Pioneering thermal management since 1978, Grayson Thermal Systems designs, tests, manufactures, and supports advanced heating and cooling solutions trusted by OEMs worldwide. From our UK and US manufacturing facilities, we deliver everything from individual high-voltage-ready components to fully integrated, plug-and-play thermal management systems.

With over four decades of experience in the bus and coach sector, we specialise in powertrain cooling and driver/passenger climate comfort, supporting zero-emission applications through expertly engineered refrigerant-based and heat pump technologies. Whether you need a standard off-the-shelf unit or a bespoke solution built from the ground up, we have the expertise, flexibility, and in-house control capabilities to support your next project.

And at this year's Busworld,  Grayson is bringing something new to the bus and coach sector… be sure to visit stand 532 in hall 5 to discover a smarter, more complete approach to thermal management.

Connect with Grayson and discover what's possible with advanced thermal management: today, tomorrow, together.