How to Choose the Right Air Conditioning Filter

Indoor air quality is an important factor to residents of Mount Vernon TX because it affects their health and home efficiency. Home heating and cooling systems feature air conditioning filters that purify the air and keep the unit running effectively. If your system is new or you have just moved into a new home, you may have questions about the filter. There are different types of AC filters and other factors to consider when choosing the right one for your home.

Why Replace Filters?

Filters are integral to your heating and cooling system because they protect the unit while improving its efficiency and purifying the circulated air. By trapping impurities, such as dust, allergens and smoke, filters keep the internal coils clean. This protection helps maintain an efficient AC system, which requires less energy to run. Filters clean the air going into the system as well as the air coming into your home.

In order to maintain high efficiency and cleaner air, filters need to be replaced regularly. You can find your filter located in the wall, ceiling or AC unit. HVAC professionals recommend choosing AC filters for their abilities to purify and protect the central system.

Types of AC Filters

The first thing to consider is the type of filter you want. There are three main categories as described below.

  • Flat Panel Filters – This type is a standard filter that features fiberglass or polyester mesh. Cardboard frames surround the filter, and the material is a flat sheet. These sheets are economical and remove about 10% of airborne particles. Replacements are needed once per month.
  • Extended Surface Filters – These filters feature all synthetic materials or cotton-polyester blends. The material is folded into pleats, which improve filtration because of the additional surface area for trapping particles. This type removes between 35% and 40% of airborne pollutants. Extended surface filters last two to four months.
  • Electrostatic Filters – The media in this filter uses electrostatic, which attracts allergens and other loose particles. The charge is created when air moves through the layers of material. This type is the most expensive, but it lasts approximately one year.

Choosing the Right Filter

Size is one of the most important factors when selecting a filter. If it is too large, it will not fit in the system, and a filter too small will leave gaps where particles can get through. The size is printed on the side of the filter, but you can measure the opening in your system if you are unsure. Take the length, width and depth to determine the appropriate size, and round up to the nearest inch.

You may also want to consider the MERV rating on your filters. This acronym stands for Minimum Efficiency Reporting Value. For residential systems, you want to look for a rating between 7 and 13 for optimal efficiency. If you have any other questions about filters or air purification, you can count on Wood Air Conditioning to help. Knowledgeable technicians offer services and products to help you maintain a comfortable and clean environment in your home.