Grayson Thermal Systems Employee Directory
Industrial Machinery ManufacturingEngland, United Kingdom51-200 Employees
Grayson Thermal Systems designs, tests, manufactures, and services thermal management and HVAC systems for a range of transport and power sectors, including bus and coach, commercial vehicles, defence, off-highway equipment, rail, special vehicles, and stationary power. The company operates manufacturing sites in Birmingham, UK, and Indiana, USA. With more than four decades in business, it has served OEMs and fleet operators facing demanding thermal challenges. Its offerings span these sectors, delivering precise heating, cooling, and ventilation across diverse climates. The firm emphasizes solutions such as refrigerant-based liquid cooling for electric vehicle batteries and climate control technology for interiors. In November 2025, Grayson Thermal Systems launched the RM-Series alongside the CM-Series and PE1 Cooler, expanding its portfolio for electric and hydrogen buses.
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