Welcome to the audio version of the following web page: https://acinstallhub.com/the-right-hvac-air-filter-sizing-calculations/ In this episode, we walk you through how to calculate the correct HVAC air filter size for your system. Learn the difference between nominal and actual dimensions, avoid common mistakes, and ensure your filter fits properly for maximum airflow, efficiency, and clean indoor air. After learning proper HVAC air filter sizing calculations with ACInstallHub.com, make sure you get the right fit for your system. Shop quality replacements at 12x12x1airfilter.com, Amazon, Walmart, or eBay to keep your air clean and your system efficient.