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Whirlpool Whispure Air Purifier, HEPA Air Cleaner, AP51030K
|Price:||$295.00 & FREE Shipping|
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- Filters air 4.8 times per hour in a 500 square feet room
- Quiet and easy to use electronic controls
- True HEPA 0.3 micron filtration
- Clean Air Delivery Rate (CEDR) 315
- 4 Fan speeds, plus sleep and turbo modes
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The Whirlpool AP51030K features a three-stage filtration system comprised of a pre-filter, carbon filter, and true HEPA filter. The air purifier’s outside grill acts as a permanent pre-filter by capturing large particles and preventing them from entering the unit. Large particles that find their way inside the unit are promptly caught by the carbon filter, which also works to eliminate unwanted odors and protect the life of the HEPA filter. At the heart of the Whirlpool Whispure 510 is true HEPA filtration. HEPA filters provide maximum filtration of your room's air by removing up to 99.97% of particles that are 0.3 microns and larger. These particles include pet dander, dust mites, pollen, ragweed, mold spores, and other microscopic irritants that can damage your indoor air quality and aggravate allergy and asthma symptoms.
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This item Whirlpool Whispure Air Purifier, HEPA Air Cleaner, AP51030K
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|Item Dimensions||22.1 x 12.3 x 27.2 in||22.5 x 24.5 x 13.6 in||15 x 16 x 28 in||17.75 x 10 x 26.75 in||18.03 x 18.03 x 19.57 in||20 x 13 x 26 in|
|Item Weight||22.55 lbs||21 lbs||35 lbs||26 lbs||21 lbs||35 lbs|
Top customer reviews
WHIRLPOOL MODEL AVAILABILITY:
The following Whirlpool models are both still available, (as is a third less powerful model, the 250, which uses different sized filters):
Whirlpool Whispure 450 Air Purifier (AP45030K), also 315-CADR
Whirlpool® Whispure 315-CADR Air Purifier with True HEPA Filter, AP51030K (this page)
Both of these models use the same replacement filters:
Whirlpool 8171434K Large Air Purifier Carbon Pre-Filters
4-Pack and the Whirlpool 1183054K Hepa Filter, Large (links below)
CADR RATINGS EXPLAINED:
The Clean Air Delivery Rate (CADR) comes from measurements conducted by the Association of Home Appliance Manufacturers (AHAM), and is a measure of the amount of particle-free air being delivered into the room. It is the best measure of the true cleaning capacity of the air cleaner. The higher the CADR, the larger the room that can be effectively cleaned. A loose equation is: CADR x 1.5 = sq. ft. room size.
This is important because manufacturers can list any "room size" rating they choose, regardless of CADR rating. Thus you might have one product claiming it can effectively handle a 400 sq. ft. room, while another product says it can handle a 200 sq. ft. room, yet both have the same CADR ratings. So always use CADR ratings rather than room size ratings in making your comparisons.
That said, air cleaners are usually advertised with the room size for which they are recommended. If this accurately matches about 1.5 times the CADR rating (as in Whirlpool's case and with many other top brands like Honeywell), just keep in mind that this recommendation is based on the the unit's ability to provide 5 or 6 Air Changes Per Hour in a room of that size.
Thus, a 250 CADR rating x 1.5 = 375 sq. ft. room size, means the unit provides 5 - 6 complete Air Changes Per House in a 375 sq. ft. room sized room. Simple enough.
But for allergy-sufferers it's a bit more complicated than that. This standard rate is sufficient to decrease particle levels in the room by about 70%, which isn't enough for allergy sufferers. A larger unit in the same size room can produce 8 or more air changes per hour, decreasing levels by 90% or more, again, depending on properly matching CADR to room size. This is the correct target in medical situations.
Finally, Please Note: the CADR rating applies to the HIGHEST fan setting of each unit.
The AP510 on this page, is Whirlpool's slightly beefier model that has the following additional features: turbo and sleep modes, 1 extra fan setting, and electronic vs. the 450's manual controls.
Since the CADR ratings of the two units above are the same, the additional cleaning capacity over the Whirlpool 450 model must relate to a higher fan speed (and AC wattage draw) at the maximum setting of the Whirlpool 510. Again, keep in mind that if you want to effectively clean a room as advertised, both units will have to run at the highest speeds.
Sleep mode allows a user-defined setting for sleep hours, wherein the purifier automatically flips itself to the lowest fan settings for that time period, allowing the unit to be run continuously during sleep hours. After sleep mode expires for that period, it flips itself back up to the standard setting. (If anyone has info on Turbo Mode, I'd be grateful and will update this review).
As noted by another reviewer, the AP510 (this page) is Consumer Report's top-rated air purifier for home use in 2010, along with the Hunter 30547. (Consumer Reports September 2010, p.44, "Lab Tests: Air Purifiers - Our Tests Reveal Which Ones Deliver"). I searched for the Hunter unit on Amazon, and it is not available as of 11.5.10. Amazing the company would allow that, given that they should be selling like hotcakes after CR's review. It's typical price is $350, and it has ratings for rooms the same size as the Whirlpool AP510 on this page. (I could not find the CADR rating for the Hunter, but assume it must be the same or similar to the AP510).
UPDATE: The Hunter model has been discontinued, and they sell new models now that rate similar and which are sold here on Amazon: Hunter 30401 QuietFlo and Hunter 30402 QuietFlo. The 401 model is programmable, the 402 is not. The Hunter site lists the programmable 401 at a higher price than the 402, while Amazon sells it for a lower price than the 402. Go figure. Check Hunter's site for more details.
HONEYWELL'S TOP UNIT:
I think of all the many models I reviewed under $600, the Whirlpool is the way to go. Excellent product, strong company backing, easy to find filters, great price. It is all you need, IF the only thing you need is effective particle removal. For serious odor and chemical removal, look to more expensive units.
But one other model that is a very strong contender for home use is the Honeywell 50250 at only $159 on Amazon. It has been very well received and has great reviews here on Amazon. It's faults appear to be high power consumption and noise. The Honeywell did come in at No. 9 in the same Consumer Report's review (out of 20 rated), where they noted it needed to be run on the highest fan setting to be effective, which caused it to be very noisy. As already discussed, all CADR ratings refer only to a unit's highest fan settings, no matter which brand you buy.
Noise is a problem. However, where the Honeywell excels besides a great price, is that their canisters are sealed and therefore they do not tend to leak any dust back out of the unit and into the exhausted purified air. Many other cheaper models do, including the Whirlpool models at least according to my online research. (If you can disprove this, please let me know). This is a big deal to me, though it may not be to other users, because I have asthma and I can't have the "vacuum cleaner effect" with house dust actually blowing up into the room from an air purifier.
UPDATE: I purchased 2 Honeywell 50250 units, and was blown away by the quality of simplicity of design on the units. If only everything was made this well and this easy to use and work with! Filter change was a total breeze. The filters are pretty loud, which doesn't bother me, but it's something you should note if you want something quiet. However, I had some strange problems with the exhaust on both units, and am working with Honeywell right now. The problem seems to be an anomaly and not normal, so I don't want to mention it here as I think it's just a fluke. One thing I can say, is that Honeywell offers AWESOME customer service, and has been great to deal with on the phone. :D
I hope all this helps you with your purchase. I've been researching air purifiers for over a month and I know how confusing it can be!
Please note, that running an air purifier like the 4 discussed here at top speed 24/7 will add a whopping $40 to my monthly electric bill here in San Diego. Do your own research before planning to run your own brand choice full time. As I mentioned before, top speed is required to achieve the CADR ratings advertised.
Whirlpool 1183054K Hepa Filter, Large
Whirlpool 8171434K Large Air Purifier Carbon Pre-Filters, 4-Pack
Whirlpool® Whispure 315-CADR Air Purifier with True HEPA Filter, AP51030K
Whirlpool Whispure 450 Air Purifier (AP45030K) - HEPA Air Cleaner
Honeywell 50250 99.97% Pure HEPA Round Air Purifier
Honeywell 38002 Enviracare Universal Replacement Pre-Filter
Honeywell 24000 Replacement HEPA Filter
Hunter 30401 QuietFlo True-HEPA Programmable Air Purifier
Hunter 30402 QuietFlo 402 Air Purifier
Hope this helps!
I said this is a little pricey because it is simply a plastic box with 2 filters, a motor and a fan forcing air through. I don't know why air purifiers have to be so expensive. However, this seems to be a quality unit and fairly quiet considering it is moving large amounts of air.
This was purchased to help improve the air quality of our house in preparation for the return of our 6 year old grandson who is being treated in a hospital for Leukemia (Our old house is very dusty.). We don't want to take any chances with his health and hope this item will help prevent illness. I have found other units that sell for about double the price of this air purifier and hope this will be adequate. The more expensive units generally have UV lights to kill microorganisms, which this one does not have.
This air cleaner has a 1 year warranty on everything except the filters and a 5 year warranty on the motor, if the filters are changed when they are supposed to be. The carbon pre-filter is to be changed every 3 months and the HEPA filter is to be changed every 12 months, under normal use. The unit has indicator lights to tell you when to change the filters. I put a label on the back with the dates the filters were installed and when they are to be changed. According to the consumer magazine, the annual filter cost is $117.
The air cleaner has 4 fan speeds: Low, Medium, High and Turbo. On Low, the noise isn't bad at all. The consumer magazine rates the noise on low as very good. The magazine rates the noise on high as good. I have our unit turned on Turbo, and it is rather loud. It is moving quite a bit of air and the noise is to be expected, I suppose. Although I wrote down the dimensions of the unit, it seems larger than I expected it to be. I suppose it needs to be fairly large in order to move and filter as much air as it does. The large size probably keeps the noise level down. The fan seems to be a "squirrel cage" type fan.
The manual is available on-line as a PDF file. I would suggest that you look it up and read it before purchase. The manual has all kinds of warnings related to electrical service for the unit. It states that it must be connected to a 15 or 20 amp fused 3 prong grounded outlet. It states that the use of a time-delay fuse or time-delay circuit breaker is recommended. It states that no adapter or extension cord is to be used. This had me afraid that the unit used a great deal of power and I wondered if the electrical service in our old house could handle it. I don't know why the warnings are in the manual. A search of the Internet indicated that the unit uses no more than 115 watts of power (I don't know this for certain). I was able to connect this to one of the few grounded outlets in our old house and thus far have had no power problems.
It has a number of LEDs which could bother very sensitive people if used in a bedroom at night. My wife is one of those.
The unit has a sleep mode which turns the unit on low for 8 hours and then returns it to the previously selected setting. We may use this in reverse so that the unit (in our living room) is on low during the day and turbo at night.
With small children around, we may use the control lock function which locks the controls to prevent the unintended changing of the settings.
The air enters the air cleaner from the front and exits from the top. The unit has a carry handle of a sort built into the top. It weighs about 25 pounds.
The consumer magazine states that the annual energy cost is about $91, which comes to $7.58/month. This will, of course, vary from area to area.
To receive this before our grandson's homecoming, I paid $68.53 for next day delivery. I ordered it on a Sunday and received it on Tuesday. I hated to pay the extra shipping, but felt it was worth it to have it in place before his return.
This air cleaner has a "Quiet 30-Day Money-Back Guarantee". If one is not completely satisfied that this unit is quieter than one's previous high-efficiency air purifier, Master Brands HK Limited will take it back and refund the money, less shipping and finance charges. Note: While this is sold as a Whirlpool branded item, it is actually sold by Master Brands HK Limited. Whirlpool has licensed its name for use.
So far, I am happy with my purchase and hope it will serve my intended purpose.
Update - 09/29/2011:
I just changed the pre-filter and found it covered almost completely with dust. A photo of the pre-filter is posted. The pre-filter is removing a great deal of dust from the air. Since installing the air cleaner, the house has to be dusted much less.
When I removed the pre-filter, I noticed that the pre-filter doesn't seal very well at the bottom thus allowing dust and other debris to collect on the HEPA filter. It seals much better on the other 3 edges.