Estimated Price$$$$
Wi-Fi Control

ComfortLink™ II XL850

ComfortLink™ II XL850 Description

Control your variable speed or communicating system with our new smart control.



Perfect air in perfect harmony

Connect your ComfortLink™ II XL850 control to a matched Trane system for complete, seamless comfort. Every component is designed to work in harmony with the others, optimizing your energy use over time.


Contact and control

Not only does the ComfortLink™ II XL850 monitor indoor and outdoor temperatures, so you can adjust your system to be energy-efficient, but it also tells you when it’s time to change a filter or schedule routine maintenance.

Key features

** Requires high speed router and connection to Nexia™ Home Intelligence.


characteristicscomfortlink™ ii xl1050comfortlink™ ii xl850xl824xl624
Nexia™ Remote Climate AccessXXXX
Nexia™ Wireless ConnectivityWi-FiWi-FiWi-FiZ-Wave®
Nexia™ BridgeBuilt-InBuilt-InBuilt-In* See Below
Compatible with Communicating and Variable Speed SystemsXX
Touchscreen7" high definition full color4.3" full color4.3" full color4.3" full color
Programmable (days/schedules per day)7 // 47 // 67 // 67 // 4
Heat/Cool Stages5 // 25 // 25 // 24 // 2
Adjust Home Temperature RemotelyXXXX
Upgradable SoftwareXXXX
Nexia™ DiagnosticsXXX

  • 7-day Programmable
  • 5 heat/ 2 Cool
  • Zoning Capability: No
  • Screen size: 4.3”
Trane Product

Trane Warranty

Trane HVAC Product

Protect your ComfortLink™ II XL850 with one of our top of the line warranties

View Warranty