Question about Honeywell QuietClean HFD-110 Air Purifier

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Does this produce Ozone?


I been looking at 2 models(HFD-110 & HFD-010) and been trying to find reviews on each. I was reading the comments from amazon and someone mentioned this:

"I've read some alarming material on the negative health effects of ionizers and other air purifiers that create "ozone," so I picked this air purifier since the description didn't say anything about an ionizer or ozone.

I received the product and was happy to find that it was in fact as quiet as its name purports. However, as I was reading through the instruction manual, I found hidden in jumble that I'm sure most people don't even bother to read that there is apparently some kind of active carbonator or whatnot that (you guessed it) emits ozone! Of course the disclaimer said its levels of ozone emission are within regulation, but the articles I've read have said that even when you follow the manufacturer's guidelines, you can still put yourself at risk of trapping too much ozone in a small area.

So now I'm afraid to use my air purifier. I always turn it on when I leave for work with the timer set to turn off before I return home, but I don't always remember to turn it on in the morning when I'm rushing to catch my bus, so it hasn't been as useful as I hoped when I originally bought the product. I really wish the description on Amazon had been more thorough because I never would have bought this product in the first place if I had known about the active carbon thingy.

I also own the Honeywell 17000N and though this product is not as quiet as the the QuietClean, it is a pure air cleaner with no fancy ozone-emitting sideshows, so at least I am able to leave this one on 24/7 without fear of poisoning myself."

I have not done enough research to verify his facts yet but I am wondering does this produce ozone like this person stated in his comments?

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I believe (LOL) it does.

Posted on Sep 24, 2008

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How do I read the graduations on the purifier control & what do the 1 or 2 red plate settings tell me?

The graduations are incremental for your ozone output for the purifier control. Generally, the machine can put out enough ozone to cover 3000 sq ft. (when the control is moved all the way to the right, about 5 o'clock.) Half way should be about 1500 sq ft or 12 o'clock. For general air cleansing, you should set the purifier control to produce enough ozone so you smell it when walking into the room (after home) for about 30 seconds. The ozone smell should disappear after that. If it lingers, you've got it set too high. For more severe odor control you can set it higher but remember that some of us are more sensitive to the odor no matter what the setting. It may need some adjustment based on your individual preferences.

I'm confused about the 'red plates' as you mentioned. The original machine comes w/ 2 ozone plates (made of glass) and doesn't produce ozone when one of the plates is removed. I'm guessing that the lines may tell you when you're engaging both plates to work, i.e. more ozone being produced & blown into the room or less only calling on one plate to produce ozone. If you send me a close up pic of the control panel I may be able to tell you more.

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Presumably it meets all relevant safety standards, otherwise it would not be permitted to be on the market in most civilized countries.  That said, it certainly produces ozone which, while a highly effective odor destroyer, is an environmental pollutant and causes upper respiratory tract irritation and other symptoms (check out ozone in wikipedia, and you won't want to be around it for long!).
Personally, writing as a qualified chemist and biologist, I would not want to be in the same room as a working ozone generator. 
Does that help?

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Try the manufacturers website for their trouble shooting guide...walks you through most problems and how to fix them.

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