3.00 Credits
This course is designed for students who plan a career in the HVAC industry. This course covers safety, duct take-off, duct support systems, installation techniques, duct design, sizing and layout, blueprint reading, and venting of heating appliances. Upon successful completion of this course, students should be able to: Read a blueprint; Perform oblique drawings of a duct system; Know the difference between supply air and return air duct systems; Identify the different types of duct hangers, clamps, and connectors; Identify the need for duct reducers; Identify various duct sealing techniques; Cut a perfect 10-inch diameter hole in a duct; Connect various duct fittings; Make branch connections; Properly install flexible duct; Install flexible connectors; Perform an air test and balance; Apply external duct insulation; Apply and repair duct liner; Install grilles, registers and diffusers; Identify NFPA-54 guidelines for venting gas fired heating appliances; Identify NFPA-31 guidelines for venting oil fired heating appliances; Identify NFPA-58 guidelines for venting propane/LP gas fired appliances.
Prerequisite:
HVA 108