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Thermal Management Systems and Components for Heavy Vehicles and Machinery

Designing or evolving a heavy vehicle, machinery or stationary power platform? Grayson delivers proven thermal management systems and components engineered to control heat, improve efficiency and perform reliably across demanding applications and challenging environments.

Featured Systems

From integrated thermal management systems to advanced battery and HVAC solutions, Grayson delivers engineered systems designed to manage heat, energy and comfort across demanding vehicle and machinery applications.

M-Series

BTMS M5

Fully integrated battery thermal management system for high-voltage BEV and FCEV platforms, delivering active and passive cooling plus up to 30 kW heating.

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CM-Series

CTMS CM1

Smart, compact CTMS delivering ultra-efficient cabin HVAC, battery thermal management, and power electronics and motor cooling in one integrated module for BEV and FCEV platforms.

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LH-Series

Heat Pump LH1

Compact heat pump delivering high-capacity hot water for electric vehicle heating, offering energy-efficient performance, flexible mounting, and intelligent control in cold conditions.

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Our Capabilities

Catalogue or Custom – We Can Help

Be it a pre-validated standard product or bespoke system specific for your application, Grayson’s in-house design, testing, engineering, manufacturing and aftersales support enables us to deliver the right solution to meet your needs. Learn More

Case StudieS

Products in Action

Trusted by OEMs for almost five decades, Grayson delivers proven thermal solutions in real-world operation. Discover heating and cooling systems currently in action across heavy vehicle and machinery sectors today. Learn More

Featured Systems

Alongside complete systems, Grayson supplies proven thermal components - including pumps, heaters, sensors and controls - designed to deliver reliable performance within complex thermal and HVAC architectures.

EW-Series

Aux Heat EW4

Highest-output 10 kW PTC electric water heater delivering safe, CAN/LIN-controlled heating for high-voltage BEV and FCEV battery, coolant, and cabin HVAC applications.

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MD-Series

Electric Water Pump MD1

Magnetic drive electric water pump delivering high flow, zero-seal durability, and reliable coolant circulation with integrated electronics for heavy-duty and stationary power applications.

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CA-Series

HMI Controller CA2

A 12/24 V DC HMI driver cabin controller with digital display and CAN communication, delivering intuitive, precise control of heating, defrost, and air conditioning functions.

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Solutions For Your Sector

Grayson supports OEMs across a wide range of sectors, applying decades of thermal expertise to overcome application-specific challenges and deliver reliable solutions under real-world operating conditions.