A Look at Electronic Air Filters

Many people mistakenly assume that an air conditioning only controls the temperature of a living space. Air conditioning also involves the cleanliness of the air. Filtration is an excellent way to accomplish air cleaning and provide enhanced levels of comfort to a building's occupants. Continuous exposure to unfiltered air results in asthma, allergies, and breathing problems. Generally, air-conditioning systems include electronic air filters, which use electrical charges to attract and deposit 95% of household allergens and irritants to the human body. An electronic air cleaner is installed between the furnace and the air ducts to improve indoor air filtration throughout the home.

The air inside the home circulates through the cooling system, carrying millions of airborne particles with it. When this air is drawn into the system or device, a pre-filter in the electronic filter traps the majority of the allergens and irritants. Those particles that do pass through the pre-filter receive an electric charge inside the filter. Collector plates of the filter attract these particles and hold them until the cells are cleaned. Electronic air cleaners offer the optimum balance between air filtration and system pressure drop (air restriction).

There are two main types of electronic filters, namely electrostatic precipitators and charged media filters. In electrostatic precipitators, particles are collected on a series of charged plates, whereas in charged media filter devices, the particles are collected on the charged fibers of the filter. The most efficient filters are electrostatic precipitator, because in most of the electrostatic precipitators, the particles are deliberately ionized (charged) before the collection process, resulting in higher collection efficiency. These precipitators generate approximately 20,000 volts to give dust particles a static electric charge.

In order to determine the efficiency of an electronic air filter, there are two tests: the weight-arrestance test and the atmospheric dust-spot test. In the weight-arrestance test, the efficiency is tested on the basis of the weight of the dirt removed by the filter. However, this method will not give any idea as to the removal of smaller dirt particulate, which can be easily inhaled by lungs. The atmospheric dust-spot test determines a filter's ability to capture particles between 0.3 and 6 microns. Whatever test is used and whatever may be the type used, the electronic filter must be cleaned at least once in a month to improve the indoor air quality.

Air Filters Info provides detailed information on home, car, electronic, and HEPA air filters, as well as air conditioner filters and air filter manufacturers. Air Filters Info is the sister site of Air Purifiers Web.

The National

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Christina's on Magee offers upholstery, home interior services Danbury News Times Christina Spano Manowitz poses for a photo at her upholstery and custom interior decorating business, Christina's on Magee, on Wednesday, February 1, 2012. Photo: Lindsay Niegelberg / Stamford Advocate | Buy This Photo Christina Spano Manowitz poses ... and more »

Pasty and present New Times SLO BY MAEVA CONSIDINE For two science brains, Gwynne Stump and her husband Kurt have a major flare for interior decorating. “Kurt designed all of that and built it from the ground up,” Stump said, pointing to the impressive mantel behind the bar.

Stanley E. Adams Aledo Times Record He attended Stadium and Lincoln High Schools in Tacoma, Wash. and later attended trade school where he took photography and interior decorating. He married Helene Loving. Stanley was employed a as grain trucker in Berwick, and moved to Aledo in 1955 ...

Talking Business: Carpet One closes Longview shop Longview Daily News Columbia River Carpet One Floor and Home shut down its Longview interior decorating store last month and consolidated its merchandise and services at its original Rainier location. "The economy won't support two of them. The builders aren't building ...

Business Insider

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The Epoch Times

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Keeping balance Milwaukee Journal Sentinel Its guidance carries over into interior decorating. Balancing energy flows in a house creates a calm, warm environment that feels like “home,” said Christine Knitter of Harmony by Design, Wauwatosa. Colors are always important.