Not-so different Nest Thermostat & Thermostat E are both solid budget buys
(Android Central)

Still our favorite Nest Thermostat E $150 at B&H Pros Learns and adjusts schedule automatically More pixels per inch in LCD display Ships with trim plate Saves energy when you`re away from home HVAC monitoring Works with remote sensors Cons Only comes in white Not widely available Must set up in Nest app The Nest Thermostat E is one of the smartest thermostats you can buy, with the ability to track your temperature changes and build you a customized, automated heating schedule that will save you energy. That said, it`s a relatively old device with an average LCD display. Colorful and revitalized Nest Thermostat From $118 at Amazon Pros Better color options Larger mirrored lens with IPS Soli motion tracking and geofencing Savings Finder and HVAC monitoring Cons No remote sensors No schedule learning capabilities Trim plate sold separately Low resolution display The new Nest Thermostat is a simpler device that puts all of its smarts in the Google Ho...