Development notes Docs: https://aarongodfrey.dev/home%20automation/building_a_home_assistant_custom_component_part_1/ More docs: https://developers.home-assistant.io/docs/core/entity/climate Examples: https://github.com/boralyl/github-custom-component-tutorial/ https://github.com/home-assistant/core/blob/dev/homeassistant/components/ambiclimate