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MAX-via-Cul thnow/MAX-via-Cul

Home Assistant integration for eQ-3 MAX! heating thermostats, wall thermostats and window contacts via a CUL/CUNO (or a MAX! Cube flashed with a-culfw) – fully local, replaces the discontinued eQ-3 software.

HEALTH ? 79 / Stable
// solo builder// hidden gem// release machine culculfweq3eq3-maxhacshacs-integrationheatinghome-assistanthomeassistant-custom-componentmax-cube ?

// readme

MAX! via CUL

Home Assistant custom integration for eQ-3 MAX! devices connected through a CUL or CUNO running CULFW.

This integration is for people who still have working MAX! heating hardware. eQ-3 has discontinued the MAX! system: the MAX! Cube with its software and app still works, but gets no updates any more. This integration takes over the Cube’s job in Home Assistant: it talks directly to a CUL/CUNO (or a MAX! Cube flashed with a-culfw) over TCP or USB and implements the MAX!/MORITZ protocol itself, fully local.

[!IMPORTANT] You need a CUL/CUNO radio or a MAX! Cube flashed with a-culfw. A MAX! Cube with its original eQ-3 firmware does not work with this integration – it talks the MAX! radio protocol itself, through CULFW. Flashing replaces the Cube’s firmware; the eQ-3 software and app no longer work with it afterwards.

What You Get

  • UI setup through Home Assistant config flow
  • Pairing for MAX! heating thermostats, wall thermostats and shutter contacts
  • climate entities for heating and wall thermostats
  • Week profile editing with draft, save and discard workflow
  • Comfort, eco, window-open and…