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www.reference.com/article/air-conditioners-need-filters-d050e0418def4294

Air conditioners need filters to clean debris, such as dust and dirt, from the air. Without a filter, dust and dirt can travel directly to the air conditioner's evaporator coil and cause damage to the system.

www.reference.com/article/self-cleaning-car-air-filter-e63c2f92c61364e6

Self-cleaning air filters for cars would not require the air filter to be removed from under the hood of the car, but there are no self-cleaning car air filters for most family-sized vehicles as of 2015. Self-cleaning air filters are used for industrial applications and large automobiles with diesel

www.reference.com/article/tools-needed-change-car-s-air-filter-a207259eac8082c7

The tools needed to change a car’s air filter include a set of screwdrivers, an adjustable wrench, pliers and the replacement air filter. Additional tools needed for safety are protective glasses, gloves, clean rags and a flashlight.

www.reference.com/article/air-filter-located-air-conditioner-c5f3032864b4d7e6

An air filter is located above the evaporator coil in an air conditioner, typically in a special slot within the duct system or inside the return grille. The air filter is made of paper and is either folded fuzzy-looking.

www.reference.com/article/should-replace-furnace-air-filter-large-home-6443878a9a020093

Furnace air filters in a large home should be replaced about every three months. Individuals with larger homes may need to replace filters less often because the air has more room to circulate, thus reducing the amount of lint and dust that attaches to furnace air filters.

www.reference.com/article/cabin-air-filter-eef65e5549ee0919

The cabin air filter removes airborne contaminants before they enter the car's interior through the heating and cooling system. The filter keeps the cabin clean, makes the ride more pleasant and reduces allergy problems.

www.reference.com/article/should-clean-filter-air-conditioner-81e52c82786e732f

Most filters on an air conditioner should be cleaned or changed once every three to nine months. The frequency may depend on the recommendations in the owner's manual for the specific unit and on the amount of allergens or dust in the geographic area.

www.reference.com/article/k-n-air-filter-69620b8481a9d7d4

A K&N air filter is an air filter manufactured by K&N Engineering. K&N manufactures a wide variety of air filters that are typically designed to provide high airflow and improved dirt protection for improved engine performance.

www.reference.com/article/change-cabin-air-filter-6930cf120f9331be

To replace a vehicle's cabin air filter, first determine if the vehicle comes equipped with an air filter. The vehicle owner's manual is the best way to find that information as well as where the filter is located. Once the air filter is removed, clean out the filter housing, and install a new air f

www.reference.com/article/change-filter-wall-air-conditioner-6aa5e6232bb422be

To change the filter on an in-wall air conditioner, a person needs to locate the air filter, take it out of the unit, and place a replacement in the unit. It is important to identify the filter type and size before purchasing a new filter.