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Honeywell 50250-S True HEPA Air Purifier, 390 sq. ft.
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- Patented 360? degree air intake and discharge maximizes efficiency
- SurroundSeal® Technology helps minimize air leaks
- 3 air cleaning levels
- Most effective for Large to Extra Large Rooms
- To ensure stated product performance, use only Certified Honeywell Replacement Filters.
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*From the air that passes through the filter. Overall particle reduction depends on many factors including the amount of air processed, the pollutant type and the pollutant introduction rate into the environment.
**When operated with the odor reducing pre-filter. It is recommended that the pre-filter be replaced every 3 months to effectively reduce common household odors and gases in a room. This product does not reduce or absorb carbon monoxide gas. Make sure gas appliances are well ventilated.
***Based on 11/10 AQS survey results reporting 124 out of 172 (72%) of surveyed Allergists that recommend an air purifier to their patients, recommend "Honeywell" air purifiers.
The 50250-S offers these great benefits:The Honeywell True HEPA Air Purifier was designed for extra large spaces! The permanent HEPA Filter helps caputure airborne particles 0.3 microns or larger1, greatly reducing the amount of dust, pollen, pet dander, and mold spores in the air. The 50250-S features 3 cleaning settings and a filter life indicator.
True HEPA Advantages
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1 From the air that passes through the filter. Overall particle reduction depends on many factors including the amount of air processed, the pollutant type and the pollutant introduction rate into the environment.
2 When operated with the odor reducing pre-filter. It is recommended that the pre-filter be replaced every 3 months to effectively reduce common household odors and gases in a room. This product does not reduce or absorb carbon monoxide gas. Make sure gas appliances are well ventilated.
3 Based on 11/10 AQS survey results reporting 124 out of 172 (72%) of surveyed Allergists that recommend an air purifier to their patients, recommend "Honeywell" air purifiers.
4 Up to 35% quieter than similar models
1. Choose the best air purifier for your needs
*Purchase "K" pre-filter for QuietClean® Odor and VOC Reduction
2. Choose your room size
Length x Width = Total Square Feet
3. Find the right replacement filter
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|Sold By||Amazon.com||SupplyBuy||Amazon.com||Marketplace Distributing||Amazon.com||Amazon.com|
|Item Dimensions||18.03 x 18.03 x 19.57 in||15.5 x 14.5 x 10 in||11.22 x 28.7 x 10.04 in||5.8 x 6.3 x 10.88 in||4.8 x 14.76 x 14.76 in||12.17 x 12.24 x 29.88 in|
|Item Weight||21 lbs||4 lbs||14.52 lbs||2.2 lbs||2.2 lbs||17.9 lbs|
Top customer reviews
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We have noticed a significant decrease in our allergies and in the dust in our home.
Replacing the prefilters every 3 months is a breeze - you just unscrew the bottom, unwrap the old one and wrap the new one onto the HEPA filter. (We do it outside to reduce dust in our home).
This model is basically the same except that the switch has blue lights indicating it's ON. Which would only be necessary if you are hard of hearing, because you can hear the fan when it's running. And the new one does not have the little wheels on the bottom, which I enjoyed on the old one. However, the machine is light enough that you can lift it or slide it quite easily.
The price ( including future maintenance costs) seemed very good compared to other products. Plus I had personal experience of 28 year of reliability with it's older sibling.
When I leave the house, I run both of them full blast. When I get home, I turn them down to a quieter low speed. If I am making phone calls and need to minimize the white noise in my house, I turn them off.
I have uploaded two pictures to illustrate my review. These photos compare the HEPA filters and the carbon pre-filters from this model and from my older Honeywell model.
The new machine seems as powerful as my old Honeywell. The noise level is approximately the same. These are very important features for me.
I am giving this air cleaner a tentative three-star rating because it is not what I expected, for a few reasons.
The first reason that this machine is not what I expected, is that my expectations were based on an older Enviracare model, #13350 that I bought in 2000, and on an even older model circa 1987 (maybe it was #12500). These two models blow air out the bottom in a full circle. I always thought this was a deliberate design decision. The advantage of this arrangement is that it blows dust from the floor and the corners up into the air. That might not sound like a great idea if you have allergies, but I like it because it ends up keeping the room much cleaner over the long term. I vacuum weekly, so there isn't a lot of accumulation anyway. Obviously, if this is the first time you're running an air cleaner and the room hasn't been cleaned in a long time, blowing the dust off the floor and into the air will be a disaster for you. (Tip: Don't do that! Thoroughly clean first, then turn on the air cleaner.)
I have my life arranged around keeping allergens to a minimum, so that I don't have to get allergy shots or take as many drugs (used to do this a long time ago, for years). I sleep in a loft bed, so that I can have the air cleaner under it. The air cleaner is constantly cleaning under the bed, an area of the house with the most (and worst) dust in most houses. Having the machine under the bed means that I don't have air blowing in my face. It creates a nice sourround-sound white noise under there too.
But anyway, this machine doesn't work the same way. All the exhaust air blows up in a vertical cone. I guess this could be considered an advantage for a couple of reasons. One is that, in the winter, that draft along the floor can really chill your ankles, so it's better to have the air blowing upward if you are using the machine any time other than when you are in your bed. If you sleep on or near the floor, having it blow up is probably best. And if your idea of a clean-room strategy is to let the dust stay wherever it is, like in the carpet or in the corners of the hardwood floor, you don't want air blowing along the floor. But the problem for me is, once dust settles to the floor, this machine will never get it. So I am expecting to have to clean the floors more often with this machine than I did with the old machine.
The second reason that this machine is not what I expected, is that the HEPA filter is not made by Honeywell. My old HEPA got full of pesticide when I bombed the house for fleas, and unfortunately continued to return pesticide to the air for over a month until I finally figured out what the source of my contact dermatitis was. So I just wanted to replace the HEPA and the carbon pre-filter. Since I didn't seem to be able to do this safely, I decided to spend a lot more money to get a whole new air cleaner, which of course I expected to have a Honeywell filter in it. Not. It has a sticker on it that says "Replacement HEPA Filter" which suggests that it is an aftermarket filter out of the box, whereas I was expecting it to be the "original" filter. I was specifically trying to avoid getting a KAZ filter, because of the Amazon reviews about replacement filters by KAZ. There were a lot of complaints that added up to its not being an appropriate filter for an allergy-sufferer. Specifically, the KAZ filters were said to have a burning/plastic odor, and/or to set off people's asthma.
So, point is, if you already have a Honeywell cleaner and you are considering replacing it because you don't want an aftermarket filter, you won't get what you are expecting. If you don't already have an air cleaner and you therefore don't know any different, this one will probably work out fine for you. In favor of this HEPA filter, I will say that I am not noticing any off-odors and have not reacted badly to it. The machine smells a tiny bit like new plastic, but I don't mind that smell and I think it's to be expected with any new plastic machine.
The third reason that this machine was not what I expected, is that the filter from my old machine is *exactly the same size* as the filter from this new machine. I therefore don't understand the reviews of the replacement filters, which seemed to indicate that it was hard to replace the older HEPA filters. So, a little bit of detail for those who would find it helpful:
Both the KAZ HEPA filter from the new Honeywell model #50250-S and the Honeywell HEPA filter from the old model #13350 have these measurements:
14.25 inches diameter, from outer edge to outer edge of cushioned rim
10 inches high, from edge of bottom cushioned rim to edge of upper cushioned rim
9 inches high, from edge to edge of exposed filter
2.5 inches from inner edge to outer edge of cushioned rim
2 inches (approximately) from inner edge to outer edge of exposed filter
The fourth reason that this machine is not what I expected, is that the pre-filter is indeed much less dense, as some other reviewers mentioned. It's probably not terribly critical, since the real business is in the HEPA filter, but I expect that the HEPA filter would get clogged a lot more quickly because there is less to catch the bigger dust particles. I changed the prefilter right away and will save the prefilter supplied with the machine for an emergency.
Final point: Because I decided to order a whole new machine, I gave in to curiousity about the washability of the HEPA filter. I had a suspicion that I could simply wash the pesticides out of the filter, because I have a Eureka Optima vacuum cleaner with a True HEPA filter (this is a great allergy-sufferer's vacuum, btw). To make it easier to keep clean, I cover this filter with a homemade prefilter that I made out of a disc filter intended for a Shop Vac; I just cut it to size with scissors, wrapped a single layer of it around the HEPA filter, and held it in place with a rubber band. I generally wash the prefilter with hot water and soap every time I vacuum, and then when I have to clean up something particularly nasty I wash the HEPA filter as well. To me, the vacuum's filter and the air cleaner's filter really don't look too different. And I found web sites that offer HEPA filter cleaning services but that also tell you how to clean them yourself. The two methods of cleaning the HEPA filter that they recommend are blowing with an air hose, and blasting with a water hose. The water hose is actually said to be the better method because it gets the filter cleaner. Who knew? I figured I had nothing to lose, since I couldn't use that HEPA filter in that condition anyway. I tried it, and it seems to have worked just fine. Contrary to warnings that I was reading everywhere, the filter did NOT "fall apart" and the glues did NOT dissolve or disintegrate. I can't guarantee that nothing changed inside the filter somewhere, but if it is just a big accordianed piece of pressed fiberglass like my vacuum cleaner filter, then I suspect that at worst it's slightly fuzzier than it was before washing.
Here's how I washed the HEPA filter. First, I used a spray bottle to saturate the surface of both sides of the filter with isopropyl alcohol to denature and dislodge the contaminants, and let it air dry. Then I saturated it again with alcohol, and let it dry. Then I used a hose to completely saturated the filter, applied some very mild dish soap and lathered a bit, then rinsed the soap away. Then I sprayed with alcohol again to displace some of the water and to discourage microbial growth while the filter dried. It took about 3 days to dry completely with a fan blowing on it. I can no longer smell pesticide, and I can put my face right into the exhaust of the air cleaner without reacting.
I will update after I've used the new machine for a while.