Government & Military Products

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.

Mainstream develops rugged, mission-focused products for military end users and system integrators. Product areas include refrigeration units and containers, environmental control units, power converters, engines, and thermal management systems.

Ruggedized Environmental Control Unit (RECU)

Government & Military
Environmental Control Units
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...
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Improved Environmental Control Unit (IECU)

Government & Military
Environmental Control Units
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...
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TriCon Refrigerated Container System (TRCS)

Government & Military
Refrigeration Units & Containers
Mainstream’s Tricon Refrigerated Container System (TRCS) is the official TRCS used by the U.S. Armed Forces and is the only TRCS verified to meet MIL-PRF-32335. TRCS is...
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Modular Refrigeration Unit (MRU)

Government & Military
Refrigeration Units & Containers
Modular Refrigeration Unit (MRU) provides thermal control to insulated containers in ambient temperatures as high as 130°F and as low as -40°F. Both the MRU-TQ1-404 and...
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Quadcon Refrigerated Container System (QRCS)

Government & Military
Refrigeration Units & Containers
Mainstream’s Quadcon Refrigerated Container System (QRCS) is approved by the United Sates Marine Corps (USMC). QRCS is a six-foot ten-inch by eight-foot by four-foot nine-inch (6’10” X...
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Sentinel A4 Heat Exchanger Tactical Mobile Radar Thermal Management System

Government & Military
Thermal Management Systems
In Partnership with Mainstream Engineering’s Sentinel A4 Heat Exchanger (HEX) supports Lockheed Martin in meeting the stringent U.S. Army requirements for operation of this next-generation...
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Heating/Hydrating Combat Ration (HHYCOR)

Government & Military
Heating, Hydration & Combat Ration
Mainstream’s Heating/Hydrating Combat Ration (HHYCOR) heats and purifies water for the reconstitution of freeze-dried meals such as the Meal, Cold Weather (MCW) or for the...
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Advanced Modular Diesel 45

Government & Military
Engines
AMD45 (Advanced Modular Diesel 3-Cylinder, 1.25 L, Turbodiesel 75 Horsepower (56 kW) The AMD45 Turbodiesel was developed with automotive design principles coupled with durability enhancements for demanding...
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10kW IGBT-based Opti Drive

Government & Military
Power Converters
Mainstream’s variable frequency drive is a liquid cooled motor drive with an integrated active PFC rectifier for meeting the strict requirements of MIL-STD 461. It...
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25kW SiC-based OPTI Drive

Government & Military
Power Converters
Mainstream designed, built and tested a 25 kW continuous (35 kW peak), 105 °C liquid cooled, wide-bandgap (WBG) three-phase motor drive. This motor drive is...
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Satellite Space Converter

Government & Military
Power Converters
Mainstream designed, built and tested a 2.5 kW 3-port isolated dc-dc converter that is modular and scalable for space applications. This unit consolidates a spacecraft’s...
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