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This HVAC Technician's Handbook is ideal for use as a quick reference. It is small enough to fit into a tool kit so that it can be carried on the job, and includes practical information you may need to look up. For example, how many GPM can lX" pipe normally handle? How many CFM will a particular duct deliver? This HVAC Technician's Handbook is for technicians in all fields of the HVAC industry, including duct fabricators, duct installers, TAB (testing, adjusting, and balancing) technicians, IAQ (indoor air quality) technicians, energy management technicians, service technicians, and others who work with HVAC systems. It is not intended to provide the precise calculations needed for design work.