Emerson Sensi Wi-Fi Smart Thermostat

This thermostat is ENERGY STAR certified, saving approximately 23% on HVAC energy usage. It integrates with Amazon Alexa, Google Assistant, and Samsung SmartThings for voice control. The intuitive app guides installation with Bluetooth technology, requiring a common wire for compatibility with most HVAC systems. The price drops from $209.99 to $169. Shipping is free.