Price: $380.00
(as of Mar 18,2025 11:42:56 UTC – Details)

Transform your home comfort with the Trane ComfortLink II XL850 Smart Thermostat, the ultimate smart solution for seamless climate control. Designed for use with Trane’s ComfortLink Communicating and Variable Speed systems, this thermostat delivers precise, energy-efficient temperature management while enhancing overall system performance. Its sleek 4.3” color touchscreen offers an intuitive interface, allowing you to easily adjust temperatures, monitor indoor and outdoor conditions, and set up personalized heating and cooling schedules. With built-in Wi-Fi connectivity, the XL850 enables remote access and smart home integration, making it compatible with Nexia Bridge and voice control platforms like Alexa and Google Assistant. The XL850 doesn’t just control your system; it keeps it running optimally. Equipped with features like a smart scheduling system, you can create up to six daily heating and cooling schedules to fit your lifestyle and maximize energy savings. Its indoor humidity display allows you to monitor relative humidity for improved climate control, while smart maintenance alerts provide timely reminders for filter changes, maintenance needs, and humidifier servicing. The built-in Nexia Bridge enhances compatibility by allowing control of multiple smart devices, integrating smoothly into your broader smart home setup. Choose between Wi-Fi or Ethernet connectivity to make real-time adjustments remotely from your smartphone, and enjoy the convenience of a 5-day weather forecast and radar feature displayed directly on the thermostat screen. With upgradable software, the Trane ComfortLink II XL850 Smart Thermostat also stays current with new features, ensuring your thermostat is always up-to-date. With the Trane ComfortLink II XL850 Smart Thermostat, you get the perfect balance of advanced technology and effortless comfort, providing energy-saving climate control, convenient smart home integration, and reliable system performance all year round.
Z-Wave Certification ID: ZC08-14090003 – Certified for Z-Wave compatibility, allowing seamless integration with smart home systems. Monitor and control over 200 Z-Wave devices, making it ideal for smart homes across the U.S., Canada, and Mexico.
Multi-Device Compatibility – Connects effortlessly with a wide range of Z-Wave command classes, including Association, Battery, Binary Sensor, Thermostat Set point V2, Door Lock, and Sensor Multilevel V2, providing versatile control and monitoring for all your connected devices.
Vibrant 4.3” Color Touchscreen – Features an easy-to-use, full-color touchscreen interface for quick access to settings, schedules, and diagnostics. The touchscreen enhances user experience, making it simple to adjust comfort levels at a glance.
Built-In Trane Diagnostics – Opt-in to Trane’s remote diagnostics feature, allowing your dealer to monitor real-time HVAC system performance. Alerts are sent to dealers for any issues, and remote access provides troubleshooting assistance to keep your system running smoothly.
Wi-Fi and Ethernet Connectivity – Provides flexible connection options, so you can access your thermostat remotely from your smartphone, tablet, or laptop. Easily adjust temperature, humidity, and schedules from anywhere for optimal convenience.
7-Day Programmable Scheduling – Customize up to seven different schedules to fit your weekly routine. With automatic adjustments, you’ll experience personalized comfort and energy savings around the clock.
Enhanced Home Automation with Built-In Z-Wave Bridge – Integrate seamlessly with other smart devices in your home, thanks to the thermostat’s built-in Z-Wave bridge, allowing comprehensive control of lighting, security, and more from one interface.
Real-Time Temperature & Humidity Optimization – Utilizes a network of sensors to provide precise control over temperature and humidity, adapting to your needs in real-time to enhance comfort while maintaining energy efficiency.
Remote Accessibility and Smart Alerts – Receive alerts for filter changes, maintenance, and humidity adjustments directly on your mobile device. Remote access ensures you can manage your HVAC system effortlessly, even when away from home.
Energy-Efficient Design for Reduced Utility Costs – The ComfortLink II XL850 smart thermostat optimizes energy use by automatically adjusting settings based on schedules, ambient conditions, and real-time performance, helping you save on energy bills while staying comfortable year-round.