Not Just Any Air Filter Will Do — Tips for Making the Right Choice

The type of air filter used in your HVAC system can make a big difference in the air quality in your home. Here are some information and tips on making the right choice.

Not Just Any Air Filter Will Do -- Tips for Making the Right ChoiceThe Basics

Furnace filters keep your system’s heat exchanger and coils clean. Your system will have to work harder if the heat exchanger and coils are dirty. Keeping your system’s air filter clean will extend the life of your HVAC system.

Your system’s filter is responsible for keeping dust and debris out of your furnace, and if it is of good enough quality, it can also clean the air that you and your family breathe. What is affecting your air quality will vary based on how many people live in your home and what number and type of pets you have. Keeping your home’s air filter clean is especially important for people with asthma and allergies.

What to Look For

Size: Choose a filter that is the same size as the one already in your furnace. Make sure you write down the dimensions before you go to the store.

Shape: If you have a non-standard ventilation opening, you can use an adjustable filter. You might also need to special order your filter.

Style: There are many different styles and construction materials to choose from when purchasing an air filter. The size and density of the material can greatly affect performance. Because of their greater surface area, pleated filters are more efficient than flat filters.


Furnace filters are labeled with a MERV (Minimum Efficiency Reporting Value), and this number tells you the filter’s ability to trap particles. Most residential filters have a MERV rating from one to 12. A more efficient filter will have a higher rating.

For more information on air filters in the Texas Panhandle area, contact Amarillo Air Conditioning.

Our goal is to help educate our customers in Amarillo, Texas about energy and home comfort issues (specific to HVAC systems). For more information about air filters and other HVAC topics, download our free Home Comfort Resource guide.

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