Friedrich Makes Quiet And Easily Maintained Air Purifiers

The Friedrich C-90A air purifier has got to be one of the easiest to operate and least expensive to maintain amongst the many air purifiers available in the current market. At an estimated $500, these Friedrich air purifiers utilize several pre-filters to trap airborne allergens from the air, an electrostatic ionizer to charge remaining particles and collection plates to collect these charged particles. Its purification system also includes a carbon filter to remove fumes or common odors before the final result, cleaner and more purified air is circulated back into the room. The Friedrich C-90A has received many reviews which includes high recommendations from users as the most effective allergen-removing air purifier.

For users who know about the hassles of maintaining air purifiers this feature of the Friedrich C-90A will come as a wonderful surprise: its filter cells are washable and re-usable. This reduces the need and cost to replace HEPA filters annually, making it the only air purifier manufacturers with this smart feature. The pre-filters can be conveniently placed in the dishwasher for a wash or washed by hand with normal washing liquid and water, preferably on a monthly or weekly basis to maintain its high levels of filtration. Only the carbon filters need replacing once every three months to maintain odor eliminating power.

At low speeds it is one of the quietest air purifiers around, although there are regular zapping sounds (due to the arcing phenomenon, much like lightning in thunderstorms) from its electrostatic filters when it is close to cleaning time and this noise maybe found irritable by most. This air purifier is recommended for rooms smaller than 450 sq ft for optimum cleaning although it can clean a room as large as 600 sq ft due to its high CADR as received from independent AHAM laboratory tests. It also scores well in energy efficiency, estimated to cost only about $ 50 - $ 60 a year to run.