About
Bosch thermostat is a custom integration that connects Bosch heating thermostats and controllers to Home Assistant. It adds climate, water heater, switch, select, number and binary sensor entities, and sensors are disabled by default until they are enabled on the device page. Two connection protocols are supported: HTTP talks to the device locally and is available only for IVT devices, while XMPP goes through the Bosch cloud. Supported hardware includes IVT models such as RC300, RC200 and RC35, Nefit-type controllers such as the Junkers CT100, and Easycontrol devices such as the Bosch CT200. Options cover the scan interval, a newer statistics API and an optimistic mode for setting the Easycontrol operation mode. Setup is done in the UI, and the device can also be discovered on the network.
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Supports
Uses the vendor's cloud Needs an internet connection and an account with the vendor.
Found by itself Home Assistant spots it on the network and offers to add it.
From the Marketplace Installed through the Marketplace, formerly HACS.
Actively maintained Its author released or pushed a change in the last six months.
Provides
- Climate
- Water heaters
- Switches
Setting it up
Install it from the Marketplace and restart Home Assistant, then add it under Settings, Devices and services.
Choose device type.
- Choose type of your device.
Bosch thermostat HTTP config
- IP address
- Access token
- Password
Bosch thermostat XMPP config
- Serial number of device
- Access token
- Password
Bosch IVT Protocol. HTTP is local. XMPP is cloud!
- Either http or xmpp
After setup
- Use new statistic API
- Use optimistic mode for some functions (currently Easycontrol Operation mode set).
- Scan interval (seconds)
Texts from the code of bosch-thermostat/home-assistant-bosch-custom-component.
From the README
HA custom component for Bosch thermostats.
Hi, I'm looking for help to make this component better
Shows in Vulpo
Quick Toggle card, Climate card, Select card, Apple Watch, Control Center, Climate Live Activity.Information
- Installs
- 1.5k sharing analytics
- GitHub stars
- 319
- Connection
- Uses the vendor's cloud
- Upkeep
- Updated in the last 6 months
- Version
- v0.28.2,
- Category
- Climate, Thermostats and heating
- Kind
- Marketplace integration
- Brand
- Bosch
- Needs
- Needs the Marketplace (HACS on 2026.10 and older)
- Domain
bosch- Issues
- Report an issue













