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Blueair - Blue Pure 511i Max 1138 sq ft HEPASilent Small Room Bedroom Air Purifier - White/Gray

Model: 111178
SKU: 6599737

Features

  • Powerful Air Cleaning for Small Rooms

    The Blue Pure 511i Max quickly refreshes indoor air in bedrooms, nurseries, home offices, and apartments. It cleans 237 csq ft in about 12.5 minutes and up to 1,138 sq ft in one hour.

  • Removes Dust, Smoke, Pet Dander & Allergens

    Blueair’s HEPASilent dual filtration technology captures 99.97% of airborne particles down to 0.1 microns, including dust, pollen, pet dander, mold particles, and smoke.

  • Quiet Air Purifier for Bedrooms

    Designed for sleep-friendly performance, the purifier operates as quietly as 19 dB, making it ideal for bedrooms, nurseries, and dorm rooms..

  • Smart Air Purifier with App Control

    Built-in air quality sensors automatically adjust fan speed when pollution levels rise. Use the Blueair mobile app to monitor air quality, control settings, and receive filter replacement reminders.

  • Compact Design for Modern Homes

    The Blue Pure 511i Max features a compact Scandinavian-inspired design with 360° air intake, allowing it to fit easily in small rooms while efficiently circulating clean air.

  • Let’s Clear the Air Easier

    Intuitive display, 5-color AQI, and simple two-button design make it easy to control fan speed 1 – 3 including night mode, auto mode and child lock.

  • Performance Comparison Disclaimer

    *Comparing pollen CADR on high fan speed (Blue Pure 411a Max & 411i Max vs. Blue 411 Auto), other units may vary. Based on AHAM maximum allowable certified rating which may vary from the AHAM seal claimed valued. Noise refers to the dB(A) difference in acoustic power.

  • Filtration Efficiency Disclaimer

    **When similar CADR was measured, Blueair models with mechanical and electrostatic filtration achieved less noise with less energy than same models with only H13 HEPA mechanical filtration.

  • Test Results Disclaimer

    ***Tested PM 2.5 (0.1 - 2.5 microns) up to 90min in a 30m3 room. Tested to remove min. 99.9% of S. aureus, K. pneumoniae, P. aeruginosa, MS2, E.Coli, H1N1, A.Niger.

Specifications

  • Recommended Room Size
    1138 square feet
    App Compatible
    Yes
    Wireless Connectivity
    Wi-Fi, Wi-Fi
    Air Quality Indicator Light(s)
    Yes
    Filter Type
    Activated carbon
    Clean Air Delivery Rate (CADR)
    125 cubic feet per minute

Reviews

Rating 4.8 out of 5 stars with 271 reviews

5 star rating. 231 reviews4 star rating. 27 reviews3 star rating. 8 reviews2 star rating. 4 reviews1 star rating. 1 review
96% would recommend to a friend
Customers are sayingCustomers appreciate the exceptionally quiet operation and the significant improvements in air quality provided by this product. Users also frequently highlight its strong overall performance, user-friendly design, and long-lasting filters. While the device is highly regarded for its effectiveness in bedrooms and allergy relief, some users have noted occasional issues with the stability of the Bluetooth connectivity.
This summary was generated by AI based on customer reviews.
  • Noise Level (111)
  • Air Quality (80)
  • Overall Performance (76)
  • Ease of Use (23)
  • Design (20)

Customer Images

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

  • Rated 5 out of 5 stars

    Fantastic Air Purifier – A Game Changer

    I recently purchased an air purifier from Best Buy, and I’m thrilled with its performance! The unit is sleek, quiet, and incredibly effective at improving air quality. Within days, I noticed less dust and fresher air in my home. It’s easy to use, with intuitive controls and a compact design that fits perfectly in my space. Highly recommend this product to anyone looking for a reliable air purifier!

    Posted by PeterV

  • Rated 5 out of 5 stars

    Great Air Purifier

    This was a great purchase I have noticed the air seems much cleaner. I no longer wake in the morning with a stuffy nose. It is very quiet only time you notice it’s there is when it notices a decrease in air quality and is working to bring the level of air quality back up and even then the sound is nothing unbearable. I would definitely purchase this again and plan to.

    Posted by SG23

  • Rated 5 out of 5 stars

    Great air purifier.

    I’m really happy with my purchase. This air purifier is exactly what I needed. It checked all my boxes. It looks very nice, fits my aesthetic perfectly. It has HEPA and carbon filter . It’s so quiet even on the highest level the sound is not too loud more like white noise . The filter is easy to replace the app let you know when the filter needs to be changed. The set up was very easy on my phone and connect to Wi-Fi very easily. I love that I can control it from anywhere. I’m also very happy that it tells me how long it will take to clean my air. It’s really improved the quality of the air in my home. my husband vapes and this helps keep my air fresh and clean . I definitely recommend it and am looking to purchase another one for my bedroom and one for my mom..

    Posted by VanessaC

  • Rated 5 out of 5 stars

    Cleaner Bedroom Air !!

    Received this item very quickly. Very easy setup. I programmed it to come on at 10:30 pm to clean our bedroom air right before going to bed. We have furry pets & I believe that I am somewhat allergic to their fur & dander, so I thought this would help my sleep. It does a great job & continuously monitors the air quality. Our bathroom is just off our bedroom & I've noticed that it is so sensitive that it even senses my wife's perfume that she uses after a shower and indicates a higher level of "pollution" .... an increase in airborne particles .... which quickly disappears after she's done. But I found this to be quite interesting! It is quiet & more than sufficient for this room size. One Note: DO NOT put anything on top of it. I momentarily laid my cellphone on it & the touch sensors somehow responded and messed it up, so I had to remove it and reprogram it, which causedvit to lose several days of monitoring data. No biggie, but it waa aggravating. Other thsn this, I am very, very satisfied eith it.

    Posted by Skip

  • Rated 5 out of 5 stars

    Quiet

    Great for our downstairs. Fan is always running on automatic and cant hear it at all unless the air quality isnt good. App is great. Easy to setup and filter lasts 1 year!

    Posted by Tdawg

  • Rated 4 out of 5 stars

    too early

    Too early to provide any definitive review. Later would make more sense.

    Posted by iceman

See all customer reviews

Questions & Answers

  • How often do you need to change the filter?

    Thank you for your question! To replace the filter in your Blue Pure 511i Max air purifier, please follow these steps: Turn off and unplug your air purifier. Twist the top of the air purifier to remove it. Remove the pre-filter and noise shield. Slide out the old filter and replace it with a new one. Then Reassemble the air purifier and secure in plance the the pre-filter, noise shield and top. For a step-by-step video tutorial, please visit: https://www.youtube.com/watch?v=WTrvKi5SfMQ

    Answered by Blueair Support Team
    Blueair Support Team response

  • What type of filter does the air purifier use?

    This air purifier uses an activated carbon filter.

    This question and answer was generated by AI based on customer and product data.

  • Is the air purifier compatible with a mobile app?

    This air purifier is compatible with a mobile app.

    This question and answer was generated by AI based on customer and product data.

  • Does the air purifier have a timer?

    This air purifier has a programmable timer.

    This question and answer was generated by AI based on customer and product data.

  • How long does it take to clean a 465 square foot room on high?

    It takes 30 minutes for the Blue Pure 511i Max air purifier to clean a 465 square foot living space on the highest setting.

    This question and answer was generated by AI based on customer and product data.
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