Climate

Wolf SmartSet Service

wolflink

Built inCloud polling

The Wolf SmartSet Service integration uses the Wolf Smart-Set web service as a source to fetch the status of your Wolf heating, heat pump, and solar thermal systems.

Documentation Source code

In Apple Home through HomeKit Bridge

What HomeKit Bridge makes of each kind of entity this integration creates, read from its source code. A device only gets the ones that apply to it.

Entity	Shows up as	Note
`sensor`	Sensor (temperature)

What people report

Wolf SmartSet is cloud-based and read-only, supporting only heating setups. Ventilation units like CWL2 and CWL-300 fail to set up.

Works4
Won’t be supported1

Device	In Home Assistant	What they said	Source
Wolf ISM7 / Link Home with CGB-2 gas heater	Works Cloud	Listed as supported Saved copy Supported devices: Wolf Link Home Pro connected to a FGB-28 device; Wolf ISM7e / Link Pro connected to a COB-20 device; Wolf ISM7 (HW v1.0, SW v2.10.47) connected to a CGB-2-14 device; Wolf ISM7 / Link Home connected to a CGB-2 device (gas heater). Excerpt saved from home-assistant.io on 2026-10-23.	Docs
Wolf ISM7 with CGB-2-14	Works Cloud	Listed as supported Saved copy Supported devices: Wolf Link Home Pro connected to a FGB-28 device; Wolf ISM7e / Link Pro connected to a COB-20 device; Wolf ISM7 (HW v1.0, SW v2.10.47) connected to a CGB-2-14 device; Wolf ISM7 / Link Home connected to a CGB-2 device (gas heater). Excerpt saved from home-assistant.io on 2026-10-23.	Docs
Wolf ISM7e / Link Pro with COB-20	Works Cloud	Listed as supported Saved copy Supported devices: Wolf Link Home Pro connected to a FGB-28 device; Wolf ISM7e / Link Pro connected to a COB-20 device; Wolf ISM7 (HW v1.0, SW v2.10.47) connected to a CGB-2-14 device; Wolf ISM7 / Link Home connected to a CGB-2 device (gas heater). Excerpt saved from home-assistant.io on 2026-10-23.	Docs
Wolf Link Home Pro with FGB-28	Works Cloud	Listed as supported Saved copy Supported devices: Wolf Link Home Pro connected to a FGB-28 device; Wolf ISM7e / Link Pro connected to a COB-20 device; Wolf ISM7 (HW v1.0, SW v2.10.47) connected to a CGB-2-14 device; Wolf ISM7 / Link Home connected to a CGB-2 device (gas heater). Excerpt saved from home-assistant.io on 2026-10-23.	Docs
Wolf CWL2-400 ventilation unit	Won’t be supported Cloud	Only heating devices supported; setup fails, integration is view-only Saved copy The problem Hi ! My WolfLink Integration with CWL2-400 does not work: "Fehler beim Einrichten: Überprüfe die Protokolle" see log attached Setup: ISM7i, BM-2, CWS2-400 With iobroker and the Wolf App the Connection is fine. With HA it never worked, even when iobroker and App are disconected. Thank you ! This is the Error. see Full Log attached with redacted tokens. `2024-06-23 09:58:58.554 ERROR (MainThread) [homeassistant.config_entries] Error setting up entry Wolflink for wolflink Traceback (most recent call last): File "/usr/src/homeassistant/homeassistant/config_entries.py", line 594, in … Excerpt saved from GitHub on 2026-10-23.	Issue #120227 · 2024-06

Gathered from GitHub issues, pull requests, discussions and docs, and from r/homeassistant. These are individual reports, so check the linked thread and the date before you buy.

How it connects

Cloud polling

Goes through the maker’s cloud, asking it for updates every so often. Needs the internet and an account.

Details

Installs (analytics)	792 (0.11%)
Quality scale	Bronze
Added in	Home Assistant 0.114
Set up in the UI	Yes
Maintainers	@adamkrol93, @EnjoyingM

Devices listed in its documentation

Wolf Link Home Pro connected to a FGB-28 device
Wolf ISM7e / Link Pro connected to a COB-20 device
Wolf ISM7 (HW v1.0, SW v2.10.47) connected to a CGB-2-14 device
Wolf ISM7 / Link Home connected to a CGB-2 device (gas heater)

In ReReHome

Whatever HomeKit Bridge shares reaches Apple Home as normal HomeKit accessories behind your Home Assistant bridge, so ReReHome shows and controls them like any other.

Bridges get their own settings page listing the accessories behind them.