Wi-Fi (802.11 b/g) connectivity. Download the iOS and Android app for free, or login online.
Web charts showing minute-by-minute performance of your heating and air conditioning.
Easily adjust pre-built Energy Star recommended 7-day program with drag-and-drop simplicity.
Sends you notifications if the temperature gets too cold or too hot. Onboard filter replacement and compressor protection notifications to keep your system running safely and efficiently.
One app for all your thermostats, whether it's a second thermostat upstairs, or another home across the country.
FAMILY & GUESTS
Easily share control with family, guests, house sitters, and anyone else you invite. It's just as easy to un-share access until the next time they visit.
Automatically adjusts your thermostat using your smartphone's location to easily save energy when you're away.
Same great app.
CT80 for comfort control and advanced systems.