Can a Smart Thermostat Work Without Wi-Fi Connection?

Smart thermostats are a great invention that can do several different things beyond just running your heating and cooling. Smart thermostats can do remote monitoring, connect to your other devices, and even display local weather conditions. Your smart thermostat will need to be connected to the Wi-Fi in order to work properly. There are several things that will be affected if the thermostat loses that Wi-Fi signal.