homee Z-Wave Cube

Zigbee, EnOcean, Z-Wave - what is compatible and what is not? Why can't the window contact be paired with the heating controller? Do I really need so many different control centers, even if I only use one protocol? Does it have to be this complicated? Questions upon questions, and the more you dive into the world of Smart Home, the more interesting and complicated it can become. Homee is the solution for almost all systems and protocols, all without complicated lines of code, subscriptions, or different bridges.