During September 2025, Piotr enhanced the home-assistant/core and home-assistant/frontend repositories by introducing support for MCF (1000 Cubic Feet) as a volume unit across both backend and frontend systems. He implemented end-to-end changes using Python and TypeScript, ensuring that the new unit was integrated from the data model through to the user interface. This work expanded the system’s ability to record, analyze, and display energy data with improved accuracy and flexibility. By coordinating API integration, frontend development, backend development, and unit testing, Piotr addressed unit conversion gaps and established broader, more consistent unit coverage for energy metrics.