Current Status
Production Ready
Current firmware release: v0.9.12
Actively maintained and continuously improved.
Current Product
LG Therma V Gateway
Professional ESP32-S3 gateway for LG Therma V heat pump systems.
Hardware Platform
ESP32-S3 + W5500 Ethernet
Designed around a reliable wired Ethernet connection for long-term operation in real installations.
Core Features
Modbus · MQTT · WebSocket
Native LG communication, Home Assistant integration, embedded web interface and OTA-ready architecture.
Features
Built for real installations
The Gateway is developed around practical field use, stable networking and clean Home Assistant integration.
Native Modbus
Reliable communication with LG Therma V systems using a dedicated embedded gateway.
Home Assistant
MQTT discovery and structured telemetry make Home Assistant integration clear and maintainable.
OTA Ready
Firmware delivery is prepared through the SSI Engineering downloads and release manifest structure.
Web Interface
Integrated monitoring and configuration
The embedded web interface provides live system status, heat pump data, energy monitoring, Home Assistant integration and system configuration directly from the Gateway.
Dashboard
Heat Pump
Central Heating
Energy Monitoring
MQTT & Home Assistant
System Configuration
Downloads
Firmware & Releases
Firmware downloads, release manifests and documentation are managed through the SSI Engineering downloads portal.
Current Firmware
v0.9.12
Release Status
Stable Checkpoint