If it is very cold, run the heating a little extra to prevent frozen pipes

Create custom workflows effortlessly by selecting triggers, queries, and actions. With IFTTT, it's simple: “If this” trigger happens, “then that” action follows. Streamline tasks and save time with automated workflows that work for you.
46 triggers, queries, and actions
You can add delays, queries, and more actions in the next step!
ecobee is the smarter wi-fi thermostat with remote sensors. For homes with more than one room.
HomeSeer lets you automate and control your door locks, thermostats, lights and more from anywhere with your phone or tablet. Note that a MyHS Plus subscription is required.