ComfortLink II™ XL850 Thermostat

ComfortLink II™ XL850 Thermostat

Wi-Fi Control

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

Programmable
7 Days
Heating Stages
5 Stages
Cooling Stages
2 Stages

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Control Your Home Comfort

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

  • 4.3” color touchscreen
  • Compatible with ComfortLink™ Communicating and Variable Speed systems
  • Create up to six daily heating and cooling schedules
  • Indoor relative humidity display
  • One touch installation set up with six preset configurations
  • Built-in Nexia Bridge
  • Upgradable software
  • Wi-Fi or Ethernet connection
  • 5-day weather forecast & weather radar**
  • Filter, maintenance and humidifier reminders

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

The ComfortLink™ II XL950 wireless thermostat control is an innovative and intuitive touch-screen product that is compatible with Trane products as well as any other brand of standard central heating and air conditioning systems. This digital thermostat is a fully upgradeable unit, and as updates become available, you’ll be able to push the capabilities of your control even further.

Custom Control and Scheduling

Bright, colorful icons guide you to every important system function with just a simple touch. Create heating and cooling schedules to save energy when no one is home using either guided or manual setup with this Wi-Fi thermostat.

Live Weather and Dealer Contact

This digital wireless thermostat control uses your wireless network to gather and display live weather data, including forecasts, radar images and weather alerts. If your system needs routine maintenance or repair, the thermostat’s display will show your dealer’s contact information for greater convenience.

Energy Efficient

Monitor indoor and outdoor temperatures and your system use over time to better manage energy and comfort.

Air Quality

The ComfortLink IIXL850’s digital thermostat control will remind you when filters need to be changed, and alerts you if maintenance is required. The Quick Clean and Allergy Clean cycles act as a temporary boost to your air filtration.

Timer

You set the time for the unit to operate automatically when you want.

Remote Access

Your ComfortLink™ II XL850 Wi-Fi thermostat control is accessible at home or from anywhere with an Internet-enabled computer, smartphone or tablet.

Digital Picture Frame

When not in use, the ComfortLink™ II XL850 digital thermostat can display a single photo or an entire slideshow. The unit also offers customizable home screens and a variety of optional bezels to match your home’s style.

Trane ComfortLink II XL850 Registered Limited Warranty Details

  • 10 Year limited warranty on internal functional parts
  • If the product is not registered within 60 days of installation Trane’s Base Limited Warranty terms will apply.
  • An option to purchase transferability of your Registered Limited Warranty is available.
  • Optional Extended Warranties are available. Extended Warranties can pay for labor and other costs not covered by manufacturer’s limited warranty.
  • Ask your dealer for full warranty information at time of purchase. Warranties are for residential use only. Some exclusions may apply.
  • All installations include a 2 Year Keystone Labor Warranty and a 2 Year Planned Maintenance Agreement.


If the product is not registered within 60 days of installation, Trane’s Base (5 Year Parts) Limited Warranty terms will apply.

THERMOSTATS