Are You Really Using the Best Air Filter for Your Home?

Air filters are essential components to your home’s heating and cooling system. They slow the buildup of dirt on coils and heat exchanges, which may lead your system to work harder. Choosing the best air filters for your HVAC system is a super important step in keeping both your unit and family healthy.

Most HVAC technicians will recommend that you change your air filter at least once every three months for cleaner air and a more efficient system.

Know Dimensions, Style, and Material

It is imperative to know the size of the air filter needed for your specific system. Write down the dimensions, including the thickness and its MERV rating recommendation (see below), before you leave the store to ensure that you are purchasing exactly what you need.

If you find that a material and style are not recommended by the manufacturer, research the different types and decide which might fit your situation. Having pets, frequently open windows, or smokers that live in the home can influence which type of air filter is right for you.

Check MERV Ratings

MERV stands for minimum efficiency reporting value. This essentially tells the consumer how small the particulates are that the filter will allow through it. A higher rating means that its filter will block smaller pieces of airborne debris.

It seems counter intuitive, but a higher MERV rating may not be what’s best for your system. A higher rating also means that the pores in the air filter are smaller, which can put a strain on some systems, causing them to wear down through time. Always follow your system’s recommendations for MERV ratings when purchasing filters.

Keep Your Family Healthier

Clean air filters are so invaluable when it comes to the wellbeing of your family. They trap pollen, pet dander, dust, smoke, mold spores, bacteria, and many other airborne contaminates that can cause health issues. Using the highest MERV rating acceptable for your system will allow your home to have the cleanest air possible.


For more expert advice about choosing the right air filter for your system, contact Airtron San Antonio today.


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