NATE Air Distribution Installation case studies
NATE Air Distribution Installation · Put your knowledge to work in context.
The NATE Air Distribution Installation certification is a specialty credential for technicians who build and assemble the duct systems that carry conditioned air from equipment to occupied rooms. It is aimed at installers and apprentices who already understand basic sheet metal work, flex duct, and job-site safety, and who want third-party validation of that skill set for employers, contractors, and customers. The exam samples the full installation workflow: jobsite safety and tool use, duct design fundamentals and load considerations, materials and fabrication, assembly and support of duct runs, air devices and balancing dampers, sealing and insulation with vapor control, testing and commissioning, and the codes and documentation that govern the work. Expect multiple-choice items that mix field scenarios with code and standard references, so memorizing definitions alone will not carry you. The NATE Air Distribution Installation case studies are 5 cases and about 2,314 words.
1Rooftop Crane Lift with a Corroded Curb
A crew is replacing a 5-ton packaged rooftop unit and supply plenum on a two-story, 28-ft office building. The crane is scheduled for 7:00 a.m., and the forecast calls for sustained wind at 18 mph with gusts to 28 mph.
491 words, about 2 min2Available Static Pressure vs. Flex Duct Equivalent Length
A residential contractor is checking a 3-ton air handler rated at 0.60 in. external static pressure at 1,200 cfm.
492 words, about 2 min3Ductboard Trunk in a Humid Attic
A contractor is building a 30-ft supply trunk from 1-in. ductboard in a vented attic in a hot-humid climate.
467 words, about 2 min4Balancing a Branch Without Starving the Fan
A technician is balancing a 4-ton rooftop unit serving ten ceiling diffusers in a small office. The design airflow is 1,600 cfm at 1.0 in.
440 words, about 2 min5Duct Leakage Test Failure at Rough-In
At rough-in, a 240-ft² rectangular galvanized supply duct system is pressure-tested at 1.0 in. in accordance with the project specification.
424 words, about 2 min