What a Residential Air Filter Removes

July 29 2014
Tagged in Home Air Filters
Written by: Your Filter Connection Your air filter is one of the most important, and easy to replace, components in your HVAC system. Filtrete makes air filters for the home, but not everyone really understands what these filters do and why they are important. These filters help to increase the air quality in your home, and are part of a healthy and efficient HVAC system. Filters can block both particulates and gasses, so they are especially important for those with allergens or breathing problems. Air Particulates A residential air filter uses special materials that cause particulates to cling to the fabric. The most common form is electrostatic attraction, where the particles are charged through air ionization. Ionizers also do something similar, releasing ions into the air to attach to airborne particles. This causes the particles to cling to surfaces like walls and carpets. The same principles apply to air filtration systems in HVAC units. Of course, these filters can sometimes operate too efficiently. If the filter is too dense, it may cause your HVAC unit to operate over its efficient limits. This is bad long-term as it reduces the lifespan of your system. Gas Particles A home air filter can also contain a material known as “sorbent,” like carbon. These sorbents absorb gaseous particles in the air, and help to protect you from some of those harmful chemicals. A filter containing sorbents is not a substitute for a carbon dioxide monitor, but it can cut down on the smells in your home. Final Thoughts Air filters are easy to replace, and very inexpensive. If you want your air conditioner to last its lifetime, and possibly beyond, check these devices frequently to make sure the filter isn’t clogged.

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