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17 of 17 found the following review helpful:
Does what it says, uncertain about fan life. Apr 29, 2007
By Objective Subjective
"Objective reviews with a little opinion thrown in."
I have used this for 3 weeks. I give it 4 stars because I'm a little concerned about fan quality and lifespan. If I posted the review after the 1st day, I would have given it 5 stars. It does exactly what it says it will do, produce ozone to purify the air. I can put it in a small room (10x15) for about 20 minutes, and everything smells so fresh!. A larger room like an open-plan family room takes more time, maybe 45 minutes.
I recommend you avoid the room during use and for about 15 minutes after use. Open a door or window to speed removal of remaining ozone. Try it in a closet full of clothing, and space the clothing to freshen the clothes!
Wherever you use it, place it on a level surface and place it as high as you can in the room (a dresser top, high closet shelf, etc.), as ozone is heavier than air. The little fan can't push the ozone very high, so starting high in a room is best.
About my concern with the fan. After 3 weeks of every other day use (different rooms), the fan is definitely louder than day 1. If I move the unit while it is turned on, and tilt it a bit off-level, the fan starts whirring and even sounds a bit like grinding. Therefore, turn off the unit before moving it around to place it in a different area. This fan is apparently not designed to operate in any position except perfectly level upright.
All in all, though, I am pleased with the purchase. Since the unit isn't operational for long periods of time, the fan noise isn't a concern.
Finally, don't confuse this with an ionizing unit like the Ionic Breeze. The Prozone is made to generate ozone for deodorizing and for short-term use. Machines like the Ionic Breeze are made to generate ions and remove particulates from the air; while they generate some ozone, it is a byproduct and of much lower volume than the Prozone.
14 of 14 found the following review helpful:
Great purifier, bad fan sometimes May 20, 2007
By R. Montgomery
"Unreconstructed Reb"
This is the second Prozone air purifier I've had now, the last of which I bought just one month ago. Both units have had the fan fail prematurly. The one I just bought is already making a high pitched whine. I checked on replacing the fan on the first one. The manufacturer wanted $45 to replace the fan, so I cracked open the case and checked the fan. It's a $3 Chinese unit! No wonder they fail so quickly. My solution was to put a table top fan behind the air purifier to distribute the air and keep the unit cool, and that actually worked better that the unit's fan. The fan does not have to work for the unit to produce ozone.
On the plus side, these units do work well as an air purifier and oder remover. I've used it in an 800 sq.ft. basement and it has keep it from smelling musty when the dehumidifier is off. Putting one in a walk-in closet for only 15 minutes will freshen it right up. The only down side is that they can smell quite strongly of ozone, especially when new. Eventually the UV emitter will burn out, and it does become weaker over time, so that the amount of purification lessens as the unit ages.
If you buy one of these units, count on the fan going out, and quickly. You either have to send the unit back constantly, replace the fan yourself or use and external fan. The manufacturer obviously isn't addressing their product defect issue.
Update: I just bought my fourth Prozone. I'm now using two at a time; one in the basement to combat the toxic dryer sheet fumes (yes, the fragrance in dryer sheet is toxic) that infiltrate from the neighbors on days when the wind is still, and one on the first floor, which has been going for year pretty much constantly. The last two have not had a problem with the fans (knock on wood) and they are much cheaper a lot of other similar products.
As to claims that ozone is dangerous, well, I've been using them for 12 years with no ill effects. Ozone is so reactive that it would be hard to generate enough to poison yourself with with this little machine. The average household probably has enough chemical out-gassing and other forms of indoor air pollution to keep the ozone levels minimal. You will know if the ozone levels are starting to get a little high. The air starts to smell "bleachy". When it comes to neutralizing odors these little machines are unbeatable.
10 of 10 found the following review helpful:
 Superb air purifier Jan 05, 2007
By S. Foster
"3gig"
I use this in my office which and what a difference it has made. Many people warned me that when I moved my office to this space that I would be constantly suffering with allergies. The office was full of mold and mildew but with the help of the air purifier, people come in an comment on how fresh the air smells. It's hard to believe that a machine so small can do so much!
6 of 6 found the following review helpful:
 Did not Last Sep 13, 2007
By C. Stoker
"cat lover"
When I first got this product, it was awesome. Clean, fresh smelling air. But unfortunately, it started making really bad noises after about 2 weeks, so I returned it. I have been looking for something that works as well, but so far I haven't found it.
5 of 5 found the following review helpful:
Prozone as a good air purifier Sep 03, 2009
By Mr. Leslie H. Miles Jr.
The unit works terrific as soon as you have it plugged in. You can smell the fresh air or cleaner air. The problem I have is the inability to get a new bulb to replace the one that is on to clean the air after it fails. When that buld goes out, you have to throw the whole unit away. We have become a throw away society and that is a shame. My only relunctance to recommend this product (I have three of them operating now)is that for the price, it seems rediculous for it to last a year (maybe) and then throw it away rather than simply have a way to easily replace the bulb. It seems like that is a planned stategy but it still works terrific as long as the bulb is on. I would suggest a way of returning the unit for a crediy towards the next one and at least there is reuse for the manufacturer and a way to save some money on the next one. I use two of them on the boat (51' ft. Bluewater) and there is no boat smell anymore. Before tha the clothes and everything smelled like the boat and other people would notice it. I did not except when I would just arrive but now I never smell it and people say how fresh it is inside when they visit. I have ordered my next pair of these and can say they do not last much more than a year of use as the bulb goes out. I hate to throw them away but the fresh air is worth it anyway so I pay and throw the old ones away. I run them 24 hours a day.
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