Grayson celebrates 10,000th cooling pack milestone on Dennis Eagle Elite platform

Dennis Eagle Elite+ Vehicle

[Birmingham, UK – Feb 2026] – Grayson Thermal Systems has reached a major production milestone on one of its longest-running programmes with Dennis Eagle, delivering the 10,000th engine cooling pack for the manufacturer’s Elite Euro 6-compliant refuse collection vehicle (RCV) platforms. The milestone highlights a partnership spanning more than 20 years, during which Grayson has […]

Electric Buses: 5 Winter Maintenance Top Tips To Keep Your Fleets On The Road

Bus in the winter

Operating bus and coach fleets is a complex task. You need to be able to balance reliability, comfort, and safety for passengers in all conditions. Maintenance sits at the heart of this, helping to ensure vehicles and their HVAC systems operate efficiently throughout the year. During the winter months, this becomes even more critical. Falling […]

5 Best Practices for F-Gas Compliance in Heavy Vehicle Thermal Systems

F-gas Compliance - technicians hands checking f-gas gauges

Staying Compliant: How OEMs and Operators Can Meet F-Gas Regulations with Confidence In our previous thermal academy blog, we did a deep dive into F-gas regulations, exploring how the latest F-gas legislation is reshaping refrigerant choices and thermal system design across bus and coach, off-highway, rail, special vehicle, and stationary power sectors. This follow-up focuses […]

Grayson Showcases Complete Thermal Management Solutions at Busworld Europe 2025

Grayson Team Photo Busworld 2025

Brussels, Belgium October 2025 This year’s Busworld Europe was more than just a showcase of new technology for us. It was an opportunity to connect, collaborate, and see how our latest innovations can help shape the future of zero-emission transport. Held in Brussels from 6-9 October, the event brought together manufacturers, partners, forward-thinkers and more […]

F-Gas Regulations: What Heavy Vehicle OEMs and Operators Need to Know

F-gas check

Regardless whether you’re cooling batteries on an electric bus, managing HVAC in a mining truck, or controlling temperatures in a battery energy storage system, refrigerants and F-gases sit at the heart of every modern thermal management system. For engineers working in bus and coach, off-highway, special vehicle and stationary power applications, the latest F-gas regulations […]

Grayson Sponsor The Next Generation Of Local Talent

Knowles & Dorridge Cricket Ground

We’re proud to announce our new role as Lead Player Sponsor for the 2025 season at Knowle & Dorridge Cricket Club – one of Warwickshire’s most historic and respected community sports clubs. Founded in 1898 through the merger of Knowle and Dorridge village teams, the club has long been a fixture of the local sporting […]

Grayson Strengthens Commitment To Quality and Compliance With New ISO Certifications

Grayson member of staff working on refrigerant unit

We understand the impact downtime can have, not just on performance, but on our customers’ operations and reputation. That’s why quality, compliance, and continuous improvement remain at the heart of everything we do. Our rigorous standards ensure every product and process meets the highest expectations, every time. As part of our long-standing commitment to raising […]

Electric Bus and Coach Thermal Advice: 5 Summer Maintenance Tips For Service Operators

Double Deck Bus Servicing

Summer heat can be tough on electric buses and coaches — especially when thermal systems are under strain. If cooling and HVAC systems aren’t properly maintained, it can mean uncomfortable journeys for passengers, driver discontent, reduced range, and even vehicle breakdowns when you need them most. Without a bit of forward planning, even the most […]