Yale | | Matte Black Bi-Metal Wi-Fi Smart Module | Best Buy

$89.99

Honeywell Home | | Smart Color Thermostat with Wi-Fi Connectivity | Silver | Best Buy

$143.99

Apc | | Wireless, Sensor, NetBotz, Temperature Only | 35°F (1.7°C) to 120°F | Gray | Best Buy

$131.99

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

$52.02

Nest Programmable Thermostat E with Wifi Compatibility - White

$169.95