Superior Commercial HVAC Manufacturing for Your Industry’s Needs
Fan Filter Assembly - Behind the Scenes at AJ
Since 1924, AJ Manufacturing has specialized in made-to-order air outlets for critical environments. Sophisticated equipment, the latest technology, and expert engineers who overcome even the toughest jobsite challenges result in fast turnaround on your project. Each piece of your system is designed and built with a focus on quality, precision, and efficiency.AJ Manufacturing produces some of the world’s best commercial stainless steel HVAC products, specifically designed for sterile environments. Lean, just-in-time manufacturing produces custom and standard air distribution components made of 304 or 316 stainless steel and aluminum, for hospitals, laboratories, and commercial buildings.
Our proven HEPA filtration technology keeps the air you breathe free of airborne pathogens, delivering purified air to a room or removing contaminated air. Our manufacturing process for products like diffusers, ceiling systems, fan filter units, air extractors, plenums, transitions, and more, is absolutely critical in environments that should remain sanitary and clean, or in buildings where ventilation and air distribution are key.
There’s no room for error when it comes to clean and efficient air distribution; we work toward perfection throughout each step of our manufacturing process.
Learn MoreCritical Environment Lighting Solutions
Clean-air management systems pull double duty with built-in LED lights that can be customized to any color or temperature. Our operating room systems, fan filter units, and other critical commercial HVAC equipment support your highly-controlled processes while making the most of the ceiling space.
Modular, HEPA-filter-friendly, and compatible with the rest of your air distribution system, AJ Manufacturing lighting solutions are custom made in order to meet project specifications and carefully tested before leaving our facility.
Explore LightingHow it Works
The manufacture of commercial stainless steel HVAC products requires thoughtful design, unparalleled materials, and careful planning. Our process takes into account your building project timelines and delivers air distribution components that perform and look beyond your expectations.
1The customer requests an estimate for our air distribution products.
2AJ Manufacturing and its team of engineers develop the estimate.
3Once approved, our experts assemble your order using state-of-the-art technology.
4Your order is carefully prepared and protected for shipping.
5Your parts are shipped to you, anywhere in the U.S. and internationally.
Request More Information
AJ Manufacturing News & Announcements

Find Out What Your Facility Can Do to Improve Operations, Installation, and Indoor Air Quality A tour of any exhibitionRead More »

Enhance Your Healthcare Facility With Our Air Distribution Systems and Products Indoor Air Quality Matters More Than Ever Healthcare facilitiesRead More »

When Your Facility Has High Standards, Customization Is a Requirement You have expectations for your facility’s performance. Each partnership youRead More »