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CTM HTML5 Interface - NMEA 2000 Marine HVAC Control for Garmin, Simrad, B&G & Raymarine MFDs
The CTM HTML5 Interface is a next-generation marine HVAC control solution that brings centralized climate management to modern onboard displays. It delivers an HTML5 interface compatible with Garmin OneHelm, Navico / Simrad and B&G platforms, and Raymarine displays, so multiple HVAC units can be operated from a single helm or cabin screen over NMEA 2000®.
Reference: 40011C
Regular Price: $699.99
CPlus Price: $664.99
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CTM HTML5 Interface - Centralized Marine HVAC Control over NMEA 2000
The CTM HTML5 Interface is a next-generation marine HVAC control solution that brings centralized climate management to modern onboard displays. Designed for seamless integration with major multifunction display ecosystems, it delivers an HTML5 interface compatible with Garmin OneHelm, Navico / Simrad and B&G platforms, and Raymarine displays, enabling intuitive control of multiple HVAC units from a single helm or cabin screen.
All HVAC functions can be managed directly through the vessel's existing multifunction displays, providing a clean, centralized control solution without the need for separate HVAC thermostats or control panels for each individual unit. This eliminates additional hardware exposed to the marine environment while keeping full system control accessible from the helm or onboard displays.
Built for connected vessels, the interface links MFDs, mobile devices, and HVAC systems into one unified control environment. Operators can monitor and adjust operating mode, power, fan speed, temperature, humidity, and zone settings across multiple units, with support for centralized multi-unit control and real-time monitoring through the NMEA 2000® HVAC control standard PGN.
The platform is manufacturer-approved for NMEA 2000 HVAC integration and is designed to simplify both new installations and retrofits.
Key Features
- HTML5 interface for Garmin OneHelm, Navico / Simrad, B&G and Raymarine multifunction displays
- Centralized control and real-time monitoring of multiple HVAC units from one screen
- Adjust operating mode, power, fan speed, temperature, humidity and zone settings
- Uses the NMEA 2000® HVAC control standard PGN - manufacturer-approved integration
- Links MFDs, mobile devices and HVAC systems into one unified control environment
- No separate thermostat or control panel needed for each unit
- Suitable for both new installations and retrofits
With a modern HTML5 architecture, multi-display flexibility, and support for controlling multiple HVAC units from a single interface, the CTM HTML5 Interface delivers a premium onboard climate-control experience for today's connected yachts and marine vessels. It is an ideal solution for builders, integrators, and vessel owners seeking a scalable, user-friendly HVAC interface aligned with leading marine electronics platforms.
Part Number
- CTM Part Number: 40011C