How to Choose the Perfect Air Conditioner Filter for Your Unit

When it comes to selecting the right size air conditioner filter for your unit, it's essential to measure the height and width of the duct opening and allow a little overlap if you have space. This will be the exact size you'll need to order for your new air filter. The filters are labeled with dimensions in three parts: length, width, and depth or thickness. You must round to the nearest whole number to determine the nominal size of the air filter. Most home improvement stores sell air conditioning filters ranging from MERV 1 to MERV 13, although some models can be up to MERV 16.

When HVAC filters become dirty and clogged with debris, air can't flow freely through the ducts, making your home less comfortable and, over time, can damage your air conditioning equipment. But they are usually only filters with a rating of at least MERV 11, the classification in which the filters begin to trap most of the particles that are the size of common allergens. An easy way to choose a replacement filter is to simply buy the same filter that you already use in your system. However, if you want to switch up your filter, you should start by limiting yourself to the depth of your air filter. Placing a large filter where it doesn't belong can damage the air conditioning system and not clean the air properly. Once you've determined the exact dimensions that best suit your needs, ask for the size of the filter with the exact fraction or decimal of your preferred measurements.

In the case of air filters, the length and width dimensions are interchangeable, although usually the largest measurement is the width and the shortest is the length. HVAC service companies often offer air filter replacement services in addition to system repair and unit installation services. We recommend that you start your search for replacement air filters by limiting yourself to the depth of your air filter. Replacing the HVAC filter is just one part of the routine maintenance you should perform on your system. When shopping for an air conditioner filter, it's important to consider its MERV rating. The higher this rating is, the more efficient it will be at trapping particles like dust mites, pollen, mold spores, pet dander, and other allergens.

It's also important to make sure that you get a filter that fits properly in your unit. If it's too small or too large, it won't work as effectively as it should. Finally, remember that regular maintenance is key when it comes to keeping your HVAC system running smoothly. Make sure you replace your air conditioner filter every three months or as recommended by your manufacturer.

Chelsey Barkdull
Chelsey Barkdull

Typical music lover. Hardcore twitter specialist. Passionate music scholar. General baconaholic. . Friendly music practitioner.

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