LineMetrics is the leading monitoring solution for existing buildings and any other asset, providing real-time data monitoring that supports the user in tracking and documenting the relevant data in existing buildings, enabling them to save costs, prevent defects, and fulfill legal requirements. The platform is easily expandable and compatible with customary sensors, and can be set up within a day in existing buildings without further IT knowledge. The solution addresses the problem of building systems being accountable for a large share of construction and maintenance costs, and buildings being responsible for over 40% of CO2 emissions, by making real-time data monitoring in existing buildings possible and realizing cost and time savings.