Review Rabbit Air BioGS (model 421A - covers 600 sq. ft.) High Quality Ultra-Quiet Air Purifier - Low Maintenance - Washable Filters! 
Buy Cheap Rabbit Air BioGS (model 421A - covers 600 sq. ft.) High Quality Ultra-Quiet Air Purifier - Low Maintenance - Washable Filters! From Here Now!The Rabbit Air BioGS removes a wide variety of allergens and contaminants from the air, including dust, pollens, dander, odors, mold, and chemical vapors. Its HEPA filter traps and destroys a host of common allergens, such as pet dander, dust mites, and pollen. Each filter can last up to three years, based on 12 hours of daily operation, and won't create secondary pollution like conventional HEPA air cleaners. Our Signature HEPA filter traps airborne allergens and contaminants down to 0.3 microns in size 99.97 percent of the time and also includes a medium filter to boost efficiency and increase HEPA filter lifespan. The BioGS features a permanent pre-filter to help eliminate large airborne particles as well as a washable Charcoal Based Activated Carbon Filter for odor and chemical absorption. With its energy efficient design, the BioGS is safe and inexpensive to operate, emitting no ozone and only consuming 33 watts at turbo speed and seven watts at silent speed. The BioGS also features an inverter control and auto air quality monitoring, which means the unit can operate at five different speeds and it won't run at a higher speed than necessary. Ideal for home or small office use, this air purifier covers up to 600 square feet, based on two air changes per hour. It's also completely silent at low speed, and creates a minimum amount of distracting noises.
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- Zero Ozone Emmissions
- 24/7 Technical Support
- Five Year Warranty
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"Quiet effective air cleaner, tips for use of sensors!" 2010-10-27
By me (CA)
I don't have much to add to all the other reviews, this air cleaner is the best of all those I have tried. It moves more air than the other brands I tried, while making a lot less noise. I leave it on the 2nd fan setting at night and I find the low noise a pleasant white noise. On night/silent mode I can barely hear it at all, and it is right beside the bed on my side.
I purchased this the same day I got a new mattress. I have allergies and asthma, mostly to pollen and outdoor allergens - however this has been an unbearable year for me with the worst pollen season ever. I have been meaning to buy a HEPA filter but could not bring myself to spend the money, but finally when we bought the new mattress I knew that the "new mattress smell" from off gassing chemicals would not only aggravate my allergies, but also be bad for our health.
So I bought the smallest model, since the main difference is the power of the fan, and I intend to set it on high when not in the room and a lower setting manually when I am sleeping. I read the manual and found out that when it is first plugged in, the unit sets its sensors to a "baseline" in your home. All readings in the future are relative to this baseline. Since we had just unpacked a brand new, smelly mattress beside it, the filter was setting its sensors to a very high baseline. Therefore I manually set the fan to max and left it running all day.
When we returned home the smell from the new mattress was much diminished. Obviously the air filter can only remove the VOCs as they enter the air, and over the next week or so the mattress continued to off-gas but the air filter kept the smell from accumulating in the room.
During that entire time, the chemical and dust sensors stayed at the bottom or rarely went up to "1". that did not surprise me since the baseline was set when the machine was set up in a very "dirty" air room.
After a week of running the filter on high when we were out and on the second setting at night, I unplugged the machine for 15 seconds and plugged it back in as advised in the manual to re-set the sensors to the new cleaner baseline. Now, the sensors are very sensitive, when I make the bed, the dust sensor kicks up and often the chemical sensor too, since the mattress is still only a month old there are whiffs of new mattress smells. When I sprayed some shower cleaner (a nontoxic cleaner but contains a scent) in the bathroom - in the next room, the chemical sensor picked up to max. When I cleaned the cat litter box, the dust sensor picked up even though the litter I use is the most expensive dust free kind.
It seems like a lot of the bad reviews are complaining that the machine does not sense their dirty air. If people would read the manual they would find out about this baseline setting and know that all they need to do is set the filter manually to max for a few days to clean the air, then unplug the machine for 15 seconds and plug it back in, the sensors will reset to the new cleaner air and from then on be more sensitive if you want to use the automatic settings.
The only CON I can find about this machine is that described by others - the display is way too bright and can't be turned off at night. Since most of us will use this in the bedroom for allergies, it is a huge oversight that they do not allow the display to be turned off. I hope that future models will implement this option. For now, I have to tape cardboard over the display.
"Maybe we have good air to begin with..." 2010-10-22
By D. E. Graham (Virginia, USA)
I've been very disappointed with this machine and could have returned it if I had saved the original packaging. It doesn't seem to do anything. I thought the would be noticeably fresher but it isn't. It's a pretty color. We have allergies in our home and this hasn't made a bit of difference.
"FINALLY A GOOD NIGHTS REST!!!!!!!!!!!" 2010-10-16
By D. Butler (Memphis, TN)
I have to admit that I was pretty darn sceptical about this purchase. This was a difficult purchase for me for a number of reasons, #1 the price, #2 wondering if this would fit my needs and cover my issues, #3 wondering how the company would handle warranty if something should go wrong after the purchase, #4 worrying if these reviews were true (seemed too good to be true).
The reason I purchased this unit was to help out my family as we pinpoint either what appears to be an allergy issue to mold spores, pollen, dust or a combination. My home is only 4-5 yrs old, but we've had some leaks...we believe our toddlers have become allergic to the mold spores..or "something" because they've been sick about every two weeks and it's all been upper respiratory issues (coughing, wheezing, throat infections, ear infections, etc)....same symptoms as mold spores. So, there's no doubt, they are allergic to "something" that causing irritation in their throats and I felt like this would help since it traps dust, mold spores, pollen, etc.....while we run some tests on both the house and some allergy tests on the kids. My three year old also has had asthmatic issues since she was born so I knew this would help her breathe easier. We will also remove the carpets in our bedrooms...since all of that crap could be trapped in their as well.
Customer Service - Prior to purchasing....First, I was so sceptical that I contacted the company personally to get a better feeling of how their customer service would go after I purchased it. And to tell you the truth, I was totally in disbelief when a live person was on the other end within 1-2 minutes. She answered all of my concerns, even told me if I had any questions I could call her back and ask for her personally. She reassured me that this unit does remove mold particles and that they had a five year warranty.
My decision - All in all, I decided to take the plunge...and it was the best decision I've ever made! Last night was the first night I ran it...not a single cough from either toddler...no snoring from anyone (not even my husband!), it was the most quiet, and restful night I've had in long time. You can "feel" the cleaness in the air...I didn't know what others were talking about but oh yeah, the air felt a heck of alot fresher! If it did this instantly, I can just imagine how well it's going to do over the next year.
About the unit - This unit is soooo quiet...I got up at 12am just to make sure it was working. With my air conditioner going, I couldn't hear it at all..even when my central air turned off, I couldn't hear it. It is sooo sleek until it puts everything else in my traditional bedroom to shame! I love the modern look, I can't wait to purchase one for the living and kitchen. Since they are expensive this isn't something that I can just run out an buy...:-)
I feel like this was the best purchase, I also feel like I've accomplished something...a cleaner home, healthier kids, and oh, I didn't wake up stuffy nosed that I have done for the past week...for me, this has turned my world "right side up!"
Don't hesitate...I think I've done enough hesitating for everyone. In the end, just let the products rating guide your decision and you can't go wrong! Good luck!
"There are better options" 2010-10-12
By Mamoon Baig (Queens, New York USA)
Why should you read this review? 'Cause I actually own the unit, and if you click 'Read all my reviews', you will see that this isn't the only product I have reviewed. So you know that I'm no jerk trying to promote another product, or promote this one.
I've had this 421-a for almost a year, and I have to say I'm disappointed. My bro and I would clean the unit about once every few weeks, but as of recently, we are quite busy. When I say quite busy, I mean we don't care and we play video games all day. Any who, we've been pretty consistent with cleaning the unit up until a few weeks ago, and it's air cleaning abilities are questionable.
With in the past year, it broke once, and the company had honored the warranty and repaired the unit and had it back to me in a timely manner [2-3 weeks]. It didn't work any better. It broke because of a power surge, and my crappy surge protector failed at its job, but nothing else connected to the surge protector was damaged. Go figure.
I've noticed I had to dust a LITTLE less, but I still need to dust. Although I'm an asthmatic, the 2-3 weeks I didn't have it, I didn't feel like it was gone. My breathing was the same, not worse, not better. Also, during the summer, when the windows are open, the operation of the purifier is pretty much useless... The air that comes in, whether dirty or clean, is just replacing the air that is being purified, or ionized.
The Purifier takes a mere 44 watts on high, whether the ionizer is on or off[Measured with a kill-a-watt]. Makes you wonder if there is an ionizer at all?
The past four weeks, we haven't been paying attention to it. I opened it, and lo' and behold, it is filthy as hell. I cleaned it out, and only a handful of dust was collected in the vacuum. ONLY A HANDFUL. My vacuum collects more dust if I vacuum my room weekly, and their isn't much carpet to vacuum either.
Overall, I would say it works, but it isn't worth the price. Buy a cheaper unit from a Japanese company which probably works just as effectively at a lower maintenance cost [darn those replacement filters], OR get a good ionizer and set it high like on a closet, and let all the filth settle to the floor, and vacuum it up weekly. Both of those should work as good, or maybe even better than this thing. I don't know any good units to compare too, I haven't tried anything else, but don't let the "cleaner air" tag get to you... It's only as clean as the air in the rest of your house if the windows are closed, or as clean as outside if the windows are open.
Also, a good point to make is that I live in NY, and although the air quality isn't the worst, it's still pretty bad. Clean the charcoal filter with a odorless detergent or soap... Anything odorless will do the job. If you decide to use something that smells like soap, you might as well throw it away. The charcoal will absorb the soap smell, and it will smell like crap forever after.
Any questions?
"Running years later, no problems." 2010-08-10
By CapNHerb (Florida)
From the amount of stuff that I vacuum out of the removable filter every now and then, this thing works. Pretty silent, runs 24/7. Makes you feel healthier.
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