Using an incorrectly sized air filter won't necessarily damage your air conditioning system, but it can have an impact on its efficiency. If the filter is too small, dirt particles, such as dust, mold, and other air pollutants, could slip through the openings and recirculate in your home, leading to poor air quality and potential health problems. The actual size of the air filter should be 0.25 to 0.5 cm smaller than the slot or frame itself. 4- to 5-inch filters are usually better at providing a perfect fit that prevents dirty air from passing through.
Most people won't find the size of air filter they need at the local home improvement store, so it's important to know how to determine the correct size. The answer to “What size air filter do I need?” is essential for proper air conditioning system operation. To determine the nominal size of the air filter, you must round up to the nearest whole number. Colorfil filters, originally created for NASA, help eliminate chemicals and odors at a molecular level that normal air filters cannot remove. If the air filter frame doesn't have the sizes listed or looks wrong, you can always measure the air filter yourself. When buying an air filter, it's important to note that the air filtration industry standard is to make the filters measure slightly larger than their groove or frame, so that they can easily slide into place without bending or breaking.
Installing several filters on top of each other can damage the air conditioning system, since they are not designed to withstand the level of air flow obstruction. Most big retailers, such as Walmart, Target, and Home Depot, sell air filters, though with a different variety of options and brands to choose from. Regular maintenance is also essential for the air conditioning system to work efficiently and maintain good indoor air quality. In conclusion, using an incorrectly sized air filter won't necessarily damage your air conditioning system right away but it can reduce its efficiency and lead to poor indoor air quality. To ensure proper operation of your system and good indoor air quality, it's important to determine what size air filter you need and buy one that fits correctly.
