EMS-ESP is a open-source system to communicate with EMS (Energy Management System) based boilers, thermostats and other modules from manufacturers like Bosch, Buderus, Nefit, Junkers and Sieger.
The code is writen for the Espressif ESP8266 microcontroller and supports a telnet console for real-time monitoring and configuration and customizable MQTT support for publishing the information to a home automation system such as Home Assistant or Domoticz.
Please reference the Wiki for further details and instructions on how to build and configure the firmware.
An example of the Home Assistant integration:
Using BBQKees' EMS Gateway circuit:
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Example of the EMS-ESP's telnet console:
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- Sieger ES73
- RC10/Nefit Moduline 100
- RC20/Nefit Moduline 300
- RC20F
- RC30/Nefit Moduline 400
- RC35 (only a single HC)
- RC300/RC310
- Nefit Moduline 1010
- Junkers FR10
- TC100/Nefit Easy (read-only)
- Bosch Easy (read-only)
- Bosch CW100 (read-only)
- Buderus GB172/Nefit Trendline
- Nefit Topline Compact/Buderus GB162
- Buderus Logamax U122
- Buderus Logamax plus/GB192
- Sieger BK15 Boiler/Nefit Smartline
- Bosch Condens 2500/Junkers Cerapur Comfort
- Nefit Proline
- SM10 Solar Module
- SM100 Solar Module
- Junkers ISM1 Solar Module
- MM10 Mixer Module
- MC10 Module
- WM10 Switch Module
- MM100 Mixing Module
- MM100 Mixing Module
- BC10/RFM20 Receiver
- BC10 Base Controller
- BC25 Base Controller
- Nefit Moduline Easy Connect
- Bosch Easy Connect
- EMS-OT OpenTherm converter
- Web Gateway KM200
- HeatPump Module