Review by Richard St. Victor for Rabbit Air BioGS (model 582A – covers 780 sq. ft.) Ultra-Quiet Air Purifier w/ Germicidal Sterilization – Low Maintenance – Washable Filters!, Silver w/ Chrome Accents
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I recently purchased one of these purifiers and can say they perform as promised. I did quite a bit of research on these units and I had been using an older unit from Holmes for a few years but needed something for a new nursery in our home. I had always been pleased with the Holmes unit and was always aware that it was doing its job. I was not expecting, therefore, to find a unit that was so superior and didn’t cost an arm and a leg. The filtering system is much more efficient than the Holmes unit since it is not broken into separate filtering sections. There is also an airtight seal so there seems to be no “spillage” of un-purified air. IT senses changes in air and odor quality and the automatic function makes this a great deal and a joy to use. The only issue to keep in mind before buying is where you will put it in your home. It is smaller than some of the more expensive units but still takes up a significant amount of space. It is attractive so it’s not an eyesore, but it should not be against the wall. If you have the space I highly recommend this product. When the time comes, I will buy another.

Review by Pavel Krastev for Rabbit Air BioGS (model 582A – covers 780 sq. ft.) Ultra-Quiet Air Purifier w/ Germicidal Sterilization – Low Maintenance – Washable Filters!, Silver w/ Chrome Accents
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I purchased Bio Fresh Ionic Ultra-Quiet Air Purifier after a long research. I was looking for HEPA purifier with low maintenance cost. I have this purifier for over 2 weeks now and I can say that it works exactly as advertised. I purchased my house 6 months ago. The previous owner was a heavy smoker. She even used to smoke in her bedroom. Anyway, I couldn’t get rid of the smell, even though I painted and replaced the carped. Nothing helped. Now the smell is completely gone. The air is really clean.

The product has a very good design. Very easy to use control. Absolutely no noise when switched to sleep mode. I strongly recommend this product to anyone who wants to breath cleaner air and wants to sleep better.

Review by Allergy Guy for Rabbit Air BioGS (model 582A – covers 780 sq. ft.) Ultra-Quiet Air Purifier w/ Germicidal Sterilization – Low Maintenance – Washable Filters!, Silver w/ Chrome Accents
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Let me start off with the negative points, but qualifying that by saying this is a positive review;

- There doesn’t seem to be much difference between the 582A and the lower-coverage 421A, except for the calibrated fan speeds. If you don’t intend to run the unit “full-tilt”, or if noise is a concern, you’re better off saving the extra 70$ and buying the 421A.

- The “auto” mode seems to be of dubious value, and will significantly reduce the coverage area of the unit, because it relies on the on-board sensors to adjust fan speed, and they can’t sample air quality over the entire advertised coverage area unless the unit is on very high. You can test this yourself by hitting the “turbo” button — the dust/odor sensor will spike as the unit pulls in more air. You’ll be better off to manually set the fan to the highest setting that you find acceptable (noise-wise), and purchasing multiple units for coverage. See my previous comments about the 421A.

- The “odor” sensor seems to be possessed. I assume the manufacturer is using some sort of an industrial chemical sensor, so it goes off at mysterious times for mysterious reasons. Unfortunately, it can’t be disabled (easily). You’ll notice this feature is missing from the new microA2 model.

- My 582A shakes at low fan speed, no doubt because of an imbalance in the internal fan (which is oddly somewhat off-center). This problem is entirely cosmetic, as the unit makes no additional noise as a result, but the shaking is oddly disconcerting and wouldn’t exist if the fan’s axis was at the center of the unit.

The good stuff;

- For the money, you would be hard pressed to buy a similar device.

- The five year warranty is exceptional, although the unit is of such simple design, its hard to imagine anything breaking or wearing out.

- The multistage filtration system is well conceived, filter life is excellent, and replacement costs are low.

- When run at an appropriate speed with a reasonable coverage area, the unit is quiet and power efficient.

- It will actually remove many household odors, despite the oddities of the sensor.

Review by submachine for Rabbit Air BioGS (model 582A – covers 780 sq. ft.) Ultra-Quiet Air Purifier w/ Germicidal Sterilization – Low Maintenance – Washable Filters!, Silver w/ Chrome Accents
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Before buying the Rabbit Air BioGP 582A, I bought three other units.

The new Oreck Tower Pro XL was first. It was an amazing product, made the entire area smell fresh and the turbo mode is powerful like a rocket. Why did I return it? After a month or so, it started to *hum* in an annoying oscillating way.

Then I tried the Friedrich C-90B. The ugliest unit by far, looks like it was designed in 1970. But it worked great. Why did I return it? After a week it started to *rattle*, the fan blades hitting.

Then I tried the Alen A375. I was impressed, it had a low-tech remote control, seemed advanced compared to the Friendrich but still a dull white color. Why did I return it? It was weak, didn’t purify the air or deodorize, and the fan vented air straight up.

So then I found out about this Rabbit, and purchased one. It is by far the most impressive looking unit, Lighted display, high-tech remote, beautifully designed. The good news is its function is as advanced as its features. While the vent is upwards, it is angled so that the entire room gets a blast of fresh purified air. The 4 speeds are perfect, from silent to turbo. The filters are huge, and inexpensive. And it works as good as it looks.

I had some dust on a tv stand from construction work in the area. I blew the dust off, and for the first time, I saw the display light up warning of *bad air*. That is how sensitive it is. After a few minutes, the display warning went down and back to normal.

This is the unit that does it all, does it quietly, and does it while looking great.

Review by Charles A. Clemens for Rabbit Air BioGS (model 582A – covers 780 sq. ft.) Ultra-Quiet Air Purifier w/ Germicidal Sterilization – Low Maintenance – Washable Filters!, Silver w/ Chrome Accents
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I have problems with airborne allergens and with asthma. I have spent nearly two thousand dollars on different air cleaners over the past ten years. They all proved to be ineffective, noisy, ugly, and/or overpriced. The Bio Fresh works for me. None of the others did. I enjoy the several different modes of cleaning available. It is an attractive machine that fits nicely against a wall. Everything about it is well thought-out. It is well worth the money. I just purchased my second Bio Fresh air cleaner and it was delivered earlier than expected. It has helped my breathing more than all the antihistamines, inhalers, and all the other machines combined.

Review by JerseyGirl Gardener “Pat” for Blueair 450E HepaSilent Digital Air-Purification System
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This machine is not silent, but it is reasonably quiet on the lowest speed. It does have a small blue light that cannot be turned off. I’ve been hanging a sock over the light to block it at night but will probably stick a piece of duct tape over it soon. The air does not seem as fresh smelling as the prior air cleaner I had, an Austin model.

Review by M. Breyer for Blueair 450E HepaSilent Digital Air-Purification System
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I have this air purifier for a few weeks now and in general I am very satisfied. I like the rugged, all metal case construction, and the very powerful fan that can really move the air around when you want it to (as opposed to some other purifiers which produce rather feeble air flow). Operation is simple and straightforward.

Here are some caveats though: The first unit I purchased had some slight rattle coming from the fan in silent mode. I returned that and it was fixed with a replacement unit. Also, the circuit boards in both the first and second unit I got emitted some quite noticeable “new computer smell” for the first couple days of operation. After about a week of use this was gone though. If you are sensitive to this kind of electronics smell you might want to run the unit for a few days in a different room before moving it to your bedroom. The quiet mode is very quiet but still ever so slightly audible (my wife is still bothered by it at night when the unit is close to her side of the bed), I wish the unit had an even slower, quieter mode.

Customer service was very helpful and went to great lengths to resolve questions and issues I had.

Review by Reader for Blueair 450E HepaSilent Digital Air-Purification System
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We have this Blueair silent product in our bedroom and it is great! If I stay somewhere else without the Blueair I notice allergies.

Blueair quietly cleans the air in our room, and cuts back on the dust in our old home! If we don’t run it we notice dust.

On the highest setting it makes a slight but pleasant fan sound, but you are only to run it on high for a little while for example before going to bed. Then, turn it down a notch or two, and you will have uncongested sleep, and less allergy symptoms in the morning!!

It is worth every penny for the relief!!!

Review by P.W. for Blueair 450E HepaSilent Digital Air-Purification System
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I should start with the fact that everyone in our household has allergies, even the dog I think, but that had not been confirmed. Currently we have the Blueair units in all the bedrooms and family room. The best thing about Blueair units is they work! We really feel a difference. Before getting Blueair my wife was not able to sleep thru the night. She would get congested and her throat would get dry so she kept waking up to drink water. Whatever was giving her trouble is now gone from the air and she is finally able to get a good nights sleep.

Outside the fact that this unit cleans the air, I do also like that it is steel construction ( I did a lot of research and that is hard to find), its quiet!!!, and its energy efficient. This model also comes with interesting electronics. It has a handy little sensor on the side of the machine that actually measures particles and odors. I like that a lot because I can set it on Auto mode and it does all the speed changing by it self. Definitely takes the guess work out of what speed to run it on. As for warranty, the warranty card says mail in for free 5 year warranty.

Review by audiman for Blueair 450E HepaSilent Digital Air-Purification System
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We have had this Blueair silent air purifier for a couple years now and love it! My wife and I both have allergies and we run it in our bedroom every night. It is so quiet in fact that sometimes we forget to switch it off in the morning!

We live in a major city, which is very polluted.

It helps very much with dust and allergies. In fact, if I am having a really bad allergy attack (spring or summer after mowing the grass for example), I can go in my room, turn on the Blueair on high, and in a couple minutes my head and ears clear, my chest relaxes and the old “allergy headache” goes away.

This thing is better and faster than taking medicine!

Blueair customer service has been very responsive as well! When we order filters they always arrive even faster than promised.

Keep the filters changed, wipe off the outside from time to time, and you will enjoy clean air and fewer allergy headaches too!