Smart thermostat
Smart thermostats are thermostats that can be used with home automation and are responsible for controlling a home's heating and/or air conditioning. They perform similar functions as a Programmable thermostat as they allow the user to control the temperature of their home throughout the day using a schedule, but also contain additional features, such as sensors and WiFi connectivity, that improve upon the issues with programmable thermostats,
Smart thermostat
A Connected thermostat is one that can be controlled through an internet connection, but will not provide analytic information. In recent years WI-FI thermostats have risen in popularity, they combine the technology of thermometers and WI-FI. So now you can have a thermometer in your home that is displayed on your phone that uses Wi-Fi technology. This technology is being developed right now so it will be available for thermostats in machinery and cars. Google are involved in this push towards technology since they acquired a Wi-Fi temperature company called Nest.The market of smart thermostats is expected to reach around 3.5 Billion USD by the end of the year 2022.