You can also use component following the KNX standard and build a smart home based on a standard (with about 400 providers of appliances, switches, etc.) and co

You can also use component following the KNX standard and build a smart home based on a standard (with about 400 providers of appliances, switches, etc.) and control it fully using open source software[1]. Note that the components can be programmed to work without any cloud or centralized control system. So, your heater will work even if your "app" to control it is not working because of a faulty update as everything can work in "standalone" mode. [0]: http://knx.org/ http://knx.org/ [1]: http://www.openhab.org/ http://www.openhab.org/