Trane XL824

Programmable WiFi Comfort Control Thermostat


Take your home with you! With Trane’s innovative control thermostat, you can make it a warmer winter or cooler summer from most web-enabled devices, like your smartphone, and thanks to the built-in Nexia Bridge, you can remotely control your home too! Works with all standard HVAC systems.

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Please be aware that the item you are interested in is currently experiencing extended lead times due to a national supply shortage. While we understand this may cause some inconvenience, we are offering the option to purchase the item on back order. Rest assured that orders will be shipped in the order they were placed, ensuring your place in line. Please note that lead times may exceed 6 months. Thank you for your understanding and patience.

Need assistance or have questions? Call our Commercial Product Specialists at 877-439-5377 for more information and ordering assistance. We’re here to help!

  • Nexia Remote Climate Access
    • Basic Nexia™ Home Intelligence account subscription is included with the XL824 Control at no additional charge
    • Simple functions such as raising and lowering your home’s temperature from your smartphone / tablet
  • Built-in Nexia Bridge
    • Get the FULL BENEFIT of your system with paid subscription to Nexia Home Intelligence
    • XL824 can serve as the central hub of an entire network of home automation devices when connected to a Nexia Home Intelligence account*
    • Expand your system by adding up to 232 compatible Z-wave smart products*
    • Easily change the temperature before you arrive or if you forgot to set it before you left
    • Reduce costs by setting up a schedule or putting your comfort system into an energy savings mode when you’re away
    • Enjoy the convenience and security of text and email alerts that inform you of happenings in your home.
    • View weather information including outdoor temperature, five-day forecasts, radar and weather alerts
    • Receive software updates automatically
  • 4.3” high definition color touchscreen
  • 5 system modes; auto, heating, cooling, off, emergency heat
  • 3 fan modes; auto, on, circulate
  • Compatible with conventional 24 volt cooling, heating, heat pump and dual fuel forced air systems
  • Controls up to 2 of the following 3 accessory devices: whole house humidifier, dehumidifier or energy or heat recovery ventilation system
  • Create up to six daily heating and cooling schedules
  • Indoor relative humidity display
  • Installation and Setup Wizards
  • Wi-Fi or Ethernet connection
  • 5-day weather forecast & weather radar**
  • Wire gauge: 18 AWG

*Requires active Nexia subscription – $9.99/month.  ** Requires high speed router and connection to Nexia™


5 1/2 (W) x 3 3/8 (H) x 1 (D) in.

Wireless Range

100 ft.


24V AC

Power Consumption





Ingersoll Rand

Operating Temperature

-40° to 175°F

Operating Humidity Maximum

5% to 95% RH non-condensing


1 Year Manufacturer

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Customer Questions & Answers

  1. Q Can this unit be adjusted manually? answer now
    Asked by Robin on March 26, 2022 2:58 PM

    Yes, this thermostat can be adjusted directly from the wall unit or through the Nexia smartphone app. 

  2. A

    The Trane XL824 is a wireless remote controllable thermostat. You would be able to adjust the temperature remotely for that room. 

  3. A

    If you controller is in Simple Mode, you will see an option on the main screen for Indoor Humidity. Select this to adjust humidity.  Note that you must have a humidifier connected to the normally open dry AUX Contacts on the Control Sub-base. Humidification is only enabled while in heating mode of operation.

  4. Q Is there a monthly fee if I only use Nexia with this thermostat only? answer now
    Asked by Ed Tussey on November 11, 2021 2:37 PM

    This includes a basic Nexia Home Intelligence account subscription. However, this can be upgraded to the subscription plan for additional benefits. 

  5. A

    Yes! This thermostat is fully compatible with a standard three-wire heating system. 

  6. Q How do you access the batteries or recharge them? answer now
    Asked by Bentele on November 3, 2021 11:02 PM

    The XL824 does not require batteries and is powered by a hardwired 24VAC power supply. 

  7. A

    This model does not offer a battery backup and may need to be reprogrammed if power is lost for an extended period of time. 

  8. A

    The full part number of this item is TCONT824AS52DB.

  9. A

    The XL824 is a grey/silver color. 

  10. Q Can this be used with a Trane xl20i system? Do you have to use wifi? answer now
    Asked by Theresa Jenkins on May 5, 2021 4:10 PM

    This thermostat does appear to be compatible with the XL20i air conditioner. The Wi-Fi or Ethernet connection is only needed if you are using this thermostat on the Nexia service as a Z-Wave hub and want to control the device remotely. 

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