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77 of 78 found the following review helpful:
 Good filter for the priceJun 02, 2008
By CJC
One thing I learned about filters is that you definitely get what you pay for. When you drop big coin on a pricey, hospital quality filter you can expect perfection in performance and air quality. When you spend $75-$125 like I did on this air filter then you get what you pay for. This medium room purifier with "HEPA Type" filters is said to be about 95% effective at removing air born allergens. The two HEPA type filters are permanent along with the secondary outer carbon filter for bigger air particles. The ionizer is also fairly effective at changing the overall smell of the room. If you choose not to have the ion smell you can simply ignore the button that turns that feature on. I've owned this filter for about 3 months now and it will occasionally buzz a little at high speeds. However, with mine it is easily fixed by tapping the top or by adjusting the tightness of the back plate. Low and medium speeds are pretty quite though. It has great dimensions as well making it possible to easily fit in to any small room without making the place look cluttered.
For the money I feel like I got everything I paid for. I gave 4 stars because of the occasional soft buzzing noise and the fact that the purifier is designed in such a way that it does not push as much air through as it could. Aside from those minor complaints, this filter is the way to go if you're looking for a cheap and effective solution to cleaner air.
*UPDATE - After about 6 months of using this thing all night almost nightly, it still works very well. I've only had to clean off the outer dust filter once or twice. I have noticed one thing that I found particularly annoying and that is that this filter emits some sort of magnetic field when turned on. I know it sounds like a stupid complaint, but when you have a smaller room and the only place you can put this is next to your television you'll see why that's bad thing. Lots of screen discoloration from the magnetic field, I'm just happy it wasn't there long enough to do permanent damage. However I'm not sure an LCD or plasma tv would be affected by this.
58 of 60 found the following review helpful:
 Early opinion of Honeywell HHT-081 air purifierDec 28, 2008
By Lenard McLean
"Tech Geek"
Let me begin by saying that I purchased this air purifier for my mom who, (like myself) suffers from horrible allergies. Dust, moisture, etc - it virtually all sends her into a sneezing fit. Congestion, stuffy nose, and other annoyances frequent her days.
So anything to give some relief is a God-sent. However, I found myself extremely skeptical as to the actual effectiveness of these "air filtration devices". That is - until I spoke to my uncle who owns this same model. He said that it really helped to remove the dusty, musty smell from his living room.
This was a gift for her for Christmas 2008, but I had considered one of these last year.
I helped her set it up today, and here are the (admittedly) early findings.
Pros;
1) VERY easy to set up out of the box. Just take it out of the box, remove plastic bag from machine, and open the plastic bags containing the filter cartridges, and place them back into the machine. Then just plug it in and turn it on. It's really that simple.
2) 2) Price - If you have done your shopping/research on these machines, you know that you can pay hundreds, and even thousands for an air purifier. For what I paid on Amazon - I feel like I got a deal, plus free shipping.
3) Filters for this machine are REUSABLE. This means that the device SHOULD be less expensive to use over time.
4) Air flow - An air purifier is obviously a fan (or series of small fans) which pull air through a filtration system that removes smells, dust, and hopefully allergens as advertised. So it is obviously a plus for the device to circulate a large volume of the air in a given area. This one does move A LOT of air.
5) Relatively quiet when in use. (though a bit loud on High)
6) Size - Many of the medium-room air purifiers that I looked at had a large foot print. But this one does not take up a lot of floor space, (about a square foot).
Cons;
1) Slightly noisy (especially on high)
2) Cool air - As I stated earlier, this device obviously has a fan to move the air through the filters. The air that it blows back into the room feels quite a bit cooler than the room temperature. This is primarily a cool weather annoyance.
Overall - I would have to recommend this device quite highly based on early impressions. The price is good for the volume of air which it seems to move through the filters.
One note of caution before buying; If you want an air purifier for your bedroom - I would suggest that this unit may be a bit noisy unless you like ambient (fan type) noises while sleeping. I would suggest this model for living rooms, dining rooms, and other day-use areas.
96 of 103 found the following review helpful:
Not a HEPA filterJul 16, 2007
By Inforesource
The description says HEPA filter, but the box said HEPA-type filter. I am not sure what this will mean for the life of the filter, as I have vaccumed it several times and it still looks dirty. However there seems to be less dust in the room and my son says he has less allergy issues at night, so - so far so good.
I origninally rated this 4 stars, but would downgrade to 2 stars.
I have owned this for almost a year now, the fan now makes an annoying rattling sound that lessens somewhat on the high setting. The 'clean filter' light has come on and stayed on even though I vacuum it weekly. For what I paid I am disappointed in the performance.
63 of 67 found the following review helpful:
 Energy Hog for second-rate cleaning.May 27, 2010
By C. Chiang
I am disappointed for 3 reasons:
1. The Honeywell HHT-081 is an energy hog. I have a Kill-A-Watt(tm) meter that can tell me the wattage and power consumption of anything plugged into it. This air purifier consumes 41 watts on low, 63 watts on medium, and 98 watts on high (ionizer on or off has no measurable effect on wattage). I suppose this means running on high 24/7 will cost about $8.50 per month, but compared to other higher quality air purifiers, a low setting of 41 watts and a high setting of nearly 100 watts is quite shameful. For example, the RabbitAir BioGS SPA-421A consumes between 7-33 watts. Honeywell does not make technical specs of their products available, so I cannot compare air flow rates between the two... But, it's common sense that the HHT-081 probably does not put out 3 times the air of the RabbitAir BioGS SPA-421, even though it's consuming 3 times the energy...
2. The HHT-081 is a hepa-TYPE filter. hepa-TYPE is not TRUE-hepa. Meaning, it's not really hepa, but it's similarly shaped. HEPA-type filters trap only the largest of the range of particles, leaving the smallest ones (presumably also quite problem-causing) to flow through freely. If you only want to clean out visible dust, this isn't a problem. But, if you have allergy problems, HEPA-type filters will not solve your problem. I bought this knowing it wasn't a true HEPA, for cheap extra low-end dust-filtering to support my higher quality unit... But, running at 100 watts, I feel like I'm pouring energy down the drain for third-rate cleaning.
You may say, "but true-HEPA filters are expensive to replace!". It's true that they are expensive. But any decently designed air purifier that has a true HEPA filter will have a washable pre-filter that catches larger dust particles- leaving the only the smallest particles for the HEPA filter. This way, the HEPA filter is not clogged up with large particles of dust. Such designs allow for filter replacement costs between $30-$80 per year - this includes buying both a HEPA filter and an Activated Carbon filter. (such as the Sharp Plasmacluster or any of the RabbitAir models)
3. You have no idea what you're buying. By that, I mean: Honeywell has a suspicious lack of technical specifications for its air purifiers (unless the particular quality is somewhat notable). Any other higher quality manufacturer will have plenty of technical specifications available. How loud is this unit? No technical data. How much energy does it consume? No data. What kind of air flow comes out of it? No data. How large of a room can it clean? Hardly any data. Air changes per hour in a room of a certain size? No luck here. The only thing available is the CADR rating, and I would cation against judging a product by its CADR. CADR measures how fast a model can spew out cleaned air in a 20 minute period. It does not take into account energy efficiency, loudness, long-term durability, ease of use, etc... You wouldn't buy a car based on how well it performed in a drag race, would you?
IN CONCLUSION, while I am only spending $90 for this model, I get energy-expensive second-rate cleaning. Looking back, I would rather have spent a little extra ($160 to be exact) to get a RabbitAir BioGS or something of that quality, because the HHT-081 is nothing but an inefficient fan combined with the pre-filter of a higher quality air purifier.
5 of 5 found the following review helpful:
Great air purifier at a lower price!Jan 30, 2011
By Hockeyman30
I bought this product in hopes that using it in my bedroom would clear up some of my alergies. I have only had this product for a week now and ao far so good. My alergies have cleared up a noticeable amount when I am home. However this is a permanent hepa-type filter NOT AN ACTUAL HEPA FILTER but this still does the trick. It says right on the box that it still filters up to particals 2 microns in size or 99% of alergins. The motor I usually keep on medium which is decently quiet and low is a light wisper however high is a little loud but is good to change the air in the room quickly. This unit has a built in ionizer which can be turned on or off but I havent really noticed the diffrence in opperetion with it on or orr. This unit is not energy star certified so like the one of the other reviewers stated that this unit might be pulling a little bit of wattage but that dosent bother me as long as it works. Plus this unit comes with a 5 year garentee which means that honeywell and kaz stand behind their product which means a lot. As for the smell some people report in the first 24 hours.. I havnt noticed anything at all. The big perk to this unit is there is no replacing prefilters or filters. Both last forever just wash out the prefilter and let air dry, and vacuum the regular filter the way it says in the included instructions. Over all this was a great buy and it works well. Thanks for a quality product honeywell!
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