Works with Alexa for voice control (Alexa device sold separately). Nest saves energy by automatically turning itself down when you're away 2nd generation design - nest is now 20-percent thinner and works in 95-percent of homes with low Voltage systems Auto-Away: Nest saves energy by automatically turning itself down when you're away Auto-Away: Nest saves energy by automatically turning itself down when you're away Auto-schedule: Remembers the temperatures you like and programs itself. Easy install - most homeowners install nest themselves in 30 minutes or less. After that, it's just a matter of changing the temperature 2nd generation design: Now 20-percent thinner and works in 95-percent of homes with low Voltage systems Remote control: Connect Nest to Wi-Fi to control it from your smartphone, laptop or tablet Works with 95% of 24V heating and cooling systems, including gas, electric, forced air, heat pump, radiant, oil, hot water, solar and geothermal. Heating: 1,2, and 3 stages (W1, W2, W3) Cooling: 1 and 2 stages (Y1, Y2) Heat pump: with auxiliary and emergency heat (O/B, AUX, E) Humidifier or dehumidifier (HUM, DEHUM) Fan (G) Power (C, RH, RC) Works with Alexa The 2nd Generation Nest Learning Thermostat has a new, slimmer design, is enclosed by a solid stainless steel ring, and works with 95% of low voltage systems. The Nest Learning Thermostat learns what temperatures you like, turns itself down when you're away and can be controlled from anywhere over Wi-Fi. By programming itself, the Nest thermostat can save up to 20% on your heating and cooling bill. You just have to teach it well.
