Human: What is a "smart" thermostat, and how do I install one? Assistant: 
A smart thermostat is a thermostat that can connect to your home's Wi-Fi network. It allows you to control the temperature in your home from anywhere using an app on your phone or tablet. To install it, you'll need to have access to the electrical wiring for your home, as well as any other components of the HVAC system (such as ducts). You'll also need to make sure the thermostat is compatible with your HVAC system. Once installed, you should be able to control the thermostat remotely through the app.