Complete Thermal Management Systems (CTMS)

CM-Series

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Products

CM-Series: Intelligent, Integrated, All-in-One Thermal Management for Cabin, Powertrain and Batteries

The CM-Series is Grayson’s chassis-mounted Complete Thermal Management System, integrating battery, power electronics and cabin HVAC into a single intelligent module. Using advanced reversible heat pump technology and smart energy recovery, the series delivers optimised thermal performance, efficiency and simplified vehicle integration for electrified platforms.

About Our CM-Series

Designed for BEV and FCEV platforms, the CM-Series combines multiple thermal functions into one configurable, chassis-mounted system. Reversible heat pump technology, smart heat recovery and Grayson’s Intelligent Automatic Controller dynamically manage energy flows across battery, power electronics and cabin circuits. This integrated approach reduces system complexity, improves efficiency and enables OEMs to tailor performance without costly platform redesigns.
Our Capabilities

Configured to Your Specifications

Alongside validated CM-Series catalogue systems, Grayson offers full engineering, software, testing and manufacturing capability to configure or develop bespoke CTMS solutions. Modular architecture and flexible control logic enable OEMs to customise performance, interfaces and operating strategies while minimising integration risk and development time. Learn More

Contact Us

Interested in simplifying and enhancing your application’s thermal management architecture?

Contact us today. Our thermal specialists are happy to discuss your platform requirements and can support you with technical data, STEP files, configuration guidance and integration advice.

Enquire About Our CM-Series CTMS Today

More CTMS Series

Grayson’s CTMS range also includes integrated, all-in-one chassis-mounted and roof-mounted systems suitable for electric on-highway and off-highway applications.

Discover More About Grayson

With over 40 years of industry experience, Grayson Thermal Systems delivers dependable heating and cooling solutions to vehicle manufacturers worldwide. Our knowledge ensures consistent performance and long-term system reliability.