Intuitive CAN-based HMI control for reliable, driver-focused thermal system operation

HMI Controller

Products

HMI Controller Range: Intuitive Interfaces for Cabin Climate Control

Grayson’s HMI Controller range provides stylish, intuitive interfaces for controlling vehicle heating, cooling and defrost systems. Designed for CAN-based architectures, these controllers enable clear driver use, configurable behaviour and dependable operation in demanding on-highway and off-highway environments.

About Our HMI Controller Range

The HMI Controller range allows drivers to manage cabin climate functions with confidence, while enabling OEMs to define system behaviour, limits and priorities. Designed to integrate seamlessly with HVAC units, sensors and controllers, the range supports consistent operation across varied platforms, duty cycles and environmental conditions.
Our Capabilities

Components or Complete Systems – We Can Support

Beyond supplying reliable HMI controllers, Grayson supports OEMs with full system-level integration. We combine controls, sensors and thermal hardware into cohesive, vehicle-specific thermal architectures, ensuring intuitive operation, robust communication and long-term reliability. Learn More

More Thermal System Component Solutions

Grayson’s Thermal System Components family includes complementary products designed to work together within complete vehicle thermal architectures.

Contact Us

Need a stylish, easy-to-integrate and operator-friendly HMI controller for your next platform?

Contact our technical team for guidance on HMI selection, system integration or complete thermal management architectures.

Enquire About Our HMI Controller Range

Discover More About Grayson

With a track record spanning over four decades, Grayson Thermal Systems supplies reliable heating and cooling solutions to vehicle industries worldwide, supporting consistent performance and long-term system durability.