Smart Comfort Made Simple. Smart Touch smart thermostat. 

Model ST55 

The Sensi touch smart thermostat puts comfort control at your fingertips. At home or on the go, the easy to use interface lets you adjust your thermostat with just a tap. Save about 23% on Hvac energy. Most install in 30 minutes or less. Provides usage reports. 

Smart Alerts: Detects extreme temperatures and humidity levels and lets you know if your system isn't working properly, even when you are not home.