Air Filters

Air filters clean the air that circulates through a heating and air system to create a more comfortable breathing environment within the home and office. Made from spun fiberglass or pleated paper and cloth, filters trap impurities and contaminants that damage an HVAC system and those that can cause discomfort for those with allergies, including pollen, dust, pet dander, hair, and bacteria. Staples® carries a large selection of filters, air purifiers, and appliances.

Understanding Energy Ratings of Air Filters
Filters carry MERV ratings or filter efficiency ratings. The higher the rating, the better the filter cleans the air. MERV rating varies from one to 16. Filters with a rating of one to four are the most common filters found. They have inexpensive cardboard frames and offer basic filtration. Popular residential filters typically have a rating between six and eight. Woven cloth and paper in these filters help trap most household impurities. Mid-range filters have a rating between 9 and 12. These filter trap one micron particles in the air for better filtration. The highest grade HVAC filters have a rating from 13 to 16. They remove particles as small as 0.3 microns. Filtration systems are available for filters with ratings above 17.

Other Options for Air Filters
Recycled air filters come in an array of types and styles. Carbon filters remove odors and capture large air particles. Some may also reduce the likelihood of bacteria growth, fungi, and dust mites. HEPA filters, or high-efficiency particulate air filters work by filtering particles through a fine mesh. Most air purifiers use HEPA filters. These filters capture close to 99.97 percent of negative airborne particles, which is ideal for allergy sufferers. Disposable filters offer quick cleanup times, are easy to change, and are inexpensive to use. Reusable filters cost more but last several years under proper maintenance.

What’s the Optimal Way to Clean Air Filters?
Most home filters need replacing every few months to ensure the HVAC system continues to work efficiently. Hold the filter up to the light and replace it if no light shines through. Wash a reusable filter by removing it from the unit and brushing away excess dirt and debris. Place the filter under a hose or other running water to remove smaller particles. Dry the filter with paper towels or let it air dry.

Can You Purchase Air Filters in Bulk?
Purchase air filters by the piece or in packs of four or more depending on the need. Large packs are ideal for offices or manufacturing areas, while single packs ensure you purchase only what you need at the time.

How Long Do Air Filters Last?
Check the air filter every three months to see if it is time for a change. In some situations, users may need to change the filter more frequently, including homes with pets, areas with smokers, filters with high MERV ratings, and in drafty or older homes. When the unit runs more in extreme cold or hot weather, it’s a good idea to check the filter more often and change it as needed. Trending Links:
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