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.

A proud UK manufacturer, we work in partnership with our customers. We develop innovative ways for our customers to improve their vehicle performance and reliability.

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

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technical sales +44 (0)121 700 5610 general enquiries +44 (0)121 700 5600

Product Highlight

eComfort 100 Heat & Cool for driver cabin

What is the eComfort 100? Our Grayson eComfort 100 is a driver cabin reversible heat pump capable of heating, cooling and ventilating. A critical requirement for any transit bus operator of electric vehicles. The benefits of our system are it is a lightweight solution which is delivered in an extremely low package height of 200mm. Simple fit and forget system delivered fully charged and ready to go with 24V DC or 600V DC Compressor options. Fresh Air

Latest News

Winner! Best HVAC Products Manufacturer 2019

Grayson have been awarded the prestigious Best HVAC Products Manufacturer 2019 by the 2019 Midlands Enterprise Awards. The Midlands Enterprise Awards returns once more, allowing SME News to reward the hardworking individuals and firms hailing from the Midlands region for their ...


Products in Our Range
Products in Our Range
Alexander Dennis
DAF Truck
Dennis Eagle
Douglas Equip
Iveco Truck
MAN Truck
Mercedes / Evobus
Mercedes Truck
New Flyer
Nova Bus
Scania Bus
Scania Truck
Van Hool
Volvo Bus
Volvo Truck
Wright Bus