Over 8 hours of video instruction. Learn how to read blueprints. Includes 3 practice exams. Explore different HVAC systems and various piping materials used in commercial projects, including VRF systems, Chiller Plants and Boiler Rooms. Learn how to do a piping material takeoff and much more, including carbon steel, refrigerant piping. Take the final exam and enhance your experience by earning the 'Certified HVAC Piping Estimator' (CPE) designation.