Mine's fine, FWIW. My heating system (hot water baseboards) doesn't really respond quickly enough for it to be super useful for things like away detection, but

Mine's fine, FWIW. My heating system (hot water baseboards) doesn't really respond quickly enough for it to be super useful for things like away detection, but as a programmable thermostat, for the most part, it works better than I expect most software to work.