Optimize your whole home comfort with Nexia® Diagnostics . This system provides the comfort, connectivity and control you need and can be used to control up to two indoor air quality products, such as, a whole home humidifier, dehumidifier and fresh air ventilation system to enhance indoor air quality.

You can also connect and control the thermostat from a smartphone, tablet and computer*. With the Nexia smart home built in bridge you have the flexibility to remotely monitor and control over 200 smart home devices. Smart home devices you may control with Nexia include your home’s lights, locks and even your garage door from virtually anywhere with the Nexia app or with the convenience of your voice through an Amazon Alexa or Google Home enabled devices.**


  • Data is encrypted and securely transferred between the Trane thermostat and Nexia Diagnostics.  
  • By opting-in, your designated dealer is allowed to view your HVAC system performance data.  
  • By opting-in, your HVAC system performance data is visible to your dealer. No other devices you may have connected to Nexia are visible or accessible by your dealer.

Real Time Diagnostics

Nexia can monitor your HVAC system real time with the Nexia diagnostics and alert your Trane dealer if there is an issue. With your permission, real time information is easily accessible for your dealer so they can remotely view details on how your heating and air conditioning system is performing.

Key Features

  • Wi-Fi or Ethernet Connectivity
  • 4.3″ Diagonal Color Touchscreen
  • Built-in Nexia Bridge
  • Program up to 4 schedules a day, 7 days a week
  • Energy Star Certified***

* Requires internet service and connection to Nexia.

** Nexia remote climate access is included with the purchase of a connected control. Adding smart home devices to your Nexia system may require a monthly subscription. Ask your Trane Dealer for details.

*** 824B models only.

BBB A+ badge
Google Reviews