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.