Marnix Kloostertje developed PowerClimate brand support for the Home Assistant climate integration, expanding device compatibility within the home-assistant/brands repository. Focusing on brand integration and climate control systems, Marnix contributed clean, well-documented code that enables users to control PowerClimate devices directly through Home Assistant’s climate controls. The implementation involved careful adherence to repository conventions and targeted code changes, ensuring seamless integration without introducing bugs. Although the work was completed over a single month and did not require bug fixes, the contribution deepened Home Assistant’s brand coverage and improved user experience for PowerClimate device owners. The work primarily utilized YAML and Git.