Thermor
Bridge Cozytouch / Bridge 2 Cozytouch
Thermor's Bridge Cozytouch connects its io-homecontrol radiators, towel rails, water heaters, and ventilation to the Cozytouch app, and through the Overkiz integration to Home Assistant. Two generations exist, the wired Bridge Cozytouch (400990) and the Wi-Fi Bridge 2 Cozytouch (400991), and current Wi-Fi appliances skip both.
Works on integrations
Protocols
The first bridge connects to the internet box by cable and the second over Wi-Fi; both then talk io-homecontrol to the appliances and both look identical to Home Assistant. One bridge per home, up to 20 appliances. Compatibility is per appliance rather than per brand: Thermor lists ranges such as the Mythik, Equateur 4, Bilbao 3, Ovation 3, Kenya 4, Ingénio 3, and Emotion 4 radiators, the Symphonik, Allure 3, and Riviera 2 towel rails, and the Aéromax 5 and Aéromax Split 2 water heaters, and an older non-connected appliance needs an Interface Cozytouch fitted before the bridge can see it. Home Assistant gets climate and water heater entities over the Overkiz cloud API; there is no local API for a Cozytouch bridge. The consumption history the Cozytouch app shows in euros and kilowatt-hours is an app feature and not something to promise as a Home Assistant sensor without checking the specific appliance.
Hardware availability
Thermor Cozytouch is cloud only: Home Assistant’s local API covers Somfy and Rexel gateways, not the Cozytouch bridge. Two bridge generations are in the field, the original wired Bridge Cozytouch and the Wi-Fi Bridge 2 Cozytouch, and both appear the same way to Home Assistant. Groupe Atlantic is also moving current ranges off the bridge onto CozyBox and native Wi-Fi, so establish which of the three a house uses before pricing work. Which entities show up depends on the appliance rather than the gateway, so check the model against the Overkiz platform before promising a feature.
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