--- layout: page title: "OpenTherm Gateway Climate" description: "Control your OpenTherm Gateway from Home Assistant." date: 2018-08-29 16:23 sidebar: true comments: false sharing: true footer: true logo: opentherm.png ha_category: Climate ha_release: 0.78 ha_iot_class: "Local Push" --- The `opentherm_gw` climate platform is used to control the [OpenTherm Gateway](http://otgw.tclcode.com/) from Home Assistant. # {% linkable_title Configuration %} Configuration of this platform is achieved through the [OpenTherm Gateway Hub](/components/opentherm_gw/) configuration.

The OpenTherm protocol is based on polling. The thermostat sends requests to the boiler at specific intervals. As a result, it may take some time for changes to propagate between Home Assistant and the thermostat.