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Air Cleaners & Filters

There are many types and sizes of air cleaners on the market, ranging from relatively inexpensive table-top models to sophisticated whole-house systems. Some air cleaners are highly effective at particle removal, while others, including most table-top models, are much less so. The effectiveness of an air cleaner depends on how well it collects pollutants from indoor air (expressed as a percentage efficiency rate) and how much air it draws through the cleaning or filtering element (expressed in cubic feet per minute). A very efficient collector with a low air-circulation rate will not be effective, nor will a cleaner with a high air-circulation rate but a less efficient collector. The long- term performance of any air cleaner depends on maintaining it according to the manufacturer’s directions.

How to choose an air cleaner – Many products claim to effectively clean your indoor air, but which ones really work? Comparing the clean air delivery rate (CADR) is a great place to start. This standard has been recognized by the Federal Trade Commission (FTC) and the Environmental Protection Agency (EPA) as a fair and objective comparison of various air cleaning technologies.

The clean air delivery rate is the volume of clean air a system will deliver into your home. Two factors affect this rating—the efficiency of the filter material and the amount of air that passes through the device. The more effective the air cleaning system, the higher the clean air delivery rate. When comparing air cleaners of any kind, ask your dealer or retailer for the clean air delivery rate for that type of air cleaner.

Installing a whole-house air cleaner, such as the Accuclean air cleaner from American Standard or the Media Air Cleaner from April AIre, which removes airborne, health-damaging particles and allergens too tiny for your nose and mouth to filter naturally may be the perfect solution for your home.

Call Leitch Heating and Air Conditioning for additional information at 410-535-2234


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