Appliances Presidents’ Day SaleEnds 2/26. Limited quantities. No rainchecks.Shop now

Skip to content
Main Content

Customer Ratings & Reviews

Your price for this item is $229.99

Customer reviews

Rating 4.8 out of 5 stars with 117 reviews

Rating Filter

Rating by feature

  • Value

    Rating 4.7 out of 5 stars

  • Quality

    Rating 4.8 out of 5 stars

  • Ease of Use

    Rating 4.9 out of 5 stars

Pros mentioned filter

Cons mentioned filter

94%would recommend to a friend

Customers are saying

Customers are satisfied with the Blue Pure 311i Max 1,800 Sq. Ft Smart HEPASilent Air Purifier for its quiet operation, ability to alleviate allergies, and overall improvement in air quality. Users appreciate the modern design, intuitive app, and auto mode that adjusts the fan speed based on air quality. The washable filter and smart features are also well-received.

This summary was generated by AI based on customer reviews.

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.
Page 5 Showing 81-100 of 117 reviews
  • Rated 5 out of 5 stars

    We have a few now

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great air filter we actually have a couple now and love them

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Excellent air purifier.

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Whisper quiet air purifier. Measures the air quality accurately and works accordingly. I would recommend this.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Excellent product

    |
    |
    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Absolutely great. PM meter, filter, everything at your hand!

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Amazing

    |
    |
    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Works as it says, the fan is powerful and also quiet

    I would recommend this to a friend
  • Pros mentioned:
    App
    Cons mentioned:
    Cord length
    Tech Insider Network Member

    Rated 5 out of 5 stars

    Medium - Nicely sized

    |
    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    In the box is the air purifier with power cord attached and a plastic bag with a user manual (and a flyer with a QR code for an extended warranty and information for a subscription on replacement filters. First impression, great size but the cord is medium sized, so depending on where you want to place the purifier, the cord may not be long enough. For me, I wanted put it in a central location for the bedrooms but my hallway is narrow so I had to opt for the dining room area. When I have guest, I put it back far enough for all sides to have air flow. Please note, this is my first air purifier. I ended up testing the air purifier in different rooms in the house on the upper level. I plugged it in and turned it on and I noticed the blinking Wi-Fi light and on the front of the purifier, there is a blinking light as well. The different colors (red, amber, white, green, blue) tell you the status of the air from very polluted (red) to excellent-clean (blue). I noticed in all of the rooms it started with white and within 15-30 minutes, the light turned blue. The fan has three settings, low, medium and high. In my opinion, the fans sound like a regular standing fan on the highest setting and you barely hear the fan on the lowest setting. Most of my household have a fan that continuously blows year round, so the sound of fan on the highest setting did not bother me. There is also two other buttons, auto mode and night mode. Auto mode is based on the PM2.5 indoor level to ensure optimal air quality and the night mode sets the fan at the lowest speed and fully dims the lights. Wi-Fi - For the purifier wifi settings, you can chose to use the app or not. The app is called Blueair and it is a white box with a blue dot in the center. On the purifier, when the Wi-Fi light is blinking that means you’re not connected. When the light is solid, that means you are connected to the app. The app will walk you through connecting to wifi and it will allow you to have a visual of the information on the purifier. It also shows your filter status, adjust the brightness of the lights on the purifier and you can also add a schedule. There are also three lines that you can push on the upper right hand corner of the app and you can view the air quality map, blueair store, your profile, warranty, settings, voice assistants, support and policies. I personally did not use the app in the beginning and you can get the same information on the purifier. I do however like the app for the purpose of adjusting the settings from another room with my phone instead of walking to press the buttons on the unit. The information for the filters is listed on the app and in the User Manual. Overall, I really like this product and I hope to buy another one for the lower part of the house. I would recommend this to friends and family.

    I would recommend this to a friend
  • Rated 3 out of 5 stars

    It's okay but it's hard to tell if it's working

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It seems to have problems where the timeline doesn't remember what the past air clarity and always sets it to it's current air clarity

    No, I would not recommend this to a friend
  • Pros mentioned:
    Design, Quiet
    Tech Insider Network Member

    Rated 5 out of 5 stars

    Superior Purification with a Sleek Aesthetic

    |
    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I have always been a proponent of Blueair purifiers to which the Blue Pure 311i Max air purifier really sets itself apart. With its advanced features and superior performance, it ensures clean and fresh indoor air. First right out of the box, the purifier has a very sleek and modern design. The shape seems to not only add an aesthetic touch but also serves a functional purpose by maximizing the air intake from all directions. The build quality is excellent, with sturdy construction that feels durable and long-lasting. Moving onto performance though this purifier definitely excels in nearly every element. It includes a combination of three filters: a fabric pre-filter, an activated carbon filter, and a particle filter. The fabric pre-filter is something I definitely appreciate as it traps larger items like pet hair which will ideally extend the lifespan of the main filters. The activated carbon filter supposedly eliminates odors to which I can say this holds true as we utilize the purifier in our basement where our kids play and it definitely eliminates all those unwanted smells that come along with kids. Then lastly, the particle filter supposedly removes those small particles such as allergens, pollen, and mold to which this is difficult to verify though we have not had any allergy or mold issues since it is that time of the year when those pop up. There are a multitude of features of this purifier, but the two I want to mention are how quiet it is during operation and also the ease of maintenance. The purifier is absolutely whisper-quiet as you can barely even notice it is running. Even at higher fan speeds, it remains remarkably silent. Though we use it in our basement I definitely would not hesitate to use it in a bedroom or office where noise would need to be kept at a minimum. The ease of maintenance is another key selling point for me as maintaining the purifier is a breeze. The fabric pre-filter and particle filter are both washable which is great as it reduces the extra cost of numerous replacement filters. I also can`t go without mentioning the various smart features that enhance convenience and customization. Firstly, the auto mode adjusts the fan speed based on the air quality in real-time. Additionally, the device is compatible with the Blueair app, which provides remote control elements along with access to air quality data. Overall, the Blue Pure 311i Max air purifier stands out as an exceptional choice for those looking for cleaner and fresher indoor air. With its innovative design, powerful filtration system, and smart features, it delivers outstanding performance. This air purifier surpassed all my expectations and I would definitely recommend it to those in the market for a new air purifier.

    I would recommend this to a friend
  • Pros mentioned:
    Allergies, Design, Quiet
    Tech Insider Network Member

    Rated 5 out of 5 stars

    Simple and Effective

    |
    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I'm familiar with Blueair because I had an older model of their air purifiers in my home. As you can imagine, I was excited to pick up this newer, smart air purifier. When it comes to design, Blueair has it down. The Pure 311i Max looks simple and elegant. While my model came with a gray fabric prefilter, there are different other colored fabric prefilters you can buy online. It's a great way to change them out regularly, helping to filter the air and keep the purifier looking new. The prefilters are machine washable, so that's a plus! You can control the Pure 311i Max from the onboard button or via the smartphone app. With a few different speed levels from one to three, plus an auto and night mode, this purifier should work fine for most situations. In fact, I would suggest leaving it on auto mode and letting it do its own thing. While on auto, it will speed up and slow down depending on how it senses the quality of air in your home. The Pure 311i Max is smart-enabled thanks to the Blueair app. App controls and interface is fairly simple and straight-forward. You will be able to see a charted history of your air quality, change the LED brightness on the actual purifier, set speed schedules, and - of course - basic functions such as power and speed. If you have little children in your home, there is also a cool "child lock" function that prevents the buttons on the purifier from being changed. While I generally keep my purifier on auto, I say that it's generally silent. I barely even know it's on unless the purifier detects some questionable air and automatically spins up. At its highest setting, I wouldn't say that it's loud per say, but it is noticeable. That's fine though, because the goal is to push as much air through it as possible on high. I have bad allergies and believe in the power of home air purifiers. Give my past experience with Blueair and the last week with my Blue Pure 311i Max, I would definitely recommend this for anyone searching for a hassle-free purifier for medium-size spaces.

    I would recommend this to a friend
  • Pros mentioned:
    Air quality, App, Quiet
    Tech Insider Network Member

    Rated 5 out of 5 stars

    Great "basic" filter, with some advanced options

    |
    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    If you are in need of a filter that has excellent auto detection, isn't too loud, and looks fairly good while sitting there? Here you go! Setup: to get the most out of this filter, you'll want to install the app. You can use it without it the app by using the buttons on the top of it, but to get the most out of it...get the app! The app is easy to set up. I already had another Blueair filter, so adding this one to my app was very easy. Following the instructions it only took a few minutes. Use: You can use this in manual mode, or automatic mode. In manual mode you set the fan speed and it just sits there and runs. In automatic mode, it senses particles in the air and adjusts fan speed as needed. This filter only senses one "type" of particle (which is basically smoke and actual small particles in the air). This overall works very well. There are some higher end filters that are able to detect multiple different types of particles, but they do cost much more. If you are using the app, you are able to see what the filter is sensing, and also change modes. You can also set schedules. This filter is in my bedroom, so I have it scheduled to go into "night" mode at, well, night. This turns off the LED's on the filter, and also sets the fan to its lowest speed. You are also able to buy different colors of "wraps" if you choose. They slip on and off the bottom (the gray part in the picture). Overall: This is a nice filter, and isn't too noisy even on its highest setting. I set it on auto mode during the day, and it seems to sense stuff very well. I burned some food cooking (which is on the floor below), and I went upstairs and it was on high working to clean the room. 30 or so minutes later, it was back down on low.

    I would recommend this to a friend
  • Tech Insider Network Member

    Rated 5 out of 5 stars

    Modern air purifier that's actually quiet

    |
    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I first used an air purifier a few years ago at my job where dust was a problem. It was small, but it helped a little, especially with my allergies. A few months ago, I pulled it out while I had a sinus infection and it helped slightly, but it's a very small unit and it just wasn't sufficient for my bedroom or living room. I wanted something bigger, and this Blueair Air Purifier showed me the difference a bigger unit can make. I knew this unit was bigger than the little one I have, but I could not believe the size of the box when it arrived - it's really big (almost 19 inches tall, 11 inches diameter). What is surprising is that even with it's large size, it's really lightweight. This is good because there is no handle or grip, so it takes two hands to pick it up. Of course, the most impressive feature at all is how quiet it is. They are not kidding! The air intake the side of the unit, which has an outer filter. This filter, which feels a little like a loose-weave fabric, and this is removeable and washable. The air comes out through the top. In the center of the top are the controls. These are buttons, but they are more like a touchscreen, as a light touch is all it takes to operate them. Blueair also has an app that can be used to control the unit as well. This is good because in an effort to minimize the buttons, there are a few functions that can be controlled with the buttons, or combinations of buttons, held for various amounts of time. In other words, if you don't want to use the app, expect to memorize some button combinations and/or "press and hold" times to control things like changing the LED brightness and child-lock. If you use the app, it is much easier to manage these controls, and even have greater control. Here are some of the great features of this air purifier: - Cleans the air of a large room in about 30 minutes - Clear labeling of the buttons which are easy to use due to their touchscreen-like sensitivity - Child-lock to prevent accidental changes to the settings - Washable outer filter and inner filter is less expensive than a lot of other brands - Air purifier notifies you when it's time to change the filter - Outer filter is washable - LED's are bright if you need them to be, but can be dimmed to the point of being off completely - Smart device app available for greater and easier control Here a couple of things I wish it had, or did differently: - No handle. It cannot be easily lifted or picked up with only one hand. - There is no timer (meaning no option for auto-shutoff after 1 hour, 2 hours, 4 hours, etc). It does have a schedule feature which I'll explain below. - I had trouble a couple of times getting it to reconnect to WiFi after unplugging it. When I moved it to another room, I sometimes had to disable and re-enable the WiFi feature to get it to connect. - Some features are only usable with the app (such as scheduling), and other features, like the LED brightness, require pressing combinations of buttons to adjust, which are not clearly labeled and can be tricky to memorize until you do. Using this air purifier with the app gives a few extra features, including being able to control multiple Blueair Air Purifiers (if you have more than one, and they don't have to be the same model). One that I particularly like is the fan speed. The unit has 3 fan speeds, which can be adjusted with the buttons and the LED will indicate the selected speed. However, if you change this in the app, it has a slider that allows you to adjust the speed anywhere between these levels, giving you the ability to fine-tune the speed. I really like this because I found that anywhere from the lowest setting to about 1.5 was barely audible to me. Speed 2 is where I could start really hearing the fan blowing. The unit contains a noise shield, which I believe makes quite a difference. Additionally, it seems to keep the fan noise at a lower pitch, which makes it more like a white noise and less disturbing in the background. It also has a "night" mode, which disables the LED's and turns it down to the lowest setting to essentially eliminate the noise, but if you sleep with a fan on at night, you can go higher than the night mode provides and your fan will likely drown out any noise from this unit. There is also an LED light on the side of the unit that is color-coded based on how clean your air is (5 levels), so this should change if the room air is "dirty". Mine measured clean from the start, so I haven't seen this yet, but opening the windows on a pollen-filled day, or an evening of a lot of cooking might be a different result. The app also shows this as well, with a graph to show how it has changed over time (assuming the unit is running). One feature I wish this model had was an auto-off mode. Instead, it has a schedule, which can only be programmed in the app. You can set multiple schedules right down to the minute. However, if you just turn the unit on, you have to manually turn it off, even if you create a schedule that puts the present time in the middle of that schedule. The scheduler only works if the unit can enter and exit that scheduled time without interference. The larger and more powerful (and therefore more effective) Blueair Air Purifier is a really good choice if you are using it in a larger space. It does not require the use of the app, but if you decide to download it onto your smart device, you will have a very easy time operating this unit. If you value less noise and do not feel the need to run the unit at max, this is the quietest air purifier I have ever used. Overall, highly recommended! -

    I would recommend this to a friend
  • Rated 1 out of 5 stars

    Won't buy this btand again.

    |
    |
    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Fan quit working 3 months after I bought it. Can't return it can get the manufacturer to replace it. The filter that was recommended by the website is not the right filter. Overall very disappointing. Will not purchase from this brand again. $250 down the drain

    No, I would not recommend this to a friend
    • Brand response from Blueair Support Team
      Posted .

      Thank you for taking the time to leave us a review. Quality is important to us, and we’d love to make this right. Please contact us at the following link so that our team can help resolve this issue: https://www.blueair.com/us/contact-us-page.html blueair

  • Pros mentioned:
    Air quality, Allergies
    Tech Insider Network Member

    Rated 5 out of 5 stars

    My 2nd BlueAir Purifier, Better than the Last One

    |
    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I chose the Blue Pure 311i Max to replace my older model BlueAir Filter. The new filter can connect to Wi-Fi for remote app control. The app seems to report the air quality on a chart, but so far, it's saying my existing air is "Excellent," which may be because it replaced the existing filter, which was also doing a decent job. However, some PM 2.5 was detected in the room (PM2.5 is "Fine particles", such as "fine dust, exhaust, bacteria, and pet dander"), so it's working already. The app controls Fan Speed (lower speeds are quieter/silent, higher speeds filter quicker), Automatic Mode, Night Mode (extra quiet and dimmed lights), and a child lock function. Of course, the app will tell you how much life is left in your filter as well - and yes, the device has a filter warning light on it; however, the app may let you know how close you are to that 'replace filter light' coming on. The app has a welcome home feature to filter the air as you get closer to home, but you have to make sure you give the app (1) background location permission, and (2) unrestricted battery (no optimization). My previous blue air filter did not have Wi-Fi features, so this is a nice upgrade. I will tell you immediately there is a different quality in the air and a different feel in the room on the first day of its running. I feel more relaxed (my skin even) in this room than before I replaced it. There was previously only one or two other places (outside the house, such as other businesses) where my skin had this relaxed feeling, probably because of good filtration there (I suspected). Now I have it at home. Time will tell if this remains true or if it's just like a placebo effect appearing because I was hoping for something like this. Most air filters work best in a room with closed windows because, with open windows, you are filtering outside air with an endless supply of allergens. In reality, most of us do occasionally open the windows, especially (in my case) in fall and spring (which may be the worst time for allergens) when temperatures outdoor are nicer. It's unclear if doing this will shorten the filter life. I chose this product after already owning another BlueAir purifier, because i was happy with the brand. This product is even better than my last one, and I recommend this especially if you have allergies,

    I would recommend this to a friend
  • Pros mentioned:
    Air quality
    Tech Insider Network Member

    Rated 5 out of 5 stars

    Nice aircleaner for a good sized room

    |
    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I recently received a Blueair – Blue Pure 311i Air Purifier. This is my 3rd Blueair air cleaner. I have them all in use all of the time. The key to the simplicity of the devices is the Blueair App. I run mine on Android. The app is available on iPhones as well. After you unpack the device, the first thing you want to do is setup the Wi-Fi. Once you setup the Wi-Fi you can schedule how and when it operates. I typically have it on “Auto” during the day and run it in “Night Mode” during sleeping hours. The air filter has a control panel. The control panel has an On/Off button and a Fan Speed button. There are indicators for Auto Mode, Night Mode, Speeds 1,2 and 3, Filter Replacement and Wi-Fi. You can control the settings with the buttons or the app. Using the app has the advantage of you being abled to set a schedule and never have to touch the air cleaner until it’s time to change the filter. Using the buttons, you can also change the brightness of the display as well as enable or disable the child lock. You can also enable and disable the Wi-Fi and perform a Factory Reset with the buttons. The Air cleaner consists of the upper motor housing with the controls, a Silencer ring, particle & carbon filter, and a washable fabric pre-filter. The pre-filter is the actually the outside of the unit. When it’s time to clean it, just throw it in the washing machine. It’s a nice air cleaner. It does a good job of getting the dust and allergens out of the air. I recommend this filter for anyone looking to clean the air in a room.

    I would recommend this to a friend
  • Pros mentioned:
    Design, Quiet
    Tech Insider Network Member

    Rated 5 out of 5 stars

    Quiet and Modern Air Purifier

    |
    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The Blueair - Blu Pure 311i Max is an outstanding home air purifier not only in design but function. This is the second Blueair product that I own and am quite pleased with it as I was with my first one. Although the Blu Pure beats it in the looks department. It has a modern cylindrical design with a cloth material going around most of the unit, reminding me of a giant Bluetooth speaker which mind you is not a bad look for an air purifier. Mind you most air purifiers are big and rectangular and don’t look aesthetically pleasing no matter where you place them in the home. This model however will blend into most modern/minimalistic designs in my opinion. Functionality wise it is rated for a room size of 388 square feet. There are air quality indicator lights that visually reflect the quality of air at a glance. It has a programmable timer and there are 4 fan speeds to choose from. All these controls can be accessed from the top of the unit and are very simple to operate. Alternatively you can access all this and more through the app. Another important feature that we all look for in an air purifier is how quiet it runs while operating. On the specs sheets it lists the unit as “Quiet Mark certified (23-50dB) all I can tell you that in person it is quiet. My kids have allergies and I love this in the home especially during spring/summertime.

    I would recommend this to a friend
  • Pros mentioned:
    Allergies, Quiet
    Tech Insider Network Member

    Rated 5 out of 5 stars

    Quiet & Effective!

    |
    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    We have been searching for the perfect HEPA Filter for our daughters bedroom, as she suffers from severe allergies. Our goal was to pick up something that was quiet and effective, and that we could control remotely even when we are not in the room. We needed the filter to be quiet enough to not wake her up, and the Bluair Blue Pure 311i Max is absolutely perfect. We were able to get it opened up and setup in her room in about 10 minutes, including the time to download the app to both of our cell phones. From there we had everything up and running in just a few minutes and we are able to get this running a few hours before bedtime with ease! The filter is doing a great job, and we already notice less sneezing in the mornings. One of my favorite things is that the replacement filters for this are not crazy in price like some others! Overall I would definitely recommend picking up the 311i Max if you have a small to medium room you plan to use the filter in, and need something that has some more advanced features like the app which allows you to have remote access.

    I would recommend this to a friend
  • Pros mentioned:
    Allergies
    Tech Insider Network Member

    Rated 4 out of 5 stars

    Pure Blue Air.... like the name suggests.

    |
    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I started my Blueair product journey three years ago and I’ve been happy with the results overall. There are a number of nit-picking items that I had hoped were fixed in this newer model which I’ll come to in a moment. For new buyers I caution that the replacement filters are the most costly part of owning these devices so budget accordingly. The 311i replaces the rectangle block design of the ones I own with a rounded design that makes the look more like speakers than air purifiers, something I’m not a big fan of as I don’t like accessories drawing visual attention to themselves. Rounded objects also make vacuuming the space around the object difficult. Blueair uses Bluetooth and Wifi to link the device to a smartphone via their app. For the most part once the device is connected and set to Automatic there’s very little to play with beyond filter replacements. I was disappointed to find that there is still no method to change the registered Wifi network on the device; doing so requires the device to be deleted from the app and then re-added. Though my children are old enough to know not to mess with these devices, the addition of Night mode and Child Lock are useful software features that will prevent the physical buttons from working in the event your toddler is attracted to the Blue lights and decides to start pressing buttons. The previous models I have don’t have these software controls, mostly because in the previous design the buttons were concealed beneath a snap-up panel that at first glance of the device doesn’t appear to open. This new rounded design eliminates the snap-up panel making all the buttons visible and enticing to toddlers. We placed this unit in our bedroom. My wife has super-hearing and is a light-sleeper. I’m happy to report that she doesn’t even notice the fans running on this unit. Kudos to Blueair for near silent operation. Blueair partners with Breezometer for an in-app zoomable map of the world that shows the surrounding air quality. This feature is helpful when the unit kicks into higher gear than normal and you want to understand why. As a seasonal allergy sufferer having these units has helped keep the air on our home fresh and I’m happy to have them doing their task each day.

    I would recommend this to a friend
  • Pros mentioned:
    Quiet
    Tech Insider Network Member

    Rated 5 out of 5 stars

    Outstanding performing air purifier

    |
    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I have been using a larger Bluair purifier for my kitchen and family room now for over 2 years and it has been an outstanding product. I wanted something small for my bedroom and bath and had the opportunity to test and review this new Bluair 311i Max. Bluair claims it cleans 387 sq. ft. in 12.5 minutes and 929 sw. ft. in 30 minutes. This is a really nice purifier. It is a great size and is fairly light weight. The manual instructs you to download the Bluair app and connect to Wi-Fi. When you first turn on the unit the Wi-Fi indicator will blink. The manual says to have the unit within 15 feet of your router. I first attempted to connect the unit in my bedroom and it was too far away apparently as it would not connect. I moved the unit to my office where the router is located and it connected right away. The app walks you through the set up which includes connecting to the Bluetooth on your device. Not sure why this is required as after this step is completed you no longer need to have Bluetooth on in order to use the app. After I finished setting everything up, I moved the unit back to my bedroom and began testing it. The unit itself has a series of buttons on the top for on/off (standby), fan speed, auto mode and night mode as well as an indicator to let you know the filter needs changed. There are indicators for the 3 fan speeds. There is also a colored light on the front of the unit to let you know what the air quality level is. If you push a combination of the fan speed and on/off button you can change the brightest for the lights. I tested all these functions and everything worked as expected. I primarily use the app to operated the unit. The app provides data on outside air quality (not sure how it knows). When you access the purifier, it provides data on the inside air quality. What I really like about the app is you can turn the unit on and off (standby), adjust the fan speed, set auto or night mode, set child lock and adjust the brightest of the lights. What is really interesting when adjusting the speed instead of just options for 1, 2 or 3 you can have incremental levels between each one and the app tells you what percentage the fan is running at. For example, at fan speed 1 it runs at 12% and fan speed 2 runs at 56% you can adjust between these values. I have been running this around half way between 1 and 2 at 30%. This gives me a good air flow and the noise level is very comforting. This purifier is very quiet. On night mode you can’t hear it at all and even at level 3 it is quieter than many purifiers I have used. Replacement of the filter is easy. Simply detach the top, remove the silencer ring and the sock pre filter and remove the filter. The filters are now expected to last up to 9 months versus some purifiers that last only 3-6 months. The filters are very reasonable at around $35.00 and even less if you have a renewal subscription. I have been using this product for the last 3 days and it has performed exceptionally well. My bedroom and bath smell noticeably cleaner and fresher. It this unit continues to perform as well as my larger Bluair this should be a great air purifier to have. This is probably the best air purifier I have found in this price range. I would highly recommend this product.

    I would recommend this to a friend
  • Tech Insider Network Member

    Rated 5 out of 5 stars

    Attractive and quiet HEPA air purifier.

    |
    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Good looking and quiet air purifier. It’s a lot bigger than the pictures make it seem, with an overall size that takes up the same amount of space as a small ottoman. I didn’t remove the filter cover, but it feels like the filter spans a full 360 around the body, so it pulls in air from all sides. The purified air then comes out vertically through the vented top, which you can feel as you stand over it. It doesn’t come with a remote, but you can monitor and control it through the Blueair phone app that’s free on Android and iOS. And I guess this is what sets it apart from other HEPA air filters, because not only can you get a live feed of the current air quality (down to 2.5 microns!), but also a readout of the current outside air quality, and of course you can use it as a remote. Unfortunately, you’ll have to look at higher end models if VOC detection or UV capabilities are a priority. In terms of day to day use, air purifiers are kind of a set and forget thing. What I love about this one is that it has an Auto setting that automatically increases the fan speed depending on the quality of the air it’s pulling in. It mostly always stays at a low level that I can barely hear, but it ramps up quickly if someone has been smoking or vaping nearby. At the highest level, there’s clearly an audible whooshing sound with a little bit of intermittent whirring. However, it’s not so loud that I feel like I have to speak over it or blast the TV. Outside of the Auto and 3 speed settings, there’s a Night mode, which I’m honestly not sure what it does. I know it turns off the blue illumination light on the front of the purifier and dims the display, but I don’t know if it does anything in terms of limiting fan speed. What’s also pretty nifty about the Pure 311i series are the interchangeable prefilters. This is the cloth that wraps around the outside of the purifier. While I like the gray mine that came in, there’s currently 2 other colors available that I can swap over to and I can only imagine the third party designs that could be available in the future. Overall, if you’re looking for an attractive medium room air purifier I highly recommend checking out the Blueair Pure 311i Max. It’s has a HEPA filter, looks good, works well, is generally whisper quiet, has a customizable cover, and an air quality live feed. Works great on smoke, vapor, and pet smells.

    I would recommend this to a friend
  • Pros mentioned:
    Design
    Tech Insider Network Member

    Rated 5 out of 5 stars

    Effective Air Cleaning and Super Quiet

    |
    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This product has a very interesting design as the filter is part of the structure of the device and it is quite solid. The device also includes a washable fabric prefilter. This fabric functions both as a filter and as a nice decorative cover over the carbon/particle big filter. Overall, an ingenious design including the structure and the touch controls. There is also an excellent app for the Blueair filters. I have another larger Blueair, so I was able to just add this filter to the same app. Controls are so intuitive you may not need to even look at the user manual which is also well done. The manual does show the parts of the system including a ‘noise/shield ring’ to reduce fan noise. There is a sleep mode which can reduce the fan speed such that there is no perceptible noise. The only way to tell the fan is even moving is to place your hand above the unit to feel the breeze from the unit as it filters your air so quietly. You also have manual controls on top of the unit which are touch controls - very nice, and they work great. One caution is to avoid touching the on/off button-area while changing fan speeds. You'll do this once I think and accidently turn the unit off. It is one small area that the engineers should look at, I'd suggest a double touch to turn the unit off would be a slight improvement. I recommend using the devices WiFi capability and installing the Blueair app. Open the app and it will show you available devices, pick the picture matching your unit and the rest of the steps are guided by the app. You do need to have Bluetooth on as well. Sometime products require several times to get connected, but this unit did it in one step and quickly - tip of the cap to the programmers and engineers at Blueair. Unlike cheaply made units, this one has the quiet fan speed which is very important if used in a bedroom. The entire unit is made of quality materials and the engineering is superb. I would highly recommend this unit for a bedroom or small living room.

    I would recommend this to a friend
  • Tech Insider Network Member

    Rated 5 out of 5 stars

    I've got to have BlueAir!

    |
    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This is my second Blueair Blue Pure product. I upgraded from the Blue Pure 411i to the Blue Pure 311i. I am very allergic to dust, therefore an air purifier is a must in my home. I prefer to have one in each of the rooms instead of one for the whole house. This one was placed in my bedroom. The Blue Pure 311i is almost twice as large as my previous Blue Pure. It was delivered in a huge box. The set-up was pretty straightforward, remove packing plastics, place the dust cover on, then plug in the device. There is an app that allows you to control the air purifer remotely, plus many more additional functions. After bluetooth and Wifi connections were reached, I turned on the air purifier. First I was truly amazed at how this unit is so quiet. The noise shield works great! At the highest setting 3, it's about as loud as a box fan on low. This air purifier is great for my older home as it not only removes dust, it removes pollen, pet dander, mold, bacteria and viruses, cooking odors, chemicals, and smoke. The particle sensor measures the fine particles level. (PM2.5) There is an LED indicator to show the air quality in different colors, from excellent to very polluted. The BlueAir pre-filter can be cleaned in the washer. I have other brands air purifiers in my home that are slowly being replace with Blue Air. Highly recommend.

    I would recommend this to a friend