BLUEAIR Bedroom Air Purifier, Air Cleaner Dust Pet Dander Smoke Mold Pollen Bacteria Virus Allergen, Odor Removal, for Home Office Kitchen, Washable Pre Filter, HEPASilent, Medium Room, Blue 311 Auto

After owning a large, classic Blueair unit for over 15 years, we finally retired it in favor of these smaller models. Our first purchase was a 411+ for the bedroom. We love everything about it. It works like a charm for dust, pet odors, and even pet hair. The unit is easy to move when needed and the filters are easy to change. Our only complaint with the 411+ is the pre-filter. It is a thin, nylon material that snags easily, and were not wild about the loud colors. However, replacement pre-filters are inexpensive. We were so impressed with the 411+ that we ordered a 311 Auto for the living room. We expected that it would be a larger version of the 411. It isnt. The two models look similar but are designed very differently. It works equally well, and the pre-filter is sturdier and more attractive, but thats where the advantages stop. The 411 has a hard-sided canister that the filter slips inside. This is what makes it easy to handle and move. The 311 does NOT have an outside canister. A loose, pleated filter that makes up the exterior of the bottom half of the unit. These filters are harder to install. Also, to remove or replace the washable pre-filter, you have to handle the dusty main filter quite a lot. The exterior filter design also makes the unit more fragile; filters can get smashed if the unit is bumped into or knocked over. Its tricky to get the pre-filter to fit just right without mashing the main filter, and one of our cats is determined to sharpen claws on the soft exterior of the unit. (He ignores the 411.) Because the 311 Auto is more fragile and less manageable than the 411+, Ive given it 4 stars. The 411+ is a 5-star unit, and if I had it to do over again I might place two of those at opposite ends of the living room, instead of using the larger unit.

After just a few hours running, my room smelled fresh. Very easy to use, extremely quiet running. Night mode is great as there are no lights to disturb your sleep. Im definitely considering purchasing an additional unit for other rooms.

This does a great job of removing odors from my home. It is not bulky and will purify an entire floor

No problems with noise. Sounds like a fan . I really dont feel it cleans air that well. Ive had better.

Being an extreme allergy sufferer, this is not my first trip to the air purifier rodeo. After reading reviews, I decided to try this unit out. It has performed wonderfully so far. And is by far one of the quietest units I have owned. The fact that it has an automatic air sensing function and will run accordingly is also a pretty great feature. So far my air quality is better as is my breathing and allergies

It’s an ok product but after using it for a few weeks I’m not sure it’s doing much good. I have it in my man cave to remove allergens from the air. I think it gets most. I have a 700 square foot area and I think I should have bought a larger model. I like that if it detects stuff in the air, it increases air flow on its own and then slows as it gets it captured. It is quiet and not detectable unless it kicks in high mode.

These air purifiers work great. I live in a 560 sq/ft apartment with 1 cat. Ironically my cat has worse allergies than I do. I got 2 of the 311 autos, one for the bedroom and one for the living area. Since I started using them my cats snoring and sneezing has been much better. Allergens don’t bother me too much but I can also tell a difference in the air quality. I have noticed a big difference in the amount of dust in the house. The dust from cat litter is a big contributor and the purifier closest to the litter box will automatically turn the fan speed up after the cat has been scratching around in there. At first I thought the auto version wasn’t really necessary because I could just turn it up manually when I was cooking or something but the auto function really is nice to have. It reminds me of a canary in a mine shaft and will alert you to things in the air that you can’t see or smell. Overall I think these work well and are especially necessary if you have pets.

I love this thing. Ive used the 411 for years, and actually treated our home to a second one for the living room next to the dog toys, which can collect dust, dander, and everything else that goes along with having a shedding outdoor pet. Its whisper quiet (so quiet youll wonder if its working -- but I promise you, it is!) and easy to move around if, say, youre painting a room for a day. My only balk with the product is it has a light that stays bright as long as its turned on. As a light sleeper, this can be distracting. I fixed it by taping over the light. But Id love to see a dimmer or auto-off mode after its been running for 5 mins. Otherwise, a terrific product at a fraction of the cost of competitors. Especially with the northeast coated in smoke right now, I can breathe easy knowing my family is surrounded by quality air. Stock up on filters, too! Youd be surprised how infrequently people change those things, and thats what makes these things work so well.

Works great in the bedroom.

If Apple was to make an air filter, this would be it. Nice looking, simple to use, quiet, and effective. The fan speed is regulated by a sensor that looks for particles in the air. It is amazingly sensitive and ramps up when it sees dust, and even cooking odors. I wish I had bought two when I got this on sale.