Alternating Current: Covers transformers, single-phase & three-phase power distribution, capacitors, the theory & operation of induction motors, & the instruments and techniques used in testing AC circuits & components. Also reviews electrical safety.
Compressors: Explains operating principles of compressors used in comfort air conditioning & refrigeration systems. Includes installation, service, & repair procedures.
Refrigerants and Oils: Covers characteristics & applications of pure & blended refrigerants, & provides extensive coverage of lubricating oils used in refrigeration systems.
Leak Detection, Evacuation, Recovery & Charging: Covers the entire basic refrigerant handling & equipment servicing procedures that a technician must know in order to service HVAC systems in a manner that is safe for the environment.
Metering Devices: Covers the operating principles, applications, installation, & adjustment of fixed & adjustable expansion devices used in air conditioning equipment.
Heat Pumps: Covers the principles of reverse cycle heating. Describes the operation of heat pumps & explains how to analyze heat pump control circuits. Includes heat pump installation & service procedures. 21 hours.
Basic Maintenance: Covers information related to maintenance-oriented materials, as well as guidelines for the inspection and periodic maintenance of various systems & accessories. Also covers the application of gaskets & seals, as well as the adjustment of different types of belt drives. Includes information on inspection & maintenance requirements for selected equipment.
Chimneys, Vents, & Flues: Covers the principles of venting fossil fuel furnaces & methods for selecting and installing vent systems for gas-fired heating equipment.
Sheet Metal Duct Systems: Covers layout, fabrication, installation, & insulation of sheet metal ductwork. Also includes selection & installation of registers, diffusers, dampers, & other duct accessories.
Fiberglass and Flexible Duct Systems: Covers the layout, fabrication, installation, & joining of fiberglass ductwork & fittings. Describes the proper methods for attaching & supporting flex duct.
Commercial Airside Systems: Describes the systems, equipment, & operating sequences commercial airside system configurations such as constant volume single-zone & multi-zone, VVT, VAV, and dual-duct.
Air Quality Equipment: Covers principles, processes, & devices used to control humidity & air cleanliness, as well as devices used to conserve energy in HVAC systems.
Introduction to Hydronic Systems: Introduces hot water heating systems, focusing on safe operation of the low-pressure boilers & piping systems in residential applications.
EPA Section 608 Review and Test: Intended to prepare technicians for the certification test. Required by Section 608 of the Federal Clean Air Act.