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96 Reviews
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65 of 65 people found the following review helpful:
5.0 out of 5 stars Bio Fresh is the Best
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...
Published on April 12, 2006 by Charles A. Clemens

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28 of 33 people found the following review helpful:
3.0 out of 5 stars Doesn't live up to the five star ratings or $$$
I have owned and used the unit for approx. 4 months.

On the plus side, the unit is very quiet. On it's lowest setting you can hardly hear it. It has been consistently running during the entire 4 months.

The appearance of the unit is nicely designed. However, the chrome/silver unit appears in the picture to be metal but it's all plastic and...
Published on December 3, 2007 by Ann


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65 of 65 people found the following review helpful:
5.0 out of 5 stars Bio Fresh is the Best, April 12, 2006
By 
Charles A. Clemens (West Branch, MI United States) - See all my reviews
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.
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74 of 75 people found the following review helpful:
4.0 out of 5 stars BioGS 582A - not bad for the money, October 13, 2007
By 
Allergy Guy (Montreal, Canada) - See all my reviews
Amazon Verified Purchase(What's this?)
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.
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71 of 74 people found the following review helpful:
5.0 out of 5 stars I've tried them all; Rabbit Air BioGP is the best., April 30, 2007
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.
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28 of 28 people found the following review helpful:
5.0 out of 5 stars Bio Fresh Ionic Ultra-Quiet Air Purifier, January 21, 2006
By 
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.
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31 of 32 people found the following review helpful:
5.0 out of 5 stars SO BEAUTIFUL I WANT TO MARRY IT!, August 11, 2007
Since childhood, I have had severe allergies to dust, pollen and mold. Over the decades, I have purchased multitudes of air purifiers. Honeywell (hated it, blew up lots of dust), Hunter (decent, but expensive filters had to be changed often), Biozone (good for removing odors but not dust), Vornado (expensive, hard to find filters, very noisy), Ozone machines (bad to breathe but good to get rid of odors), and many more brands and names that are too numerous to mention. Most of these worked minimally and as the years went by the filters either became difficult to find, or they quit working or the price of the filters added up to the price of a new unit (think Vornado). They were either mildly good at removing dust or they were somewhat effective at removing odors, depending on whether the HEPA had a charcoal prefilter. The charcoal prefilters were expensive to replace too!

After reading hours of reviews (yes, I was determined to do some research before buying yet another purifier - don't think I'm too obsessed, the last units I bought were Hunters about 8 years ago, but now the fan motors are giving out and the HEPA had to be replaced every 4 months - expensive!) I was torn between the Sharp Plasmacluster and the Rabbit BioGP. Oh, I still want a Sharp Plasmacluster, but I had to go ahead and decide how I was going to get maximum benefits from a single cost appliance.

I'm so glad I went with the Rabbit! First I noticed all the positive reviews on this site. The BioGP arrived last week. It's streamlined, durably constructed and the appearance is elegant - at their website they even give you the option of buying different color frontplates if you decide to move it to another room and want it "match" the decor - and the frontplates are reasonably priced.

I was particularly impressed when I assembled the 3 stage filter to notice how the carbon filter is honeycombed - heavy duty - and not these thin, flimsy charcoal prefilters that are so standard in most air purifiers. That means it's really good at odor removal. If you don't believe me, just get one and watch the odor sensor quickly detect an odor of your choice. When in auto mode, the unit will quickly smell it and speed up the fan and you can actually WATCH the sensor indicate the odor has been reduced or eliminated within minutes!

I also like the remote control functions - auto, manual - 4 speeds, and turbo mode, which causes it to run at high speed for 10 minutes before going back to auto mode. I've tested the unit out in different rooms and have watched the sensors come on and over a short period of time indicate they have reduced or eliminated dust or odors. Also impressive is the ability you have to wash or vacuum the prefilter and the charcoal filter - greatly extending their life. Also the HEPA filter probably won't have to be replaced but every 18 months to 3 years - more like 18 months for me because I will run it often. But even then, the HEPA filter doesn't cost nearly as much as other air purifiers charge for their HEPAS.

Another design marvel is how the Rabbit BioGP has this nano-silver prefilter and the charcoal filter is placed on the other side of the HEPA filter. Most air purifiers that have charcoal elements place them before the HEPA. This causes them to have to be replaced frequently. But the BioPG has a separate prefilter from the charcoal filter, and because the charcoal filter is placed after the HEPA, it is free to do what it does best - remove odors - and it doesn't get clogged up with dust, making it last a long, long time compared to units like this that use charcoal prefilters!

And I get the feeling that the Rabbit people really care and support this product. I called with a question which they answered promptly. Overall, I am very, very pleased with this unit.
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28 of 29 people found the following review helpful:
5.0 out of 5 stars Asthma no more, February 7, 2006
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.
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22 of 22 people found the following review helpful:
5.0 out of 5 stars FRESH CLEAN AIR!, May 8, 2006
By 
S. Jacobson (Carmichael, CA) - See all my reviews
(REAL NAME)   
BEST PURCHASE I HAVE EVER MADE! I recently moved into an upstairs apartment, a heavy smoker lives beneath me. My place constantly smelled of stale smoke and smelly cooking odors.\:( It was miserable to live with the overpowering odors; I tried everything to get rid of them. One day, my daughter said, "This place smells like a stinky motel." NOW, I enjoy very clean, fresh air in my apartment. The Bio Fresh is very quiet and easy to use. It arrived quickly and packed very securely.
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27 of 28 people found the following review helpful:
5.0 out of 5 stars I love my Bio Fresh!!!, March 14, 2006
I am delighted with my new air purifier. I did alot of research and comparison studies before my purchase. I have parrots with powder producing feathers. My aviary is part of the main living area in my home and I needed a unit that could serve a large area. I am happy with the performance. No more feather dust all over everything. My roommate is not coughing anymore. I have a cat; and the odor from the litterbox is no longer an issue. I have it set on automatic - how easy is that? I can barely hear it working. Add to that, long lasting filters and low-cost operation make this product a winner
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25 of 26 people found the following review helpful:
5.0 out of 5 stars Worth every penny, March 19, 2007
Amazon Verified Purchase(What's this?)
Since moving to Virginia, I spend at least a month every spring feeling like I'm waking up with a bad cold. I had promised myself that this year, I would try a good-quality air purifier. I debated among the Sharp FP-N60CX Plasma Cluster Air Purifier, the Mitsubishi PlasmaPure Quiet HEPA Air Purifier, and this one. In the end, they all had high ratings, and I am sure they'd all have worked well, but I liked the looks of this one. Turns out, it looks even cooler in person. More importantly, I wake up feeling great. Also, it's inaudible on the night setting which is important since it's in my bedroom. The smell sensor really works - drop a new pile of laundry near it and it will go off because of that dryer sheet smell. My room is just so much nicer now and although it can't follow me around and take care of my allergies the rest of the day, it let's me get a good night's sleep, which is all I could ask for. To get into the technical side of it, there are two sensors - one for pollen/dust and one for smells. There are indicators on the front which show the mode the unit is in (such as turbo, pollen, night) as well as levels indicators of smell on one side and pollen on the other. I also need to mention that the distributor, SPARO, is wonderful. I asked them by email before my order shipped to send silver instead of white. They responded quickly that that was no problem. Then I let them know that two buttons on my remote didn't work, and they responded immediately that they were overnighting a new one, which they did. Couldn't be happier with them or the product! You can't go wrong with this.
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15 of 15 people found the following review helpful:
5.0 out of 5 stars Silent & Effective, March 26, 2007
Pros: Very quiet in sleep mode. Washable pre-filter - the main HEPA filter doesn't have to be replaced as often. I particularly like the automatic mode - the fan speeds adjusts to whatever level necessary. It has kicked on when I was staining wood in the next room and when my next door neighbors were using their fireplace, so I'm quite impressed with its sensitivity.

Cons: The carbon post-filter delivered with my unit is not washable, although it is advertised as such. I'd prefer if the control panel was touch sensitive; you have to use the remote to control the unit.

Neutral: The lights on the control panel are very bright; you won't need a nightlight in whatever room it is used in.
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