Blueair - Classic 680i
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Reddit Reviews:
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Based on 1 year's data from Feb 24, 2026 How it works
Liked most:
15
0
"it's fantastic in keeping the farm smell to a minimum."
"it’s majorly helped w allergies and dog smell"
"has substantially lessened my seasonal allergy symptoms while in the house"
22
1
"it’s majorly helped w allergies and dog smell"
"has substantially lessened my seasonal allergy symptoms while in the house"
"Super noticeable difference ... even just the fabric pre-filters catch a lot and their appearance varies from room to room (ex. dust in the bedroom, cooking oils in the kitchen) which leads me to believe they’re working!"
4
0
"They're incredible and the best thing is that they have this washable cloth sleeve (pre filter) that goes over the entire intake which happens to wrap all the way around. ... It does such a good job that the actual internal filter stays significantly cleaner and doesn't need to be cleaned or changed as often. ... It's a game changer."
"Blueair imo because they have washable prefilters, and pet hair and dander is large and honestly doesn't need HEPA filters to clear it out the way, say, smoke does."
"Blue air. The prefilter is washable."
8
0
"the only ones whose fans have stayed smooth and quiet. ... i have owned 8 over 5-6 years at least without one single issue."
"the BlueAirs are the only ones whose fans have stayed smooth and quiet."
"Dead silent on the first setting"
5
2
"have had mine for years and run it 24x7"
"the only ones whose fans have stayed smooth and quiet. ... i have owned 8 over 5-6 years at least without one single issue."
"Premium built, that's for sure."
Disliked most:
3
2
"OTOH, the two Blueair purifiers are on all the time and we have ***not*** noticed a decrease in the rate at which dust accumulates on the woodwork in the house."
"Maalikabok pa rin kahit super sealed yung unit."
1
3
"the larger sizes have significantly more expensive filters"
"Those filters are crazy expensive, so that purchase turned into quite the "investment"."
"BlueAir is ok but the filters are small and replace more often."
0
1
"I don’t like they have an ionizer that you can’t disable. ... Ionizers create ozone, and when ozone reacts with different molecules it creates all kinds of new compounds that can’t be predicted."
0
1
"The motors are known to go bad and they won’t supply replacement parts and just want you to buy a new one. ... Mine (680i classic) was $900 and it’s around 4 years old and they won’t help me replace the motor."
0
1
"Their sensors suck"
"the auto setting barely did anything unless I literally blew smoke at them"
CB_700_SC 1.0If you can get out of the blueair system. They will not give any help once it’s out of warranty (from my experience). The motors are known to go bad and they won’t supply replacement parts and just want you to buy a new one. Mine (680i classic) was $900 and it’s around 4 years old and they won’t help me replace the motor.
I recommend to stay away from Blueair. The company sold off to an investment firm in 2016 and it’s not the same company as it used to be. I bought a $900 (classic 680i) purifier from them in 2020 and the fan went bad after only -4 years of use on low setting. Blueair CS won’t sell replacement parts or offer a warranty repair (they say they don’t have spare parts). They offered me a small discount on a much smaller unit with a much smaller filter area. I was spending around $75 a month (over $4k) on filters directly from them on auto order. extremely disappointed.
I really liked the 680i unit. We live in a city and at the time lived in a large loft apartment with lots of neighbor issues. The filter helped with the air quality a bunch. I could notice it working even without the app telling me air quality was better. I would still be buying their filters and have it running in my bedroom to this day if they JUST SUPPLIED A REPLACEMENT part instead of trying to sell me a cheaper unit.
fudruckinfun 0.2I have a giant blue air and I love it. Before we didn't have one in a smaller space and I feel some days I was dying. The cost of the filters is kind of pricy though.
EagleEyeUSofA 0.2Blueair has a small one that would fit that space for $99 on Amzn or other retailers. I have next size up and so far so good and noticeable decrease in dust. I like being able to control it and monitor its cleaning via the app. Not advocating for the company other than after doing some research I settled on them and so far am happy.
I have a Blueair for small room and can really sense a difference. I like the app as well to track purity and change settings. So many options out there though.
MysterySkanker 0.0I have tried and gotten rid of Bluair and levoit- just inadequate performance and louder than I like. I replaced them with Medify and have been very happy with the switch. If memory serves I have an ma-50 in the living room and ma-40 is each bedroom.
9ine6ix5ive 0.0I have BlueAir in all my rooms. Makes a significant difference for me.
Acceptable-Basil4377 0.0It helps a lot. I bought it due to smoke but I’m happy to get rid of cooking and dog smells. I have one from Blueair.
accountaholic26 0.0We love our blueair also. Got a dog a month ago and happy to hear from guests our house doesn’t have a dog smell.
Adorable_Dust3799 0.0I love my blueair. It's highly rated for the price, and has a cloth sleeve you wrap around the outside and toss in the wash that prefilters out the husky fluff. If your pup is smelly it's probably oily, and needs either more roll in leaves and dirt time or more frequent bathing. A simple rub with a damp cloth frequently, like daily if you're not using soap, will work wonders.
Affectionate_Bus_884 0.0I’ve been using blueair purifier. I have 5 of them a few I’ve owned for over 4 years and I love them.
Agent_03 0.0Sorry, what "air quality problems"? Can't say we've noticed any, with our 3 air purifiers running 24/7 in a one-bedroom apartment... 😉 (Both of us have pollen allergies and one of us has asthma.) That should answer your question. Seriously, buy an air purifier. Once you feel the difference you'll probably end up getting a few more. We've got two of the medium Coway models (Airmega AP-1512HH or 200M) and a smaller BlueAir. They also help with smells -- bathroom, pet, or cooking. Highly recommend the Coways because they: * Are whisper-quiet on all but the highest setting, and can auto-adjust (though we usually leave them on medium because they get loud if they kick into high). * Move a lot of air for their size * Have filters that last way longer than they're rated for (as long as you clean the prefilter) * You can turn the main light on the purifier off for use in a bedroom at night Tip: it's better to get several medium air purifiers and put one in each room or area rather than getting just one big one.
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