LEVOIT Air Purifier For Large Room 2790 Ft²

I have been using it in a relatively smaller room that what the filter is capable of servicing. It works great and fairly quickly. The PM 2.5 meter is more sensitive than my air quality monitor and brings down the reading rather effectively.
App and Alexa control work very smoothly.
Fan is not very loud. Sleep timer with sleep mode works very well.
The setup is light in weight and the lights on the controls can be turned off as well.
Overall very happy with the purchase.

I have owned this Air Purifier for several weeks now and it has many very useful features such as: an auto mode, can be monitored /remotely operated by the VeSync software on cell phone, highly effective with various fan speeds, energy-efficient, lightweight to move between rooms, runs quietly in background and the HEPA prefilter is easily vacuumed every few weeks. There is no odour coming from it and although the Core 400s is a newer model, I’m sure that the reviews for it will be just as high as for the 300s. Like that it has an extra quiet sleep mode with no lights on the control panel. I seem to be very sensitive to the horrible forest fire smoke that we had all summer and it sure seems to eliminate that – and cooking smells from our 1400 sq. ft.home. I believe that my breathing is much better now and that there isn’t as much dust around either. This is quite reasonably priced too and the repacement filters are readily available in Amazon.

The title says a lot. Fantastic, reliable, easy, informative, accessible. The app works (almost) top notch. What I really appreciate is that they are spot on reliable using wifi apps at any location away from my house to inside my house. Their response time is fast from the app. Scheduling, setting up smart home features all run well through the app, easy to learn and use. I will be buying more, trying to get a friend to get one (two). No regrets buying them.

Not so great things that I wish they’d develop or get rid of:
Adding ability to control locally through Bluetooth (or zigby or z-wave) and not only through wifi and the cloud. This was problematic when internet was cancelled or interrupted. Thankfully they kept their schedules, but I had to run them on phone wifi hotspot to access them through the app. The base units work manually, but will keep the schedule in the app, unless you do a full reset.

The app room arrangement doesn’t really work, and their readings don’t exactly match or refresh. (But this is in development, but probably won’t take off.)

I do not like that the app can be an bit invasive on every part of my privacy/life. Like trying to get me to buy into their health tracking logging what I eat, or making it mandatory to set location etc. in setup. The ploy to be there for health to basically gain marketing data. Too many apps and even work apps play this game and it’s a bit deceptive marketing data gathering. I’m totally techy smart home and software junky, but there’s a clear line that is getting crossed. The company sends me prodding emails to track my health. I cannot get rid of the icon in the app, wish it wasn’t a part of this.

That was negative, Back to positive. Because they are fantastic. I’ve watched every YouTube video on all the brands repeatedly. I now have 4 of these and a few smaller finer filter ones from Medify, and two Winnix 5500’s. The Levoit are hands down my favorite. They are quiet and easy over wifi. I’ve turned my non-smart Winnix to smart by adding switch bots to them, but the Levoit are smart from the start. The smaller med brand one cannot be turned smart as there’s no place to put switchbots on them. They get too loud in medium and high, so I will not buy that brand again, keep with the Levoit. (Possibly try Austin Air someday, but that’s just more money.)

Levoit is Not glitchy. A favorite feature when I’m cooking in the kitchen is the number and color reading. It shoots up so fast when cooking certain ways or foods. It’s funny because a Winnix will turn orange or red in a heartbeat when I pour alcohol in a glass 4 feet away in front of it! But it doesn’t provide a number, which the Levoit 600 shows.

These filter the air so well, that when I drop peppermint oil at doorways or spots in a room (deters spiders and I think ants, I use a lot on a sailboat. Works like a charm), if my Levoit is running, it removes the essential oil smell too fast. Way too fast. It’s a battle I will not win if I run these air filters, because they work so well.

Utile et performant.

We purchased one of these on sale in the hope it would help moderate the severity of pollen season in upstate NY and the dander generated by two large labradors. It has a nice, clean look and small foot print, which we feel is important.

The HEPA filter was shipped inside it in a bag that needs to be removed but doing so was incredibly quick and easy to do. Twist the top a quarter turn and place to one side. Lift out the filter, remove the bag, lower the filter back in using the two tabs provided on it for that purpose, lift the lid back on and quarter twist to close. It takes 2 mins. Then its’ plug-in, turn on and choose “”Auto” or a fan speed using the touch sensitive panel on top. You can control it from your iphone if you’re into that but it certainly isn’t necessary.

The first thing we noticed is how quiet it is. Effectively soundless in sleep mode and at fan speed 1. Barely noticeable at fan speed 2, unless you’re right next to it, noticeable at fan speed 3 when you are in the same room as it but not obnoxious. Noticeably louder at fan speed 4 which should be considered a ‘Turbo” mode. Then we noticed the impact of running it – vastly reduced swelling of the eyes and sinuses of those suffering from hay fever and a significant reduction in the doggy smell of our labradors. It works really well.

We have taken advantage of the ability to control this by iPhone to set a schedule where it automatically runs in sleep mode (low, continuous fan) from 10pm to 5am. Then at fan speed 2 from 5am to 5:30am, ramping up to fan speed 3 from 5:30am to 8am before switching to auto from 8am to 10pm. Because of the relatively severe allergies suffered by a couple of our family members the P2.5 micron threshold is set to 2 ug per meter cubed and this filter has been able to attain that incredibly low level with that schedule within a few hours of all windows and doors to the outside being closed to the 1800 sq. ft area it services. At this point we have an oasis for our hay fever sufferers to return to each evening and it’s made an incredible difference to their comfort. Do they still take Claritin or Allegra during pollen season? Yes, we’ve found it necessary to deal with the pollen at work and in the garden. Are they doing better than they were before we got this filter? Yes, the continuously swollen and itchy, weeping eyes are gone. The inflamed nasal passages are gone. Their sleep deprivation is gone. Their quality of life has improved dramatically. We had no idea how dramatic an impact adding a quality, appropriately sized HEPA filtration system would have. This unit is rated for something like 3000 sq. ft. We’re using to control air quality in a 1800 sq.f.t open plan area and its doing a great job of that without having to run the fan at high speed for prolonged periods of time.

We’ve had this for several weeks now and experienced 1st hand how well it can deal with really terrible air quality when the smoke from the fires in Quebec blew into NY. Opening the door to come into the house with the shopping during the worst of it briefly dropped the air quality from a PM2.5 of 001 to as high as a PM2.5 of 185 within 12 feet of the door. This was then quickly reduced to a PM2.5 of less than 20 in an hour and back to 001 in about 2 hours after the door was closed. The outside airs PM2.5 was apparently North of 300 at this time (sources accuweather and the news), the air was literally a hazy brown like smog and this filter was able to detect it, automatically adjust its fan speed to clear it and maintain perfect air quality in the house.

Does it work? Absolutely, quietly and brilliantly.

Would we buy this again? Yes, in fact we have so that we can control the air quality for one of our allergy sufferers in another area where they have to spend prolonged periods of time. That one’s been in place for about 3 weeks and has done exactly what we hoped it would do – improve the quality of life at work in a 7000 sq.ft. open plan office area. Now this is well beyond the manufacturers claimed coverage for a unit and it looks like they’re right based on who’s apparently benefiting and who isn’t but here’s the important point. The benefits to the workforce have been so noticeable to management they’re now considering upgrading the offices HVAC system to include HEPA filtration. I think that speaks volumes.