When is a thermostat more than just a thermostat? When it's an Insteon Thermostat.
Add duct dampers to control the flow of conditioned air on a room-by-room basis with IO Module*
Use sensors on doors and windows to prevent the AC from cooling the entire neighborhood when a door or window is left open*
Line Voltage & Millivolt
Integrated with line voltage systems using Micro Modules and vintage millivolt heaters with IO Module
*Requires advanced Insteon controllers such as ISY-99i series hardware or Indigo software.