Tools and instruments - Heat pumps and hot air furnaces -- Ventilation requirements -- Refrigeration -- Refrigerants : old and new -- Solenoids and relays -- Electric motors -- Condensers -- Compressors -- Evaporators -- Controlling refrigerants : valves, tubing, filters -- Complying with the Section 806 refrigerant recycling rule -- Programming thermostats -- Control devices -- Insulating pipes and tubing -- Electrical safety -- Temperatures, thermometers, and psychrometrics -- Troubleshooting -- Solid state controls -- Electrical and electronic symbols used in schematics
Equipment and supplies maintenance and repair ، Heating
Equipment and supplies maintenance and repair ، Air conditioning
Equipment and supplies maintenance and repair ، Ventilation