These are the best smart thermostats if you have multiple zones
(Android Central)

For large homes or even two-bedroom apartments, smart thermostats for multiple zones are key to saving energy without turning some rooms into ovens or freezers. Most of the best smart thermostats can detect the temperature in the room where it`s installed, but bedrooms or other rooms with different insulation or windows are liable to differ significantly in temperature. That`s why you don`t want just any thermostat, but instead one like the Ecobee SmartThermostat, which can pair with room sensors for total home awareness. Below are all the multi-zone smart thermostats worth considering for your home. Best Overall: Ecobee SmartThermostat with Voice Control The Ecobee SmartThermostat with Voice Control is the best smart thermostat for multi-zone heating and cooling, and one of the best thermostats you can buy overall. It`s compatible with all popular smart home platforms — Amazon Alexa, Apple HomeKit, Google Assistant, Samsung SmartThings, Wink, and even Microsoft Cortana — and...