Duct takeoff services are essential for quantifying and measuring the materials needed for installing HVAC duct systems in a building. These services involve assessing blueprints, technical drawings, and specifications to calculate the quantity of ducts, fittings, hangers, and other associated materials. The service focuses on providing detailed estimates for sheet metal ducts and mec... https://ptc.org.vn/blogs/6384/The-Importance-of-Duct-Takeoff-Services-in-HVAC-Projects