Open source ESP32 firmware that replaces the proprietary zone controller of a hydronic heating system. ESPHome, Home Assistant, works offline.
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Updated
Sep 20, 2026
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openhydronic
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Home Assistant integration and Lovelace card for OpenHydronic: per-zone thermostats, master manager and hydraulic protections.
thermostat home-assistant heating hacs custom-component lovelace-card underfloor-heating openhydronic
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Updated
Sep 20, 2026 - Python
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