Certified HVAC Technician Equipment Office equipment (e.g., computer, copier), Hand tools (e.g., hammer, shovel, screwdriver), Power tools (e.g., radial saw, reciprocating saw, drill, pneumatic hammer), Vehicles (e.g., automobile, truck, tractor, forklift). Repairs and calibrates pneumatic and electric controls, variable frequency drives, connecting pipes, valves, dampers, actuators, air compressors and refrigeration dryers.