Controller

CA-Series

Products

CA-Series: HMI Controllers for Driver Climate Control

The CA-Series is Grayson’s range of CabinAir HMI controllers, providing intuitive driver control of heating, defrost and air conditioning systems. Designed for CAN-based vehicle architectures, the series delivers clear user interfaces, configurable behaviour and reliable operation in demanding cabin environments.

About Our CA-Series

Developed for integration into modern vehicle HVAC systems, the CA-Series enables drivers to easily manage cabin temperature, airflow and defrost functions. CAN communication allows seamless interaction with thermal management systems, while configurable parameters give OEMs control over operating limits, behaviour and system responses across diverse applications.
Our Capabilities

Components or Systems – We Can Help

Alongside proven CA-Series HMI controllers, Grayson supports OEMs with full engineering capability to integrate controls, sensors and HVAC hardware into complete, vehicle-specific thermal management systems. Learn More

Contact Us

Searching for a stylish and user-friendly HMI?

Speak with our technical team for guidance on HMI selection, system integration or wider HVAC and thermal management design.

Thermal management product enquiry

If you're interested in Grayson's thermal management solutions for your application, please fill out the form below, and one of our team members will get in touch with you soon.


Discover More About Grayson

With over four decades of experience, Grayson Thermal Systems provides proven heating and cooling solutions to vehicle markets worldwide, supporting reliable performance and long-term system durability.