Friedrich C-90B Air Cleaner
by Friedrich
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Product Details
Manufacturer: FriedrichBrand: Friedrich
Edition: Kitchen
Model: C-90B
Publisher: Friedrich
Studio: Friedrich
Music Label: Friedrich
Product features:
- Power Requirements: 120 volts AC
- Power Consumption: 90 watts, 0.80 amps
- Fan Speed: 220 cfm, 280 cfm, 390 cfm
- Dust CADR: 384
- Tobacco Smoke CADR: 326
Description of Friedrich C-90B Air Cleaner
Friedrich's C-90B electronic air purifier uses the same technology generally used in whole-house and commercial installations. This Friedrich Air Purifier is ideal for allergy sufferers because it is very effective in removing pollen, dust, mold spores, and other particulates from the airflow that trigger allergy symptoms. This filterless unit supports a thin carbon mat to absorb odors. This electronic unit works with two sets of plates. One set of plates charges the airflow and another collects any particles that were charged by the first set. This makes it a true electrostatic system. Since there is relatively little constriction of the airflow, the units tend to be quiet, producing only a quality white noise due to the operation of the fan.Tools and Hardware Reviews of Friedrich C-90B Air Cleaner
Customer Review: Rated Highest by Consumer Reports!
Summary: 5 Stars
My wife and I bought two of these 18 months ago. They both run 24/7 with the exception of several hours down-time to clean the ionizer and pre-filter (hose-off - they're too big to fit but one inoizer in the dishwasher). One sits in our bedroom, and the other on our perpetually wet and moldy enclosed patio, just outside the cat door.
It is incredible the amount of matter (blue-lint, cat hair, dun-colored mold spores) collected in the pre-filter, alone. Running as often as these do, the one on the patio needs to be cleaned every two-four weeks, while the bedroom fouls in eight days. When the prefilter fouls, it bulgestowards the ionizer and eventually pulls out of its framing.
This filter gives me, a chronic allergy sufferer, and oasis of fresh air in the room where it operates. I would rate its cleaning ability as absolutley the best I've had in 20 years of trying to find an adequate machine.
Against the Honeywells we had, this uses relatively little power. And, despite what the other reviewer stated about the carbon filter, ours still work after 18 months!
The drawbacks I've found are minor, but I'll provide them here just as an FYI.
Cleaning is not fun. Yes, one just has to pull out the prefilter and ionizer, hose them down, and let them dry. However, one MUST EXERCISE CAUTION. First, the "blades" of the ionizer are VERY SHARP, particularly on the more numerous side, and I've suffered a score of deep, paper-cut like wounds on the tip of a finger or two. Second, the ionizer is VERY FRAGILE (aluminum alloy?) and *VERY* expensive. In cleaning, I dropped one from the height of maybe 12 inches. It landed on a corner and through the ionizer out of alignment. It cost $160 to replace.
Noise is an issue. Even on low speed, the fan/airflow is audible, though regular (Hey! it's the fan that gets the circulation going and gave this the clear advantage over the Shaper Image machine that CR actively recommends against, even in the face of a (succesfully defeated) lawsuit by SI!). When a portable radiator heater we have comes on, the drain in power tends to make the fan hum. I can ingore it, but it bothers my wife, if she's awake. Honestly, by putting the radiator a safe distance ahead of the cleaner, it augments the heater by circulating the heated air. Minor rattles can occur, too, so I keep a beach towel on top of the (large, 2-cubic foot?) unit, and several weighty books. This seems to have done the trick for more than a year.
Overall, I still say this is the best one can get, and I wouldn't hesitate to buy another.
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