Independent directory, made by the developer of Vulpo. Not affiliated with Home Assistant or the Open Home Foundation.

Screenshots From the README of marcschmiedchen/home-assistant-wolf_ism8.

Screenshot from marcschmiedchen/home-assistant-wolf_ism8Screenshot from marcschmiedchen/home-assistant-wolf_ism8Screenshot from marcschmiedchen/home-assistant-wolf_ism8

About

Wolf Climate Control ISM8 connects Wolf heating systems to Home Assistant through the ISM8 network module. It works locally and exposes the datapoints that the ISM8 delivers over the network, and some of these can be written to. Entities appear as binary sensors, buttons, dates, numbers, selects, sensors, switches and times. Supported parts include heating units, direct and mixed heating circuits, a cascading module, a solar module, ventilation units, heat pumps and a controller. Setup runs in the UI, where the host and port the integration listens on are entered and only the devices actually installed are ticked, so others are not created.

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Supports

  • Works locally Talks to your devices on your own network. No vendor cloud in between.

  • From the Marketplace Installed through the Marketplace, formerly HACS.

  • Actively maintained Its author released or pushed a change in the last six months.

Provides

  • Switches
  • Sensors

Setting it up

Install it from the Marketplace and restart Home Assistant, then add it under Settings, Devices and services.

WOLF ISM8i Connector

  • Host
  • Port

Select WOLF devices

  • Heating unit 1: TOB, CGB-2, MGK-2, COB-2, TGB-2
  • Heating unit 2: TOB, CGB-2, MGK-2, COB-2, TGB-2
  • Heating unit 3: TOB, CGB-2, MGK-2, COB-2, TGB-2
  • Heating unit 4: TOB, CGB-2, MGK-2, COB-2, TGB-2
  • System controller
  • Direct Heating/WarmWater
  • Mixed heating circuit 1
  • Mixed heating circuit 2
  • Mixed heating circuit 3
  • Cascading module
  • Mixing module 1
  • Mixing module 2
  • Mixing module 3
  • Solar module SM
  • Ventilation: CWL-300 / CWL-2

Also asked when changing the connection.

Texts from the code of marcschmiedchen/home-assistant-wolf_ism8.

Shows in Vulpo

Quick Toggle card, Button card, Select card, Chart card, Apple Watch, Control Center.

Information

Installs
73 sharing analytics
GitHub stars
60
Connection
Works locally
Upkeep
Updated in the last 6 months
Version
v4.5,
Category
Climate
Kind
Marketplace integration
Needs
Needs the Marketplace (HACS on 2026.10 and older)
Domain
wolf

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Independent directory, made by the developer of Vulpo. Not affiliated with Home Assistant or the Open Home Foundation. About these numbers