Level 1: Trade Mathematics; Copper and Plastic Piping Practices; Soldering and Brazing; Basic Electricity; Cooling; Heating; and Air Distribution Systems.
Level 2: Commercial Airside Systems; Chimneys, Vents and Flues; Hydronic Systems; Air Quality Equipment; Basic Electronics; Heat Pumps; Basic Installation and Maintenance Practices; Sheet Metal Duct Systems; and Fiberglass and Flexible Duct Systems.
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