Appallingly terrible interface for thermostats. They've removed nearly everything that makes a "smart" thermostat useful and made it about as counterintuitive as possible. Just listing the litany of imbecilic decisions could take up pages of reviews. If your WiFi password changes, you have to reset and start over. If you want to schedule or dictate fan auto or on settings, go screw yourself. Holding a temperature is set by time (4:00pm) but holding fan is by number of hours. Truly idiotic.