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| Heating, Air Conditioning and Refrigeration Technician The Heating, Air Conditioning and Refrigeration Technician program is recognized by the Air Conditioning Contractors of America, St. Louis Chapter, and the U.S. Department of Labor, Office of Apprenticeship, as a school qualified to teach the related instruction for their registered apprenticeship programs. American Trade School’s HVAC/R program consists of six consecutive ten week terms for a total of sixty weeks (14 months) in length. Classes meet Monday through Thursday from 8:30am – 1:00pm or 6:00 – 10:30pm. |
| ELECTRICITY: 10 weeks – 12 Quarter Credit Hours Electricity is found in every unit with which the HVAC/R servicer/installer will come in contact, and is a fundamental concept that must be understood thoroughly, even for entry-level positions. This term provides electrical theory and hands-on lab projects as applied in the HVAC/R industry. The focus is on safety, hand-tools, energy sources, meter use, circuits, ohms law, magnetic theory, transformers, single and three-phase electricity, wiring diagrams and troubleshooting. INTRODUCTION TO REFRIGERATION: 10 weeks – 12 Quarter Credit Hours The refrigeration cycle and its components, which are the backbone of all air conditioning and refrigeration systems, are taught during this term. The theory and hands-on lab projects of refrigeration as it applies in the HVAC/R industry will be covered thoroughly. Focus is on safety, hand-tools, recovery, flaring, swaging, brazing, theory of temperature, matter and energy, refrigeration cycle, refrigerants, evacuations, charging systems, and domestic systems. The EPA Section 608 certification test is administered at the end of this term. AIR CONDITIONING: 10 weeks – 12 Quarter Credit Hours Providing a comfortable environment in hot weather is another job of the HVAC/R technician. During this term, the focus will be on indoor air comfort, psychometrics, and the refrigeration cycle. Also, installation, controls, typical operating conditions, troubleshooting, maintenance, air-to-air heat-pumps and geothermal heat-pumps will be covered. HEATING: 10 weeks – 12 Quarter Credit Hours People expect to be comfortable in cold weather and it is the job of the HVAC/R technician to install, maintain and service heating equipment. This term provides the theory and hand-on lab projects to help understand the different types of heating units, (gas, oil, electric, heat pumps, etc.) and the functions, maintenance, and repair of each type of system. RESIDENTIAL AND LIGHT COMMERCIAL INSTALLATION: 10 weeks – 12 Quarter Credit Hours Many contractors specialize in installation of heating and air conditioning units. This term provides theory and hands-on lab projects to give students the fundamental skills necessary to be an HVAC installer. The focus is on load calculations, flue pipe and gas line sizing, sheet metal fabrication, installation and start-up procedures of HVAC equipment, as well as the operation and installation of indoor air quality products. BOILERS AND PIPING: 10 weeks – 12 Quarter Credit Hours Boiler systems are a prominent heat source in almost every region in the United States. Technicians install and maintain residential and light commercial hydronic systems. This term provides the theory and hands-on projects necessary to expose the student to common practices in the area of boilers and piping. The focus is on the boiler’s main components, circulation pumps, system design, terminal units, pipe sizing, sizing fittings, system friction, sizing the circulator pump, accessories, controls, preventive maintenance, and troubleshooting. |
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| 3925 Industrial Drive St. Ann, Missouri 63074 U.S.A. (314) 423-1900 Phone (314) 423-1911 Fax |
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| New Classes Start Every 10 Weeks! |
| Morning and Evening Classes! |
| Hands-On Training! |
| Affordable Tuition! |
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