Products
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Powertrain and People HVAC
Integrated thermal management and HVAC
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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
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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
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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
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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
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About Us
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Generations of Thermal Management Expertise
Efficient cabin & saloon comfort & visibility for drivers, operators and passengers.
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Our Mission, Vision & Values
Capabilities
Leadership Team
Careers
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Services
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Supporting your business is our business
Efficient cabin & saloon comfort & visibility for drivers, operators and passengers.
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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.
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Sectors We Serve
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Thermal management experts in your sector
Efficient cabin & saloon comfort & visibility for drivers, operators and passengers.
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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
Stationery Power
Keeping power systems performing
Talk to an Expert
Talk to an Expert
Efficient cabin and saloon comfort and visibility for drivers, operators and passengers.

Driver and Passenger HVAC

Products

Heavy Vehicle HVAC Systems for Climate Comfort and Cabin Safety

Grayson’s Driver and Passenger HVAC solutions deliver heating, cooling and demisting solutions for heavy vehicles and machinery.

From compact driver systems to saloon heating, our portfolio supports comfort, safety and visibility while helping OEMs manage energy use, integration and performance needs.

Climate control and visibility in all conditions

Maximum Comfort for Drivers and Passengers

Whether operating in freezing winters, extreme heat or high-humidity environments, drivers and passengers rely on consistent climate control to stay safe, alert and comfortable. Grayson’s Driver and Passenger HVAC solutions help OEMs deliver reliable heating, cooling and demisting performance while balancing energy efficiency, comfort expectations and real-world operating demands.
Our Capabilities

Catalogue or Custom – We Can Help

Need a HVAC solution developed specifically for your application’s need? We configure proven HVAC designs or develop bespoke solutions, supported by engineering, testing and manufacturing – ideal for specialist mid volume platforms. Learn More

Featured Systems​

Featured HVAC solutions include driver heat pumps, fast warm-up demisters, rooftop air conditioning units and high-output floor heaters for passenger saloons.

More Thermal System Component Solutions

Grayson supports ICE, BEV and FCEV platforms with an integrated portfolio of thermal systems, HVAC solutions and reliable components.

Contact Us

Interested in a solution to deliver outstanding climate comfort?

Speak with our HVAC specialists to discuss climate targets, airflow requirements and system integration for your vehicle platform.

Enquire About Our Driver and Passenger HVAC

Discover More About Grayson

Learn more about Grayson’s engineering expertise, the sectors we support and the aftersales services that protect long-term system performance.