Products Built from Mainstream Innovation
Mainstream Engineering develops and manufactures products that bring advanced technology into practical use. From government and military systems to commercial brands, industrial solutions, training resources, and specialty products, our product portfolio reflects decades of research, engineering, and hands-on manufacturing experience.
The products below represent Mainstream’s work across multiple markets, including government and military applications, HVAC/R tools and training, boating safety, thermal management, power systems, energy, and industrial technologies.
Explore our product areas to learn more about the solutions, brands, and technologies developed by Mainstream Engineering.
Ruggedized Environmental Control Unit (RECU)
Mainstream’s 5-tonR RECU is the latest in ultra-efficient, military-ready, ducted, unitary, heat pump systems. It provides heating, ventilation, and air conditioning to USAF BEAR Base...
Improved Environmental Control Unit (IECU)
Mainstream’s modular Improved Environmental Control Units (IECUs) provide heating and cooling to troop shelters, containers, vehicles, and communications enclosures in ambient temperatures as high as...