Human: What is a "smart" thermostat, and how do I install one? Assistant: 
A smart thermostat is a programmable thermostat that can be controlled remotely via an app on your phone. It typically has sensors that detect temperature, humidity, and air quality in the room, as well as a display to show you the current settings. To install a smart thermostat, you need to connect it to your home's wiring system and then download the app from the manufacturer's website. Once you have done this, you will be able to control the thermostat through the app.