Heating and air conditioning filters are designed to remove suspended particles from the air that circulates through an HVAC system. These filters improve indoor air quality while keeping dirt and dust from accumulating inside an HVAC unit. A clean unit operates more efficiently, which prolongs the life of the unit while reducing operating costs. It is important that the correct type and size filter be used.
The most common type of air filter is the disposable fiberglass model that consists of interwoven layers supported by a wire frame. It is recommended that this inexpensive filter be changed once a month. Another popular throwaway model is the polyester or fiberglass pleated filter. The tightly woven layers and pleated design is more efficient at trapping particles due to the larger surface area. Electrostatic filters are designed to produce a charge as air passes through the material. The charge attracts and traps airborne particles on the surface of the filter, which can be washed when it becomes dirty. High-efficiency particulate arresting (HEPA) filters are the most efficient design. They are capable of trapping up to 99.97 percent of particles due to their randomly arranged pleated fibers.
Newer designs for heating and air conditioner filters include activated carbon and electronic filters. Activated carbon filters are designed to absorb odors and other impurities as well as trap dirt and dust. This filter works well in homes with pets. Another washable design, electronic filters use electricity to create the charge that attracts suspended particles.
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A clean air filter is integral to a properly functioning HVAC system, but knowing how to get the right one isn’t always easy. Not all filters or systems are created equal, so you can’t buy any filter, but you can check part numbers on the filter itself for the proper sizes.
Once you have the size you need, consider what you want out of a filter. Air filters can affect the quality of air in your home, including allergens and particulates, and they can even help remove certain odors like cigarette smoke. A 3M air filter, for instance, can help fend off dust and smog coming in from outside.
Next, consider the function that the air filter’s supposed to serve. Regular flat fiberglass filters are designed to trap particles in the air, but that’s all– these filters are chiefly designed to protect an HVAC system’s internals from dust and debris building up. You’ll want a filter with a relatively high minimum efficiency reporting value (MERV) rating, but filters with ratings over 14 are generally overkill for a regular home. Pleated filters tend to be the best choice if you need something for air quality, and carbon filters also help to trap and capture particulates. 3M Filtrete products have been recommended as a solution to allergy headaches, for instance, as they block the particles that cause the buildup of pressure.
Indoor air is generally far more polluted than outdoor air, but good air filters can help. By ordering the right type of filters for your HVAC system, you can maintain the best possible air quality for yourself and your family.
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Written by: Your Filter Connection
Changing your own air filter is easy to do and it increases the longevity of your HVAC system.
The tell-tale hum of the HVAC unit is one of the first signs that your AC system isn’t working as it should be. One of the first areas to investigate this issue is your home air filter. If the filter is blocked, or clogged, harmful allergens may also spread throughout the home as well. The following will reveal how to do this yourself and save valuable time and money.
To change it, one has to locate your residential air filter. You will need to extract the filter, to check its size and replace it. If you have a wall unit, remove the filter guard and lift the filter out from the inside of your home. HVAC units tend to have the filter in a closet, where you can unscrew a panel to slide the filter in and out of its slot. Look for identifying numbers that will give the exact replacement part for your air conditioner.
Now call your local store and ask for a quality replacement like a Filtrete brand filter. Procure this and then insert back into the unit. Gentle force might be required but do not shove the filter back into place. Fasten or screw the part to reassemble it. Turn on the unit and make sure that air flow through the filter is unimpeded. Note the date that you replaced the filter, and be sure that you check it again within three months of that date. Place the covers back on and kick back to enjoy your restored level of cool air on a hot day.
Written by: Your Filter Connection
The air filter is one of the most important parts of your HVAC system, so you should replace it regularly.
HVAC systems use air filters to increase longevity and efficiency of your heating and cooling system by protecting it from dust, dirt and other airborne particles. Whether heating or cooling your home, most HVAC systems work by circulating air through a series of ducts throughout the interior of a building. All air passes through the central unit where the air conditioner filter is located.
As air circulates through the central unit, it passes through the air filter, which provides a physical barrier between air intake and the moving parts of your HVAC system. In addition to protecting the working parts of your heating and air conditioning system, some replacement furnace filters are also designed to improve the quality of interior air.
Building air can be more polluted than outside air as it is composed of human skin particles, microscopic insect droppings, pet dander, pollen, fabric particles and a wide variety of allergens and pollutants. It is important to keep your HVAC system running properly and maintain indoor air health by regularly replacing the air filter with a 3M Filtrete air filter.
Several types of filters are available for contemporary HVAC systems, each trapping particles in a slightly different manner. Electrostatic filters rely on static electricity to attract and trap particles. Fiberglass panel filters trap only very large particles and need to be replaced frequently. Pleated air filters work by trapping particles on the surface instead of on the inside, while HEPA filters are a supercharged version of pleated ones.