A zone sensor is a device in a room or space that measures conditions like temperature and sometimes humidity, occupancy, or air quality. It helps the HVAC system understand what is happening in that area.

A zone sensor collects information from the space and sends it to a separate controller or HVAC unit. That controller then decides how the equipment should respond, such as heating, cooling, or adjusting airflow.

Wired zone sensors bring the flexibility of the new zone sensor portfolio to projects where hardwired connectivity is preferred. They deliver the same streamlined setup, sensing performance, and intuitive user experience as the wireless models—now in a controller-powered, direct-wired format. The result is a consistent, scalable sensing platform that helps customers standardize across more building types, applications, and project requirements.

• Flexible for more applications with direct inter module communication (IMC) wired communication and 24V controller power, making it ideal for projects where hardwired connectivity is preferred.
• Consistent sensing performance across the portfolio with support for temperature, relative humidity, CO2, and occupancy—matching the core capabilities of wireless models.
• Unified user experience through the same intuitive interface, available in both display and non-display options to fit different space and occupant needs.
• Simplified installation and commissioning with the same mobile app and NFC-based setup workflow used across the zone sensor family.

Tracer® wireless zone sensors use proven wireless technology to deliver flexible, reliable communication between the sensor, connected equipment, and the Tracer® system. Built on Trane’s building control expertise, each sensor is designed to help ensure seamless, secure, and uninterrupted wireless communication.

• Built on proven Trane wireless technology developed for HVAC applications
• Uses Zigbee® wireless communication between the zone sensor and the wireless communication interface
• Compatible with new and existing wireless communication interfaces (WCIs)
• Secure by design and isolated from the internet and other building networks
• Backed by wireless technology proven in more than 50,000 installed projects

A thermostat both measures temperature and directly controls the HVAC equipment, often with user settings and schedules. A zone sensor mainly measures room conditions and passes that information to another controller that makes the control decisions.