Eebus Home Assistant _verified_ Jun 2026

Integrating Home Assistant allows for advanced energy management of devices like heat pumps (e.g., Vaillant, Wolf), EV wallboxes (e.g., Audi, VW), and SMA inverters. While there is no single "one-click" native EEBUS integration, multiple stable methods exist to connect these devices locally. Home Assistant Community Key Integration Methods

Why go through the EEBUS trouble?

| Feature | EEBUS (via Home Assistant) | Modbus/TCP | MQTT over Cloud API | | :--- | :--- | :--- | :--- | | | Automatic (mDNS) | Manual (IP, port, slave ID) | Manual (MQTT topics) | | Semantics | Knows "Heat Pump" vs "EV" | Just numbers (registers) | Depends on your naming | | Write Control | Native, typed (kW, %, sec) | Possible but risky (raw hex) | Usually read-only | | Offline Operation | Yes (LAN) | Yes (serial/LAN) | No (requires cloud) | | Setup Complexity | Medium | High | Low (until cloud fails) | eebus home assistant