Heating and cooling your
zero-emission journey
1978 – 2023
Supporting your business with our Generations of Knowledge
Grayson Thermal Systems design, test, manufacture and supply innovative heating and cooling systems to OEMs in the bus and coach, commercial vehicle, rail, off-highway and defence sectors to help create the next generation of zero-emission vehicles.
For 45 years, we have worked closely with leading manufacturers to meet their thermal management and HVAC needs, delivering advanced solutions that perform in the most extreme of conditions.
Discover how a dedication to innovation, precision engineering, flexibility and customer service has fuelled our global expansion.
Solutions to support your innovation
Whether you are designing the next generation of zero-emission vehicles or looking for high-quality heating and cooling components, we can help.
From proven off-the-shelf systems to innovative tailored solutions for your exact needs, check our product ranges.
Featured products
Grayson Thermal Systems design, manufacture, and supply driveline cooling, heating, and air conditioning products to low volume vehicle industries worldwide, including bus, coach, rail, off-highway, commercial vehicles and more.Â
At your service
Supporting your business is at the heart of our business.
Whether you are an OEM or an operator, we know how important quick and efficient service is for your success.
From our extensive maintenance and servicing network to our dedicated aftermarket team, our technical and logistical expertise will ensure minimal downtime and rapid response when you need us.
Experts in your sector
Our comprehensive portfolio and over four decades of experience mean we have the knowledge and
solutions to meet your needs. Leading manufacturers from across a wide variety of sectors trust us to deliver systems to meet their requirements.
Bus & Coach
Supporting the bus and coach sector’s zero emissions journey
Learn MoreCommercial Vehicle
Keeping trucks moving and drivers comfortable
Learn MoreDefence
Robust systems ready for your operations
Learn MoreRail
Helping to keep rolling stock rolling
Learn MoreSpecial Vehicle
Specialist thermal management solutions for special vehicles
Learn MoreOff Highway
Digging deep to deliver heating and cooling innovation
Learn MoreAll the Latest News
Stay up to date with the latest news from Grayson Thermal Systems.
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