Google Nest Learning Thermostat (4th gen) + Nest Temperature Sensor (2nd gen) – Obsidian

Nest’s smartest, most advanced thermostat yet, the Google Nest Learning Thermostat (4th gen) is a beautiful, brilliant way to save energy, keep your home comfortable, and help make sure your heating and cooling systems are running smoothly[4]
Savings you can count on: The Nest Learning Thermostat can help save up to 31% on heating and cooling bills[2]
Improved compatibility: It works with most 24V systems, including gas, electric, oil, forced air, heat pump, and radiant, and no C wire is required for installation in most homes; visit the Nest Compatibility Checker for more info[5]