Unfortunately, I can also express only negative. I have my entire 3 bedroom apartment (6 heater) equipped with the Honeywell heating controller. That was in 2012. Today is the last controller broke. A controller was installed in the bathroom. Unfortunately, me a little water is running into the device when you rinse the tiles. It was immediately broken irreparably. The remaining parts have all adopted gradually with the error message E3. Especially great is when you as a time is not exactly home and the heating fully heated for days is. I would never buy the parts.