Clean Air. Clear Precision. Over Five Decades of Air Purification Excellence.

Air Quality Engineering (AQE) is an industry-leading pillar in commercial and industrial air filtration, bringing over 50 years of specialized engineering rigor to some of the most demanding environments in the built world—from commercial kitchens and machine shops to welding facilities and manufacturing plants. Headquartered in Minneapolis, Minnesota, AQE designs and manufactures state-of-the-art air purification systems capable of removing smoke, oil mist, dust, fumes, and airborne contaminants with unparalleled efficiency. AQE pairs decades of field experience with purpose-built filtration solutions like Smokemaster®, Mist-Buster®, and AUTOCLEAN®, backed by high-efficiency electrostatic precipitators (ESP) and media filtration technologies capable of handling heavy industrial workflows. Whether you are protecting a precision CNC machining center, a high-volume commercial kitchen, or a critical industrial manufacturing space, CES is proud to represent AQE across the region, with the technical expertise to help you select, specify, and support the right air quality solution for every project.