 lbs

  • Energy Consumption

    3.5-42 W

  • Sound level

    23-55 dB

  • Air outlet

    Side

  • Recommended room size

    705 ft²

  • Air changes per hour (ACH)

    4.8

  • Clean air delivery rate (CADR)

    Pollen 450 cfm
    Dust 434 cfm
    Smoke 455 cfm

  • Number of filters

    1

  • Speed control options

    1 - 2 - 3 - 4 - Auto - Night

4.8
Rated 4.8 out of 5 stars
Based on 104 reviews
Total 5 star reviews: 92 Total 4 star reviews: 7 Total 3 star reviews: 3 Total 2 star reviews: 2 Total 1 star reviews: 0
95%would recommend this product
104 reviews
  • SB Profile picture for Sean B.facebook logo
    Sean B.
    Verified Buyer
    4 weeks ago
    Rated 5 out of 5 stars
    Unit is whisper-quiet

    As you can see in the video, the unit is whisper-quiet at night. It has replaced an Austin Air Bedroom Machine that was much, much louder even on the Low setting. I can now sleep better, thanks to BlueAir's quiet but effective filtration. I also like the ability to auto-schedule Night mode on/off through the app. (E.g. On daily at 8pm and Off, turning to Auto, at 8am.)

  • A
    Aven
    1 month ago
    Rated 5 out of 5 stars
    Best air purifier

    This is my 6th Blueair and by far the best. Highly recommend. Impressive!

  • H
    haleyc134_2405
    3 months ago
    Rated 5 out of 5 stars
    Sleek, stylish, effective

    Loving my new BlueAir signature air purifier so far! It looks so sleek, doubles as a light side table, and is almost silent on the lowest fan setting. I love that the screen can be dimmed or locked so it appears to just be a table, and the app control and air quality info/scheduling is great too. I’ve mostly used it in eco mode for energy efficiency and really like it so far- the easily washable pre-filter is really convenient. I’m not sure how much replacement filters cost yet, but the app keeps track of the filter use and estimates lifetime for you. The cylindrical design isn’t the most space efficient, but since it can fit in with a room pretty well, it’s easier to have it centrally located to optimize air filtration- if you have an outlet nearby.

  • MR
    Michelle R.
    4 months ago
    Rated 5 out of 5 stars
    Helps me breathe better

    We love this air purifier. It’s perfect for my someone with allergies & 2 dogs. It’s also stylish & fits in with our living rooms design!

  • C
    crystalw52_2804
    4 months ago
    Rated 5 out of 5 stars
    Must Have

    10/10. I have severe allergies and the Blueair Blue Signature makes a drastic difference in my symptoms. I love that it has a huge radius that it covers, so I’m able to take care of the entire downstairs of my home. It’s quiet and produces a calming light white noise. Clears up food smells fast as well.

¹ Based on high-speed CADR by volume vs. similar competitive models

² Tested on PM2.5 up to 90 minutes.

³ Tested on Acetaldehyde gas vs. similar leading competitor filter

⁴ Tested on bacteria (S. aureus, K. pneumoniae, P. aeruginosa), virus (MS2) and mold allergen (A.niger) with a minimum reduction rate of 99.9% in 60min. Blueair does not claim to prevent transmission of airborne illnesses. Not tested on SARS-COV-2.

⁵ Based on consumer testing of 38 users over the course of 4 weeks

⁶ Compared to Blue Pure 211+