qundis

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duramson / ha-ultraheat-mbus

Home Assistant integration for Landis+Gyr Ultraheat T230/T330 heat meters, also sold as ista ultego III smart and Qundis Qheat 5.5, read locally via the optical M-Bus interface with an IR head

home-assistant hacs m-bus ista t330 landis-gyr homeassistant-custom-component hacs-integration hichi heat-meter ultego ultraheat t230 qundis waermezaehler ir-reading-head

Updated Oct 2, 2026
Python

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