An introduction to gas piping distribution systems which includes an in-depth hands-on course covering: the design, installation, component selection, methods of joining, pressure and leak testing, and the ability to safely work on gas distribution systems. The student designs and installs gas piping distribution systems following relevant codes. Troubleshooting, and steady-state efficiency testing of gas utilization equipment is also introduced. Students must be simultaneously enrolled in HVAC134M. It is recommended that students have successfully completed or are simultaneously enrolled in HVAC101M, HVAC109M and HVAC110M.