For nearly three decades, Rochester-based Northern Air Systems has manufactured custom HVAC systems for mission-critical settings, from aviation ground support to mobile medical units and hazardous industrial environments. Its Tru-Temp™ systems are built for continuous operation in temperatures ranging from -40°F to 131°F, with thousands operating worldwide. Northern Air designs, builds, and tests its equipment in-house and holds ISO 9001:2015 certification.
ISO 9001:2015
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NRTL Certifications in accordance with UL, CSA and CE standards
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ETL Inspected and Labeled to UL-1995
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ECU CorporationECU Corporation designs and manufactures custom-engineered HVAC systems and nuclear-rated equipment for demanding environments. It serves defense, government, nuclear power, industrial, and commercial customers, and provides engineering, testing, commissioning, training, reverse engineering, and remote monitoring services.CINCINNATI, OH
Ellis & Watts Global Industries, IncFounded in 1952, Ellis & Watts Global Industries is a Batavia, Ohio manufacturer known for engineering equipment that must perform reliably in nuclear, military, aerospace and medical settings. The company designs custom HVAC systems and related equipment for demanding environments, then supports those installations with service and replacement parts throughout their working lives. Its 175,000-square-foot facility operates under an ISO 9001-registered quality program that meets ASME NQA-1 requirements.BATAVIA, OH
Tactical Environmental Systems, IncFrom Milford, Ohio, Tactical Environmental Systems, Inc. designs and manufactures HVAC and environmental control systems for military, aerospace, and commercial applications. The SAM-registered small business combines custom engineering with manufacturing and system integration, building solutions that range from trailer-mounted systems to equipment for hard and soft shelters. Its quality program uses ISO 9001:2008 and AS 9102 processes, with global logistics and support for customers.MILFORD, OH
Scientific Systems, LLCScientific Systems, LLC manufactures custom HVAC and refrigeration equipment for harsh, hazardous, and severe-duty environments, including explosion-proof air conditioners and industrial chillers. Founded in 1965, the Baton Rouge company builds each solution to its customer’s specifications and has designed equipment for settings such as refineries, offshore platforms, paper mills, and chemical plants. Its GCI Refrigeration Technologies unit also produces Icewagon™ chillers, including systems for specialized cooling as low as -130°F.FREDERICK, MD