• complete testing &

  • providing the complete

  • our specialist

  • complete global delivery &

Welcome to Grayson Thermal Systems

The leading supplier of Cooling, Heating & Air Conditioning Products

Grayson Thermal Systems design, manufacture, and supply engine cooling, heating, and air conditioning products to commercial vehicle and specialist vehicle industries worldwide. We are responsible for the sales, installation and servicing of Thermo King vehicle air conditioning systems to the bus and coach industry throughout the UK. A proud UK manufacturer, Grayson works in partnership with our customers to develop innovative ways for them to improve vehicle performance and reliability.

Formed in 1978, we remain a privately owned, family business. Exceptional staff within the organisation ensure the core beliefs that have led to our success remain at the heart of our business operations.