this air filter machine works & it works extremely well.Allergies markedly reduced in each room that we use one [we have 3 bedrooms, 3 machines].The filters are made by 3M.Replacement filters are about $14,much better price than HEPA filter machines.Overall,this machine is fantastic.

This is a great product, and you can get it, along with any other products on Amazon up to $500 Free! Participate in a special promotion and get a free $500 Amazon Gift Card at this web site: nocoststuff.biz/amazon

It works as I expected it to. The fan is quite powerful, and the motor is very quiet. Not quite a whisper; more of a subtle droning in the background that's hardly noticeable after a while. My only concern is that with such a powerful fan, in the short-term, the fan stirs up allergins in the room, so consider leaving the machine on for a while prior to entering the room.

I got this about 2 months ago because I wanted to reduce some of the cat hair in my room but honestly I can barely tell the difference. I leave it on 24/7 at medium speed (high speed is way too loud)

I have been through several air cleaners and found the filter replacements were expensive and hard to find. This air cleaner is great for the money and the filters are easy to find and affordable. Not to mention it actually works well.

I had tried some of the Ionic air purifiers, but those did nothing for my allergies. I would sneeze like crazy every morning, and many times after coming back into the house. I decided to purchase the Hamilton Beach 4381. Easy to install and setup. After the first night, I could feel the difference. In the morning, my nose was not stuffed, I didn't even feel like sneezing; it was great. Of course, right when I left the house, my nose started to act up.

Its not quiet like the ionic air purifiers, but it works because it circulates air using a fan. The air is sucked in from the front and blows out the top. I'd say at low fan speeds, its very quiet, at med speeds, its like a normal fan, and at full power, its wayy too loud. However, it should work well for most people at med and low power.

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I've had this air cleaner for about 3 months now and it is still going strong! The unit has 3 speeds, a steady hum at the highest and the lowest being the most quiet- but I bought it for air cleaning and white noise while I sleep. I highly suggest its purchase, as I am very happy and have not had a problem with it yet.

I have three dogs and they all sleep under my bed so at times my allergies start to kick in even though i vacuum twice a day!! So I purchased the hamilton true air and it has helped me sleep better and breath better. It is a nice size for a bedroom. I am planning on buying another one for my daughter's room. It is a great machine,great price! Filters are very reasonable price too!!

This is a really nice system - especially for the price. I've only had mine for about a month but am already very pleased with it. It fits on our dresser very nicely and does not interfer with us watching TV (we keep it on the low setting). We have not changed the filter yet - but am not worried given the reasonable price for the filters. Great investment!

THIS HAMILTON BEACH WORKS QUITE WELL FOR SMOKERS IF YOU KEEP IT ON A TABLE NEAR WHERE YOU ARE SMOKING IT DRAWS ALL THE SMOKE IN, OTHERWISE IT JUST CIRCULATES THE AIR IN THE ROOM AND IT REALLY NEEDS A SMALL ROOM TO DO ITS JOB.

THIS HAMILTON BEACH WORKS QUITE WELL FOR SMOKERS IF YOU KEEP IT ON A TABLE NEAR WHERE YOU ARE SMOKING IT DRAWS ALL THE SMOKE IN, OTHERWISE IT JUST CIRCULATES THE AIR IN THE ROOM AND IT REALLY NEEDS A SMALL ROOM TO DO ITS JOB.

THIS HAMILTON BEACH WORKS QUITE WELL FOR SMOKERS IF YOU KEEP IT ON A TABLE NEAR WHERE YOU ARE SMOKING IT DRAWS ALL THE SMOKE IN, OTHERWISE IT JUST CIRCULATES THE AIR IN THE ROOM AND IT REALLY NEEDS A SMALL ROOM TO DO ITS JOB.

THIS HAMILTON BEACH WORKS QUITE WELL FOR SMOKERS IF YOU KEEP IT ON A TABLE NEAR WHERE YOU ARE SMOKING IT DRAWS ALL THE SMOKE IN, OTHERWISE IT JUST CIRCULATES THE AIR IN THE ROOM AND IT REALLY NEEDS A SMALL ROOM TO DO ITS JOB.

THIS HAMILTON BEACH WORKS QUITE WELL FOR SMOKERS IF YOU KEEP IT ON A TABLE NEAR WHERE YOU ARE SMOKING IT DRAWS ALL THE SMOKE IN, OTHERWISE IT JUST CIRCULATES THE AIR IN THE ROOM AND IT REALLY NEEDS A SMALL ROOM TO DO ITS JOB.

THIS HAMILTON BEACH WORKS QUITE WELL FOR SMOKERS IF YOU KEEP IT ON A TABLE NEAR WHERE YOU ARE SMOKING IT DRAWS ALL THE SMOKE IN, OTHERWISE IT JUST CIRCULATES THE AIR IN THE ROOM AND IT REALLY NEEDS A SMALL ROOM TO DO ITS JOB.

THIS HAMILTON BEACH WORKS QUITE WELL FOR SMOKERS IF YOU KEEP IT ON A TABLE NEAR WHERE YOU ARE SMOKING IT DRAWS ALL THE SMOKE IN, OTHERWISE IT JUST CIRCULATES THE AIR IN THE ROOM AND IT REALLY NEEDS A SMALL ROOM TO DO ITS JOB.

THIS HAMILTON BEACH WORKS QUITE WELL FOR SMOKERS IF YOU KEEP IT ON A TABLE NEAR WHERE YOU ARE SMOKING IT DRAWS ALL THE SMOKE IN, OTHERWISE IT JUST CIRCULATES THE AIR IN THE ROOM AND IT REALLY NEEDS A SMALL ROOM TO DO ITS JOB.

THIS HAMILTON BEACH WORKS QUITE WELL FOR SMOKERS IF YOU KEEP IT ON A TABLE NEAR WHERE YOU ARE SMOKING IT DRAWS ALL THE SMOKE IN, OTHERWISE IT JUST CIRCULATES THE AIR IN THE ROOM AND IT REALLY NEEDS A SMALL ROOM TO DO ITS JOB.

THIS HAMILTON BEACH WORKS QUITE WELL FOR SMOKERS IF YOU KEEP IT ON A TABLE NEAR WHERE YOU ARE SMOKING IT DRAWS ALL THE SMOKE IN, OTHERWISE IT JUST CIRCULATES THE AIR IN THE ROOM AND IT REALLY NEEDS A SMALL ROOM TO DO ITS JOB.

THIS HAMILTON BEACH WORKS QUITE WELL FOR SMOKERS IF YOU KEEP IT ON A TABLE NEAR WHERE YOU ARE SMOKING IT DRAWS ALL THE SMOKE IN, OTHERWISE IT JUST CIRCULATES THE AIR IN THE ROOM AND IT REALLY NEEDS A SMALL ROOM TO DO ITS JOB.

THIS HAMILTON BEACH WORKS QUITE WELL FOR SMOKERS IF YOU KEEP IT ON A TABLE NEAR WHERE YOU ARE SMOKING IT DRAWS ALL THE SMOKE IN, OTHERWISE IT JUST CIRCULATES THE AIR IN THE ROOM AND IT REALLY NEEDS A SMALL ROOM TO DO ITS JOB.

THIS HAMILTON BEACH WORKS QUITE WELL FOR SMOKERS IF YOU KEEP IT ON A TABLE NEAR WHERE YOU ARE SMOKING IT DRAWS ALL THE SMOKE IN, OTHERWISE IT JUST CIRCULATES THE AIR IN THE ROOM AND IT REALLY NEEDS A SMALL ROOM TO DO ITS JOB.

THIS HAMILTON BEACH WORKS QUITE WELL FOR SMOKERS IF YOU KEEP IT ON A TABLE NEAR WHERE YOU ARE SMOKING IT DRAWS ALL THE SMOKE IN, OTHERWISE IT JUST CIRCULATES THE AIR IN THE ROOM AND IT REALLY NEEDS A SMALL ROOM TO DO ITS JOB.

THIS HAMILTON BEACH WORKS QUITE WELL FOR SMOKERS IF YOU KEEP IT ON A TABLE NEAR WHERE YOU ARE SMOKING IT DRAWS ALL THE SMOKE IN, OTHERWISE IT JUST CIRCULATES THE AIR IN THE ROOM AND IT REALLY NEEDS A SMALL ROOM TO DO ITS JOB.

THIS HAMILTON BEACH WORKS QUITE WELL FOR SMOKERS IF YOU KEEP IT ON A TABLE NEAR WHERE YOU ARE SMOKING IT DRAWS ALL THE SMOKE IN, OTHERWISE IT JUST CIRCULATES THE AIR IN THE ROOM AND IT REALLY NEEDS A SMALL ROOM TO DO ITS JOB.

THIS HAMILTON BEACH WORKS QUITE WELL FOR SMOKERS IF YOU KEEP IT ON A TABLE NEAR WHERE YOU ARE SMOKING IT DRAWS ALL THE SMOKE IN, OTHERWISE IT JUST CIRCULATES THE AIR IN THE ROOM AND IT REALLY NEEDS A SMALL ROOM TO DO ITS JOB.

THIS HAMILTON BEACH WORKS QUITE WELL FOR SMOKERS IF YOU KEEP IT ON A TABLE NEAR WHERE YOU ARE SMOKING IT DRAWS ALL THE SMOKE IN, OTHERWISE IT JUST CIRCULATES THE AIR IN THE ROOM AND IT REALLY NEEDS A SMALL ROOM TO DO ITS JOB.

THIS HAMILTON BEACH WORKS QUITE WELL FOR SMOKERS IF YOU KEEP IT ON A TABLE NEAR WHERE YOU ARE SMOKING IT DRAWS ALL THE SMOKE IN, OTHERWISE IT JUST CIRCULATES THE AIR IN THE ROOM AND IT REALLY NEEDS A SMALL ROOM TO DO ITS JOB.

THIS HAMILTON BEACH WORKS QUITE WELL FOR SMOKERS IF YOU KEEP IT ON A TABLE NEAR WHERE YOU ARE SMOKING IT DRAWS ALL THE SMOKE IN, OTHERWISE IT JUST CIRCULATES THE AIR IN THE ROOM AND IT REALLY NEEDS A SMALL ROOM TO DO ITS JOB.

THIS HAMILTON BEACH WORKS QUITE WELL FOR SMOKERS IF YOU KEEP IT ON A TABLE NEAR WHERE YOU ARE SMOKING IT DRAWS ALL THE SMOKE IN, OTHERWISE IT JUST CIRCULATES THE AIR IN THE ROOM AND IT REALLY NEEDS A SMALL ROOM TO DO ITS JOB.

THIS HAMILTON BEACH WORKS QUITE WELL FOR SMOKERS IF YOU KEEP IT ON A TABLE NEAR WHERE YOU ARE SMOKING IT DRAWS ALL THE SMOKE IN, OTHERWISE IT JUST CIRCULATES THE AIR IN THE ROOM AND IT REALLY NEEDS A SMALL ROOM TO DO ITS JOB.

This product is really nice. The lowest setting is quiet for sleeping. We have 2 dogs and 2 cats and can breath easier in the morning thanks to this product.

I,m very happy with this air cleaner. In just a day or two of use the smoky air from the woodstove has cleared up. I'll probably get another to use in our dusty basement, it does a good job for the price.

I've used my air cleaner for about a year now. It does the job well. The only thing I don't like about it is the noise. Sometimes I have to turn it off to talk on the phone (phone is in same proximity as unit). BUT, the stong fan is why it works so well and it's doing its job.

I love it. My whole room smells cleaner and the baby stopped caughing and sneezing. Great item and great price too.

Well, it works. And the filter is slowly turning a non-white color. I placed this TrueAir box in proximity of my ferret's cage, hoping to remove some of the dander and perhaps a touch of their musk (though in reality, I know washing their bedding more frequently will do that). The fan is powerful, though at the higher settings, it sounds a bit loud. It might actually be useful as "white noise" in a bedroom.

So it puts out air, it draws IN air, and the filter seems to, well, filter. Other than that, I have not noticed a change in my air quality. I also have one of those tiny TrueAir units that plug directly into an outlet, on the other side of the room. They both seem to work. I suppose the lack of offensive odor is a sign that this is working? I will know more when me severely allergic friend ventures back over.

My girls just coughed and coughed without apparent colds mostly at night and when the got up in the morning. At school they didn't cough hardly at all. The Dr. said he thought the one had allergies. As soon as we filtered the air in their bedroom, they both stopped coughing. The results were immediate the first night they slept in their room. This is one of the best investments we have ever made.

Even when the higest setting was selected for this air cleaner, I did not really feel any different about the air quality. Since it uses a small disposable 3M type of filter, I do not believe it is much better than the 3M filtrette type of air filters you may use on your regular air-conditioning/furnace system. I believe my Honeywell Air Cleaner (large unit) actually works better than this cleaner.

I live in a small split level home that was built in the 1940's. We have two cats and now babysitting two more cats for the winter. With the addition of the 2 new cats, my wife was being affected by the dander and we both were sucking in a lot of cat hair. I did some research online and found mostly mixed reviews. This one had the best reviews, but only from 4 different people. I figured the best way to know for sure was to buy one and try it out.

I got the 250 square foot bigger brother of this model and have to say that the first impression is very good. I put it in the bedroom, set fan on high, and a couple hours later, the room smelled great. I can't comment on the allergy effect yet as it is too early. However, I did notice that some of the finer cat hairs were trapped in the HEPA filter.

We have our cat pans in the lower level bathroom. Smell has always been a problem. I put the new air purifier in this room, closed the door and an hour later, noticed a huge improvement in the smell. Even when I put my nose just above the catpans, the decrease in odor was very noticeable, though still faintly there. I hadn't cleaned the litter yet.

The filter is very easy to change, rated for 1 year, and it cost $24 for a replacement (remember that I got a bigger model than the Amazon one, but fyi, the replacement filter for this smaller model was about $10.50 and good up to 6 months.) Neither models have the odor carbon filter, but heck, I don't think I would need it now any way.

The only downside I see so far is that on high, it is very loud. It does move a lot of air, and if you stood over it, it would feel similar to a hair dryer. On medium, the noise will compete with the central heating kicked on and slightly overtake it, but no where near as loud as on high. The air movement will flutter your hair. On low, the sound is like a whisper. The central heating noise overtakes it easily. It still moves air, and the breeze is like a gentle wind. In a silent room, the noise on low is a pleasant low drone.

I give it 4 stars due to noise on high and because I haven't had it long enough to make sure it is a great product without any more flaws. I purchased mine at a local store and used the local store prices.

For odor control alone, I think I will buy the 210 square foot model for the litter room and keep the bigger one in our bedroom.

Wow! I was browsing around and this kept on poping up. Then I saw this person review (d_p_m_j), so I said to myself, what the heck. Let me teeeelllll youuuu, lol, wow, it really does the job. My pets they shed alot and I have noticed within a week a difference. The air is alot more cleaner and I stopped sneesing and I am glad I purchased this item. Not one but two. Worth every penney. Have a great helthy day.

Hello, I purchased this air cleaner to deal with second hand smoke in my home, coming in from a neighboring apt, and it works well.

I like that the filters can be changed as frequently as i want. Ive owned several air purifiers with hepa filters and found that the hepa filter can get ruined if you have a lot of tobacco smoke in your home. Hepa filters as you probably know are very expensive to replace. With this air cleaner, expensive filters arent a problem, because you can change the filter often and inexpensively.

After a lot of research i can tell you that trueair products are great for smoke removal. Im even using the double carbon filters they make for small outlet air cleaners in another appliance and they work like magic to remove tobacco odor.

I wish trueair would invent some larger air purifiers to remove smoke specifically. RIght now it seems they only have small ones to do this job.

To start, I just want to let it be known that I've had my Hamilton Beach TrueAir Allergen Reducer for all of a week... But there's been so much of a difference that I couldn't wait any longer to write this review.

I've never had any hardcore allergies to cats or dogs, and I love pets. When I married my wife, I became Dad to her six cats. Long hair, shorthair, hair everywhere. And a few months ago, I began noticing that waking up in the morning was getting increasingly unpleasant. As of last month (and I'll try not to be overly graphic) I was waking up without fail each day with what felt like a concrete mixer behind my eyes. Congested every morning, and having to take extra-long, piping hot showers to feel any better... usually followed by at 500 mg of Tylenol and an additional allergy medicine.

So I saw this Allergen Reducer for a 210 square foot room online and decided the price was right to give it a shot (replacement filters are less than $15 each, which was also an acceptible cost). Our bedroom is about that size exactly, and since we usually have at least three cats in bed with us at any given time during the night, it seemed worthy of the investment.

After four days of having this machine on in our room (with the one door usually open only enough for the cats to enter and exit), I'm happy to report that each day I have (waked? woken? waken?) to a 99% improvement. I'll certainly come back to this review in future months to update, but there has been such an enormous difference within a very short time that I wanted to tell others who might be currently experiencing what I have in the past that this device might provide much welcomed relief, and quickly!

We received this item for our wedding shower. We live in an apartment with a cat. So, we got this to put in the room with the litter box.

The room smells great and much less dusty! It was totally worth it. The varying speeds are a big plus too.

The only catch is that it has a filter which must be replaced every so often.