Ecobee3 Lite At $145 for a new Ecobee3 Lite and $120 for a certified refurbished model, this entry-level Ecobee is a bit more of an investment than the Amazon Smart Thermostat.

If you're in the market for a smart thermostat, the Ecobee SmartThermostat with Voice Control and the Ecobee3 Lite Smart Thermostat are two solid options.

Ecobee3 Lite smart thermostat review: The lower price comes at the expense of a signature feature You can add the missing sensors back, but not cost effectively.

The Ecobee3 Lite connected thermostat is receiving a software update to make the device compatible with external temperature sensors.

Evergy customers can receive a free ecobee3 lite, or the ecobee Smart Thermostat with Voice Control for $75 when they enroll in Evergy’s Thermostat Program.