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Viessmann ViCare in Home Assistant

vicare part of Home Assistant since 0.99

Cloud, polling Set up in the user interface

Viessmann ViCare is an official Home Assistant integration for Climate, Fan, Select and Water heater. Works through the manufacturer’s cloud and asks for changes at regular intervals – it depends on the internet connection and the service.

Facts about this integration

Compatible with Home Assistant
yes, official integration
Connection
Cloud, polling – Works through the manufacturer’s cloud and asks for changes at regular intervals – it depends on the internet connection and the service.
Setup
in the user interface
Kind
Hub – several devices through one gateway or account
Installations
6,026 (0.9 % of the installations that share statistics)
Categories
Climate, Fan, Select, Water heater
Provides
Binary sensor, Button, Climate, Diagnostics, Fan, Number, Select, Sensor, Water heater
Found automatically via
Network discovery (DHCP)
Maintained by
@CFenner, @lackas
Python packages
PyViCare==2.62.1

Setup

  1. Home Assistant can find this integration on its own: if it is suggested under Settings → Devices & services, confirm it there.
  2. In Home Assistant open Settings → Devices & services.
  3. Click "Add integration" and search for Viessmann ViCare.
  4. Follow the dialog – it asks for everything the integration needs.

Add to my Home Assistant

The link goes through my.home-assistant.io and opens the setup dialog in your own instance – no address of ours is involved.

Known issues and fixes

9 open issues and 23 bug fixes in the last twelve months are recorded for Viessmann ViCare in the Home Assistant issue tracker. If something does not work, update first: the most recent fix shipped with Home Assistant 2026.9.2.

Open

  • open Reported problem #130273 since November 10, 2024 · 6 reactions · 231 comments · #130273
  • open Reported problem #153184 since September 29, 2025 · 2 reactions · 31 comments · #153184
  • open Reported problem #156160 since November 8, 2025 · 1 reaction · 9 comments · #156160
  • open Reported problem #174390 since June 21, 2026 · 0 reactions · 13 comments · #174390
  • open Reported problem #176007 since July 8, 2026 · 0 reactions · 6 comments · #176007
  • open Reported problem #165031 since March 7, 2026 · 0 reactions · 5 comments · #165031
  • open Reported problem #182286 since September 15, 2026 · 0 reactions · 2 comments · #182286
  • open Reported problem #181876 since September 10, 2026 · 0 reactions · 2 comments · #181876

Fixed

Source: the issue tracker of Home Assistant, as of September 16, 2026. The sentences are written by a language model from the titles of the issues; the reports themselves are on GitHub.

Check a specific device for known problems in the product check →

Source of this entry: the official documentation of the integration

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