Amazon Smart Thermostat ENERGY STAR Certified, DIY install, Works with Alexa - C-Wire Required in the Smart Thermostats department at Lowes.com
Honeywell TL7235A1003 Line Volt Pro Non-Programmable Digital Thermostat with Electronic Temperature Control, 240-Volt - Programmable Household Thermostats - Amazon.com
Amazon launches a $60 smart thermostat | TechCrunch