Lun is a technology company that provides tools for automating the creation of heat load reports using advanced 3D scanning technology. Their platform allows users to capture accurate measurements of building spaces through LIDAR technology, enabling quick and precise DIN-compliant energy calculations. Lun's offerings are designed to make the process of creating heat loss reports fast and efficient, helping users manage hydronic balancing and track energy data effectively. The company provides solutions for local installers, energy advisors, and home surveyors to enhance their workflows in measuring buildings and managing energy calculations.