Imagine what’s possible… That’s the question that drives us to push the boundaries of thermal management – delivering the highest levels of performance, efficiency, and reliability for our customers.

From our manufacturing sites in Birmingham, UK, and Indiana, USA, we design, test, manufacture, supply, and service cutting-edge thermal management and HVAC systems for bus and coach, commercial vehicle, defence, off-highway, rail, special vehicle, and stationary power sectors worldwide.

For 47 years, we’ve been the trusted partner that OEMs and fleet operators rely on to solve their most complex thermal challenges. Whether regulating the temperature of electric vehicle batteries with our advanced refrigerant-based liquid cooling systems or optimising interior climate conditions with our innovative heat pump technology, we create solutions that enable performance and reliability in every environment.

From hauling goods across continents to storing renewable energy off-grid and transporting passengers to new destinations, our solutions sit at the heart of critical operations, ensuring precision heating, cooling, and ventilation in every climate.

Automotive

Manufacturing

Transportation

Grayson Thermal Systems

The Tyseley office in Birmingham focuses on engineering design, production management, and quality assurance in electrical systems.

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