Products
Back
Powertrain and People HVAC
Integrated thermal management and HVAC
View Powertrain and People HVAC
Complete Thermal
Management Systems
All-in-one battery, power electronics, and cabin HVAC systems
Chassis-mounted complete thermal management
Double-deck bus complete thermal management
Rooftop-mounted complete thermal management
Driver and Passenger HVAC
HVAC solutions for climate comfort
View Driver and Passenger HVAC
Cabin HVAC
Reliable cabin heating and air conditioning
Demisters for windscreen defogging
Rooftop air-conditioning systems
Heating
Fast-response cabin and floor heaters
Cabin heating modules
Floor heating modules
Heat Pump
Ultra-efficient reversible heat pumps
Driver cabin heat pump systems
Hot liquid heat pump systems
Powertrain Thermal Management
Thermal control of batteries, engines, motors and electronics
View Powertrain Thermal Management
Battery Thermal Management Systems
Advanced battery heating and cooling to life and performance
Mobile battery thermal management systems
Stationary battery thermal management systems
Rail battery thermal management systems
Coolers
Liquid-cooled radiator modules for BEV, ICE & FCEV
Power electronics and traction motor cooling systems
Hydrogen fuel cell cooling systems
Internal combustion engine cooling systems
Thermal System Components
Robust core components for thermal systems
View Thermal System Components
Auxiliary Heaters
Electric water heaters for clean, instant coolant heating
PTC and resistive electric water heaters.
HMI Controller
User-friendly HMI control panels for drivers
Climate control HMI panels
Electric Water Pump
Stable coolant flow for precise heating and cooling
Canned motor electric water pumps
Magnetic drive electric water pumps
Sensor
Precision sensors for intelligent thermal system monitoring
Temperature sensors for thermal monitoring
View All Products
Talk to an Expert
About Us
Back
Generations of Thermal Management Expertise
Efficient cabin & saloon comfort & visibility for drivers, operators and passengers.
View About Us
Our Mission, Vision & Values
Capabilities
Leadership Team
Careers
Talk to an Expert
Services
Back
Supporting your business is our business
Efficient cabin & saloon comfort & visibility for drivers, operators and passengers.
View Services
Services & Maintenance
Ensure your vehicle’s HVAC and cooling systems continue to provide optimum performance.
Aftermarket Parts & Products
Reliability is essential for vehicle OEMs and operators to minimise downtime.
Technical Support
We know how important it is for you to be able to quickly get an answer to a technical query.
Talk to an Expert
Sectors We Serve
Back
Thermal management experts in your sector
Efficient cabin & saloon comfort & visibility for drivers, operators and passengers.
View Sectors We Serve
Bus & Coach
Comfort and performance across all routes
Commercial Vehicle
Thermal performance for every mile
Defence
Mission-critical thermal management
Off Highway
Helping OEMs break new ground
Rail
Helping to keep rolling stock rolling
Special Vehicle
Built for every unique application
Stationary Power
Keeping power systems performing
Talk to an Expert
Talk to an Expert

Day: May 29, 2025

Grayson Announces Tracy McLellan as New Group Financial Director

Tracy Mclellan

Grayson Thermal Systems is pleased to announce the appointment of Tracy McLellan as Group Financial Director, effective 1st April 2025. Tracy will succeed Bernard Szypulski, who has served as Group Financial Director since 2001 and will transition to a new role as Board Advisor.  Tracy McLellan joined Grayson in 2019 as Financial Controller and has […]