Google | | Nest Learning Thermostat (4th gen) with Nest Temperature Sensor (2nd gen | Polished Obsidian | Best Buy

$239.99

Ecobee | | Enhanced Smart Programmable Touch-Screen Wi-Fi Thermostat with Alexa, Apple HomeKit and Google Assistant | Black | Best Buy

$169.99

Google Nest GA05552-US Temperature Sensor (2nd Gen) - 1 Pack

$42.60

Nest Programmable Thermostat E with Wifi Compatibility - White

$169.95