Free residential service call with any repair during normal business hours

CSI Mechanical

   (704) 600-6267

Serving Shelby, NC Metro Since 2010

XL803 – TCONT803

  • 3 heat/2 cool
  • Humidity sensor
  • Dual fuel capable
  • Interactive touch screen
  • Auto changeover
  • Effortless programming
  • Real-time clock
  • Large back-lit display
  • Armchair programming
  • Air filter reminder


The XL803 seven-day programmable thermostat puts comfort in your control with three heat and two cool settings, as well as a humidity sensor and air filter reminder. Full of features so you can set it and forget it, this digital home thermostat is equipped to keep your home comfortable year round.