Air Filter Engineers Information

Air Filter Engineers (AFE) is based in the Chicago, IL area, serving the Midwest for over since the 1950s. 72 years ago, Air Filter Engineers (AFE) was founded by Chicago Chief Engineers passionate about solving filtration challenges that lacked clear direction. They weren’t just selling filters—they were reshaping how building engineers thought about air quality through education. Whether explaining MERV ratings or designing specialized HEPA solutions, AFE made filtration a priority in Chicago’s commercial, industrial and healthcare spaces. Our mission is to partner with our customers to solve filtration challenges in as many industries as possible. Together with Rensa Filtration, we bring high-performance products, engineering expertise, energy-conscious solutions, and top-notch customer support to every project. Whether it’s hospitals, data centers, commercial buildings, or schools, AFE ensures HVAC systems deliver optimal Indoor Environmental Quality for the air we breathe. With Rensa's cutting-edge technology and innovation, we're re-shaping the future of global filtration.