Part #GGA05171US
Nest’s smartest, most advanced thermostat yet, it’s easier to install, was designed with premium materials, and has improved learning features that can help cut down on callbacks.1,2 It’s compatible with complex HVAC systems up to 4H 2C, including heat pump, ventilation, and central humidifiers and dehumidifiers. And it comes with a Nest Temperature Sensor (2nd gen).