Minimum temperature setting is 50. This is installed in our seasonal cabin and we need to set it at 35 degrees so as not to waste fuel unneccisarily. I have to shut off the furnace completely and remotely monitor the indoor temp on a remote thermostat and run the heat manually. Very sorry I was not informed of this by the installer.
It is smart but missing features from competitors. There is no schedule for circulation fan, either on or off. I can't create customize temperature schedule. There is no Heat+Cool mode. Either Heat or Cool. The runtime usage has one day lag to display data.