Home air filters remove unwanted particles like dust, pollen, pet dander and mold and ensure even the most allergy prone can breathe easily year–round. However, choosing the right filter for your home can be a rather involved process. To help, here are the most common indoor air filters and what each of them provides.
Throwaway Air Filters
Low cost throwaway filters are the simplest air filtration solution you can purchase and while they are easy to use and simple to maintain, they are also not as effective at keeping your home free of contaminants smaller than dust and pollen. It is important that you constantly monitor the buildup of debris on these filters as well because it can easily be recycled into the air supply.
Permanent Air Filters
Permanent air filters are designed to offer much the same quality of filtration as pleated or throwaway filters but without the need to replace them. Instead, they can be removed and washed or vacuumed on a regular basis to clean the dirt and debris captured away from the filter media. The type of filter you choose will depend on the size and capacity of your air handler, but there are many permanent options available.
Efficient Systems manufactures and sells Permanent Electrostatic Air Cleaners that filter and clean many times better than conventional throwaway filters, are permanent, and have lifetime warranties.
If you purchase one of our filters, you will:
- never have to buy another air filter. Save on costs for throwaway filters forever.
- reduce the amount of dust and dirt travelling through your heating and cooling system which will keep your indoor coil cleaner and therefore maintain equipment efficiency and cooling potential.
- reduce the amount of indoor dust and pollutants that cause allergic reactions and symptoms.
- impede the growth of mold, fungus and odor–causing bacteria which might reduce allergy and asthma medications and doctor bills.
- reduce the dust that stains and discolors walls and furniture.
- easy to clean, no oil spray necessary.
Pleated Air Filters
While Throwaway filters have an efficiency rating of only 8%, the average pleated filter has an efficiency rating of 25–30% and some are even as high as 50% – allowing you to capture significantly more debris that passes through your comfort system’s air supply. The pleated shape of these filters increases the overall surface area and therefore ensures higher capacity filtration for most large particles. Better yet, they only need to be changed roughly once every 3–4 months instead of on a nearly monthly basis.
High MERV Air Filters
Traditional filters are rated by a MERV or Minimum Efficiency Reporting Value. This number refers to the percentage of dust the filter can capture and how small the particles are that it removes from air supply. Higher rated MERV filters are typically used in hospitals, laboratories and factories that need absolutely clean air. For example, the highest rated 20 MERV filter will capture 99.999% of all .10–.20 ppm particles, effectively removing all of the contaminants from a building.
One thing to keep in mind with highly rated MERV filters is that they must be replaced frequently to maintain that high level of efficiency. Without being replaced regularly, they quickly clog and lose their effectiveness.
HEPA Air Filters
HEPA or High Efficiency Particulate Air filters are the most efficient type of residential filter on the market. They are designed to capture 99.97% of all particulates of 0.3 microns or smaller. This level of efficiency is equivalent to the top rating on the MERV scale of 20.
HEPA filters are effective because they not only exceed most MERV ratings, but because they generally don’t need to be replaced as often as other high MERV mechanical filters.
PureAir IAQ System
Though manufactured for home use, PureAir Indoor Air Quality systems are commercial grade and outfitted with the newest range of HEPA filters, even in the entry level HPS 350 model. For larger homes or more intense filtration needs, we also carry the HPS 500 and 600HS series as well as the 1200 and 2000 HS Plus series.