Air filters play a big part in the how efficiently your HVAC system will work. To change the temperature in your home, your heating and cooling system sucks in air from a room, pulls it over coils to heat or cool it, then blows the tempered air through ducts to the other rooms in your home. The air filter is positioned at the point where air is pulled into the system. It works to trap air borne particulates that get sucked in with the air and keeps it from blocking the blower and clogging up the coils. Clogged filters can’t heat or cool the air passing over them and can damage the system. Air filters also keep dust from building up in the air ducts or being blown into the rooms of you home. When you shop for air filters you will have to look at the cost, the purpose and the functionality.

Common Types of HVAC Air Filters for Your Home

1. Fiberglass air filters. Fiberglass filters are the most common filters, probably because they are the least expensive. These filters need to be changed once a month during peak times like the hot, summer month and the cold winter months. It is very important to change these filters regularly to maintain an efficient system.
2. Pleated air filters. Pleated filters are also common and relatively inexpensive. These filters have ridges built into them that increase their surface area. These filters can collect more air borne particulate that fiberglass filters. More surface area means that these filters will also last longer, but also need to be changed regularly.
3. HEPA air filters. Also known as High-Efficiency Particulate Air filters, these filters are designed to capture many more particulates and are better for homes with allergy sufferers. HEPA filters can capture 99.97% of air borne particulates that are as small as .3 micrometers. You will have to make sure your filter box is big enough for HEPA filters because they are larger. If not, you will need professionals to retrofit a traditional filter system.
4. Electronic filtration systems. These systems can either be stand-alone units or integral to the furnace, filter box or duct system. These systems are great at reducing the dust in your home. You will get the most out of these systems when installed as an integral part of your HVAC system.
5. Charcoal air filters. Charcoal filters are great at picking up odors, organic materials and household smells. These smells can include gas, cigarette smoke, animal and garbage odors. These filters are not as efficient as other filters, but you will be able to minimize the use of unnatural sprays to camouflage odors.

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Air filter maintenance keeps your home clean and comfortable. Changing your HVAC filters regularly will keep your home comfortable, and avoid respiratory difficulties, allergies and illness that can come from the circulation of bad air in your home. Filter maintenance also keeps your heating and cooling system working efficiently and effectively. If you need any help with your HVAC system, feel free to contact Air Supply Heating & Air Conditioning.