Homey, accessible via the website https://www.energieheld.de/, is a German company specializing in energy efficiency solutions and services designed to enhance the sustainability of homes and buildings. Their expertise includes providing comprehensive advice, planning, and implementation of energy-saving measures, such as insulation, heating system upgrades, and renewable energy installations like solar panels. Homey's focus is on both reducing energy costs for property owners and minimizing environmental impact, aligning with broader goals of energy conservation and sustainability. Their platform offers users a blend of information, tools, and personalized consultation, making it easier for homeowners to make informed decisions and undertake relevant upgrades to improve their energy efficiency.