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๐ฌ๏ธ Elevate your air gameโbreathe cleaner, live smarter.
The Blueair Blue Pure 511 is a compact, Energy Star-certified air purifier designed for spaces up to 432 sq ft. Utilizing exclusive HEPASilent technology, it quietly removes 99.97% of airborne particles as small as 0.1 microns, including allergens, viruses, and smoke. Its whisper-quiet 24 dB operation and customizable Scandinavian-inspired pre-filters make it ideal for bedrooms, offices, and nurseries, delivering fast, efficient air purification with minimal energy use.

| ASIN | B08KPJCDN6 |
| Best Sellers Rank | #3,029 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #15 in HEPA Filter Air Purifiers |
| Brand | BLUEAIR |
| Brand Name | BLUEAIR |
| Color | White/ Dark Grey |
| Contaminant Filtration Capability | True |
| Control Method | Touch |
| Controller Type | Button Control |
| Customer Reviews | 4.4 out of 5 stars 3,381 Reviews |
| Filter Class | HEPA |
| Filter Type | Activated Carbon |
| Floor Area | 432 square_feet |
| Included Components | Air Purifier, installed filter, fabric pre-filter |
| Item Dimensions D x W x H | 7.9"D x 7.9"W x 13.9"H |
| Item Highlight | Compact, quiet 24dB HEPASilent filtration, AHAM Verified, Energy Star, Washable Pre-Filter, Captures Pet Hair Allergens Smoke |
| Item Type Name | Air Purifier |
| Item Weight | 5.2 pounds |
| Manufacturer | Blueair |
| Model Name | Blue Pure 511 100-120V with Particle + Carbon filter, Arctic Trail |
| Model Number | 3131000000 |
| Noise Level | 24 db |
| Number of Packs | 1 |
| Part Number | 109994 |
| Particle Retention Size | 0.1 micron |
| Power Source | Corded Electric |
| Product Dimensions | 7.9"D x 7.9"W x 13.9"H |
| Software Update Supported to Date | unknown |
| Special Features | Corded |
| Specification Met | Energy Star Certified |
| UPC | 689122023182 |
| Unit Count | 1 Count |
L**Z
Small Size, Big Difference
I was looking for a compact air purifier for a bedroom, and this one has exceeded my expectations. Itโs surprisingly powerful for its size and blends in beautifully with the room thanks to its modern, minimalist design. What I love most is how quiet it is. On Auto mode, I barely notice itโs running, making it perfect for sleeping, working, or a nursery. The air feels noticeably fresher, and Iโve found myself waking up with less congestion, especially during allergy season. Setup took just a couple of minutes, and the controls are simple and intuitive. I also appreciate that it automatically adjusts its fan speed based on the air quality, so I donโt have to think about it. If youโre expecting it to purify an entire large house, this isnโt the right modelโbut for bedrooms, offices, nurseries, or other smaller spaces, itโs fantastic. Overall, itโs a premium-quality air purifier thatโs quiet, effective, and well worth the investment. Iโd absolutely buy it again.
A**.
Compact, Quiet and Stylish Air Purifier
Iโm very happy with this air purifier. Itโs compact, lightweight, and has a stylish, modern design that fits nicely in any room. One of the biggest advantages is how quietly it works, which makes it great to use even in the bedroom. It also has several useful settings, and the controls are simple and intuitive. Overall, itโs a very convenient and well-designed air purifier.
G**Y
So quiet and no bright lights!
I absolutely love this air purifier! While it doesnโt have Wi-Fi, that hasnโt been a drawback, The Wi-Fi models were more expensive and for larger areas than I needed, so this one was the perfect fit for my space and budget. One of my favorite features is that the bright white power light doesnโt stay on all the time. If youโre sensitive to light while sleeping, this is a huge plus. Itโs also impressively quiet while still moving a surprising amount of air. I have asthma, and Iโve already noticed a difference in my breathing since using it. Overall, Iโm extremely happy with this purchase and would definitely recommend it.
M**E
Difficult to understand use, no clear on and off
I like the effectiveness of this air purifier so as far as performance goes, I think it should have five stars. Since thereโs no way of testing air quality and we just have to go on faith, Iโm guessing that itโs a good quality machine. However, clearly it was designed with aesthetics in mind and not practicality. Itโs difficult to turn on an off or to know how to turn it higher or lower. You do this with a series of taps on the top ring. Itโs very Star Trek in a very unnecessary way. I love Star Trek. I love everything about Star Trek. I donโt think even they wouldโve kept this on the enterprise because itโs too annoying to use , however, having said that I just turned mine on low and keep it on all the time. I have noticed that environmental allergies bother me much less this year. If you are into the super modern look and have the gray walls that all designers think everyone should have now, you might love this look and usage facility might not bother you. I donโt think an older person would be able to use this easily. The only thing that lets you know if itโs on or off is a light that shines for a moment when you tap it. There is delay in the action so you donโt know if youโve actually turned it up higher or turned it off for a few seconds, so if youโre impatient like me and tap it again, youโll probably accidentally turn it off and have to start all over again . Again, weird design, leaving you confused. Is very silent and thatโs a big plus. It probably deserves one more star, but Iโm too annoyed with the lack of the on and off clarity to increase my stars. Hereโs an idea, how about somebody make a vintage looking air purifier with simple on off switches, make it look like a vintage radio. I bet that would be a big seller, the nice old-fashioned knobs. On and off. I have no idea how Iโm going to change the filter when itโs time to change it, the whole thing is a mystery as to how itโs assembled, and I wish they would just include a few extra filters with the purchase so then you werenโt trying to figure out what kind of machine you have and which kind of filters to buy six months later. Iโd be willing to pay extra to have the extra filters delivered with the purchase. If I sound annoyed itโs because I am. But Iโm sure the machine is good quality. Updated review 9/11/24: The machine is actually silent on low. Itโs been on all day and I didnโt even know it. You literally cannot hear it at all on its lowest setting. It also did a great job getting rid of a smell that was from something burned in my kitchen. So it is a very effective machine. I also now am wondering if the thing that I found fault with is actually a benefit to older people with arthritis if they cannot turn a knob, then just tapping the top might be very helpful to them. In fact, anyone with mobility issues could put this beside their bed and just tap it at night in the dark and it would be easy to use for them. Because it is silent, it will not work for you as a white noise machine. Iโm now going to add a star. Xo
C**M
Quiet, Compact, and Perfect for My Everyday Home Routine
Iโve really enjoyed using the Blueair Mini Max Auto Air Purifier in my home. I like that itโs compact enough to fit nicely in a bedroom without taking up a lot of space, but itโs still designed to handle a good-sized room. One thing I appreciate most is how quiet it is. I can run it while relaxing or sleeping without it becoming distracting. The auto mode is also convenient because I donโt have to constantly adjust the settings myself. With everyday dust, pet hair, and odors around the house, I like having an air purifier running to help keep the room feeling fresher. Overall, itโs been easy to use, doesnโt take up much room, and fits naturally into my daily routine.
C**E
Love It
It's sleek, small and quiet. I use it in my closed office and it's quiet enough that it doesn't disrupt my phone calls.
H**Y
Small minimalist design
Bought this for my sonโs dorm room. He seems to think it makes his room better (although his dorm is super old and the entire building smells musty to me, so who knows how much it can improve the air quality). Itโs fairly quiet and he leaves it on low all day, bumping it up to medium at night for the white noise. It is small with a minimalist design so itโs great for leaving on his desk.
M**A
Auto setting on this is amazing
I love the auto-setting on blueair devices. I never have to think about it, it just turns on by itself when there's something in the air. It doesn't like it when I light incense or sage (which I find hilarious), but also helps to keep the air clean while I'm cooking. Love it.
U**E
Efficace, silencieux la nuit, je lโadore, sauf pour le bouton du dessus
Le but de cet achat รฉtait initialement destinรฉ ร purifier lโair de ma chambre lโhiver, lorsquโil fait trรจs froid et que les fenรชtres sont collรฉes, ou ร certaines pรฉriodes du printemps, lorsquโil y a trop de pollen dans lโair pour pouvoir aรฉrer. Jโai reรงu cet article parfaitement protรฉgรฉ et avec un emballage du fabricant que jโai trouvรฉ astucieux. Une fois reรงu, jโai immรฉdiatement mis en fonction ce purificateur dโair, afin de vรฉrifier sโil รฉtait en รฉtat de marche. Mise en marche : Grรขce au mode dโemploi redirigรฉ aussi en franรงais, la mise en marche sโest faite facilement. Je suis satisfaite dโavoir pu lire les explications dans ma langue (je suis francophone). En appuyant une fois sur le bouton situรฉ sur le dessus, cโest le mode silencieux pour la nuit ou le repos; en appuyant deux fois, cโest le mode normal; en appuyant trois fois, cโest le mode ร toute puissance. Observation de ce processus : Il nโy a pas de bouton qui semble sโenfoncer, donc parfois je frรดle le dessus et je parviens facilement ร changer de mode, parfois il faut davantage appuyer. Je nโai pas rรฉussi ร comprendre oรน se situe le ยซ capteur ยป sโil y en a un. Ce serait le seul point nรฉgatif que jโaurais ร signaler. Pas de tรฉlรฉcommande pour ce premier prix, cela me convient parfaitement pour ma chambre. Cโest suffisant pour mon usage. Rรฉsultat de la filtration : Jโai laissรฉ fonctionner le purificateur environ 1h ou 2h (durรฉe au hasard), puis je suis retournรฉe dans ma chambre. Cโest incroyable la sensation de frais que jโai ressentie! Jโai senti immรฉdiatement la diffรฉrence, au point que jโai dรฉcidรฉ de mโen servir encore dรจs maintenant (pas uniquement pour lโhiver), tant jโai รฉtรฉ contente, ravie et impressionnรฉe du rรฉsultat. Usage en mode silencieux : Bien que je sois trรจs sensible au bruit en gรฉnรฉral, jโai dormi plusieurs nuits avec le purificateur dโair en action en mode silencieux. Et cela sโest trรจs bien passรฉ, ร ma grande surprise. Mon confort respiratoire sโest nettement amรฉliorรฉ grรขce ร cet appareil. Autres modes : Le mode normal est supportable en journรฉe, mais peut-รชtre pas de nombreuses heures consรฉcutives si la personne reste dans la piรจce. Trรจs bonne efficacitรฉ rapide. Le mode en toute puissance est trรจs bruyant, donc ร utiliser lorsque cโest temporaire. Personnellement, je lโai utilisรฉ lorsque jโai changรฉ mes draps pour les laver, tout en ayant aรฉrรฉ avant ou aprรจs. Si je lโutilise, je ferme la porte de la chambre. Par contre, bien que je sois ravie de mon achat, jโai faussement cru quโil y avait un affichage de la qualitรฉ de lโair avec un voyant lumineux. Je me suis mรฉlangรฉe avec les photos que jโai consultรฉes. Donc il serait souhaitable dโindiquer quโil nโy a pas de tรฉlรฉcommande, ni de connexion avec le tรฉlรฉphone, ni dโaffichage de la qualitรฉ de lโair. Cet appareil me convient parfaitement, ร ceci prรจs que jโaurais peut-รชtre prรฉfรฉrรฉ investir dans le modรจle juste au-dessus qui a le voyant de la qualitรฉ de lโair. Conclusion : Je suis trรจs satisfaite de mon achat, en dรฉpit de la difficultรฉ que jโai parfois ร savoir appuyer correctement sur le dessus (jโy parviens toujours). Selon notre budget, nous investisserons possiblement dans un second modรจle de cette marque spรฉcialisรฉe, qui aurait un voyant indiquant la qualitรฉ de lโair. Je dois prรฉciser quand mรชme que jโai choisi cette pour ses ยซ compรฉtences ยป, et ce modรจle parmi la gamme selon la superficie de ma chambre et le prix abordable du Vendredi fou. Bref, merci ร la marque dโexister au Canada. Soyez bien alertes sur les comparaisons de modรจles. Enfin, je dirais que ce modรจle serait parfait dans une chambre, que ce soit pour un enfant ou un bรฉbรฉ ou des adultes, ou bien dans une petite piรจce destinรฉe au tรฉlรฉtravail. Bon magasinage!
A**C
Easy to use
Quiet and enjoy the fresh air every night. Highly recommend for cleaning fresh air in your bedroom.
T**N
Love It
My Blue Heeler sleeps with me. Iโm allergic to dog dander. Iโve relied on Reactine and steroid eye drops (itchiness). Have not used either since getting this. Ensure you close your bedroom door and try to put it in a central spot. Low and med setting are very quiet. High setting a little too loud. I use med and it works great. Filters are a good price as well, something you need to consider when buying a purifier. This company has 3 different purpose filters you can get. Machine comes with the standard filter. Also watch for the micron filtering rating. This one goes down to 0.1 micron. Forget the ones that only go to 0.3 microns as that is to big of an air particle for good clean air.
O**.
Great but on the lower quality side
Good unit but I expected it to be on the lower quality side and it is. You feel it has lighter and slightly less quality parts. The unit was to use in my machine room in the basement so the fact that it is louder than it's siblings (higher quality models) is fine for my use. After only one day of usage, the fan bearing started to make a squeaky noise ... it comes and goes, but I expect it to get worse over time. I bought this unit at the lower price knowing where it would be used. If you don't have to sleep with it in your room then it is still a very good buy. I started to have a moldy smell in my basement and this got rid of the issue fast, on full blast.
M**F
Quiet air purifier
This air purifier keeps the air in my daughter's room clean. We have smokers in the adjacent unit to us and the smell drifts into her room. This unit gets rid of that smell efficiently . It is quiet on the lowest setting but does get noisy when you turn it up. The good thing is we usually only need on the low setting
Trustpilot
2 weeks ago
3 days ago