Philips - 1000i Series

So I can't speak for any home assistant specific working ones, as I bought my purifier before I ever got involved in home assistant. But for air purifiers in general - I find the difference night and day when its not turned on. We have our purifier in the bedroom, and if it ever gets knocked off, I can tell as soon as I wake up. I feel much more groggy and stuffy. I was always sceptical on how well they work and if they 'really' work, but now i've had one I can't recommend them enough

I have this model. With it on Sleep mode, I don't notice it at night; on Auto/Speed 1 however there's a faint but noticeable noise. This model only has Sleep, Speed 1, Speed 2 and Turbo. There's an app which, except for taking its time to reconnect to the purifier pretty much every single time, works reasonably well for basic settings/monitoring. It's not a small unit, but now I somewhat regret I didn't get a larger Series 3200 (thinking that might have a silent enough Speed 1). I see there's a new PureProtect Quiet Series 2200 (AC2220/10) purifier, about the same size but slightly quieter (13dB instead on 15 on Sleep mode), and with more speed settings. And with a 3 years filter. Still not available, and it would be somewhat more expensive.

I've been using [Puroair 240](https://www.reddit.com/user/WinterYogurtcloset61/comments/1gq5dqu/puroair_400_air_purifier_is_the_best/) for a while now and it's been top notch !

I’ve used the Philips 1000i for a while now, and it’s been pretty solid.

So, I have a heavy shedder. But I come at it from multiple angles. I have two air purifiers, on all day, Philips 1000i, these catch a little hair. The least of all devices I own. I have a robot vacuum on 1-3x per day. This does the heaviest lifting. Mopping at least once a day. I have standing two fans that catch a lot on the vents/metal protector, that I clean with a damp microfibre cloth a couple times a week. Another heavy lifter. I use the fans in all seasons to help for German house ventilation (all windows are on one side, so there’s no natural draft) and in order to cause more particles to become airborne to supplement the CADR ability of the purifiers. I have a dryer for clothes, and most of the fluff coming out of the dryer is just pure cat hair. It’s insane. Could literally make a doll out of the fluff that comes out of there. I brush my cat at least once per week, more depending on changing seasons, and lastly, I have one of those feeder boxes that the cat can walk on and out of with the bristles that capture hair (like the paw swing, but you can make them yourself using dusting brushes) He loves it and I think it makes a big difference. Of course, I also do dust (partner has mite and mould allergies, hence the original reason of purchasing the purifiers) and this also helps. The key is using damp microfibre clothes. Causes the dust not to launch into the air but collect on the fabric, which is ultimately washed away in the washing machine or collected in the dryer. Unfortunately, there’s no one device to alleviate the issue entirely. I’ve had cats all my life, tried what feels like everything, but it really is just mixing several techniques, and the occasional use of the hair roller for nice shirts ;)

Smart air purifiers have sensors which detect pollutants in the air and change their speeds based on that. I have some Philips ones and they're good, I just leave them on and let them do their thing. When the air is clean they run at a very low speed and are pretty quiet. I don't think there is any concern of making your lungs sensitive. Cleaner air is better for your long term health. 

Its the Philips 1000i for my lounge, and the Mini 900 for my bedroom.

Not an expert on purifiers, but my relatively new Philips 1000i from memory has a low rating of 15dB for sleep mode, which is lower than other models I saw, and it's extremely quiet. It maintains the room air clean too so when I wake up I get readings of just 1. But it does sound like you might have a warranty issue with your machine.

I use Philips mini 900 and 1000i series. I researched around and my criteria was I wanted WiFi control, HEPA + charcoal filters, room size. I’m pretty happy with Philips so far. Nothing to complain. Do check your room size and buy the appropriate air purifier size. Too small of a purifier is gonna do zilch in a large room.

I am interested in the newest model that purifies the air of Formaldehyde. I currently have the Phillips Series 1000 and have used it for about 4 years now. It works really well. But I would like to upgrade to something with more features, such as PM2, VOC and other sensors. I smoke both cigarettes and cannabis, so it is essential that the air purifier is able to clean the air quickly. My room size is 4.3 meters by 3.6 meters. I am limited on choices in my country with the only high end options being the Dyson models, the Daikin mc55w, MeacoDry Arete One, or the Coway AIRMEGA 200M True HEPA Air Purifier. You guys here will know much more than I do, and I'm sure some of you have experience with the air purifiers I've listed. Please give me any advice/recommendations you can. Thanks in advance.

We have 2 Philips 3000 series. Filters last about 3 years ( really). Ideal for big rooms and allergies like mine. Unfortunately they stopped producing these. The next gen are smaller but also with 1 year filters.