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Index : HVAC/R Installers | Job Outlook | Refrigeration | Significant Points


This Page Contains  A Dramatic Information Resource About HVAC/R Heating Ventilation Air-Conditioning - Refrigeration mechanics install, service, and repair heating ventilation and air-conditioning systems in both residences and commercial establishments. Students will learn to follow blueprints or other specifications to install repair and maintain all types of heating, air conditioning, furnace heating equipment for oil, gas, electric, solid-fuel, and multiple-fuel heating systems.

HVAC/R Heating, Air-Conditioning, and Refrigeration Mechanics and Installers

Significant Points

Opportunities should be very good for mechanics and installers with technical school or formal apprenticeship training.
Mechanics and installers need a basic understanding of microelectronics because they increasingly install and service equipment with electronic controls.

HVAC/R Installers

What would those living in Chicago do without heating, those in Miami do without air-conditioning, or blood banks all over the country do without refrigeration? Heating and air-conditioning systems control the temperature, humidity, and the total air quality in residential, commercial, industrial, and other buildings. Refrigeration systems make it possible to store and transport food, medicine, and other perishable items. Heating, air-conditioning, and refrigeration mechanics and installers also called technicians install, maintain, and repair such systems.

Heating, air-conditioning, and refrigeration systems consist of many mechanical, electrical, and electronic components such as motors, compressors, pumps, fans, ducts, pipes, thermostats, and switches. In central heating systems, for example, a furnace heats air that is distributed throughout the building via a system of metal or fiberglass ducts. Technicians must be able to maintain, diagnose, and correct problems throughout the entire system. To do this, they adjust system controls to recommended settings and test the performance of the entire system using special tools and test equipment.

although they are trained to do both, technicians often specialize in either installation or maintenance and repair. Some specialize in one type of equipment for example, oil burners, solar panels, or commercial refrigerators. Technicians may work for large or small contracting companies or directly for a manufacturer or wholesaler. Those working for smaller operations tend to do both installation and servicing, and work with heating, cooling, and refrigeration equipment.

Heating and air-conditioning mechanics install, service, and repair heating and air-conditioning systems in both residences and commercial establishments. Furnace installers, also called heating equipment technicians, follow blueprints or other specifications to install oil, gas, electric, solid-fuel, and multiple-fuel heating systems. Air-conditioning mechanics install and service central air-conditioning systems. After putting the equipment in place, they install fuel and water supply lines, air ducts and vents, pumps, and other components. They may connect electrical wiring and controls and check the unit for proper operation. To ensure the proper functioning of the system, furnace installers often use combustion test equipment such as carbon dioxide and oxygen testers.

After a furnace has been installed, heating equipment technicians often perform routine maintenance and repair work to keep the system operating efficiently. During the fall and winter, for example, when the system is used most, they service and adjust burners and blowers. If the system is not operating properly, they check the thermostat, burner nozzles, controls, or other parts to diagnose and then correct the problem.

During the summer, when the heating system is not being used, heating equipment technicians do maintenance work, such as replacing filters, ducts, and other parts of the system that may accumulate dust and impurities during the operating season. During the winter, air-conditioning mechanics inspect the systems and do required maintenance, such as overhauling compressors.


This mechanics install, service, and repair industrial and commercial refrigerating systems and a variety of refrigeration equipment. They follow blueprints, design specifications, and manufacturers' instructions to install motors, compressors, condensing units, evaporators, piping, and other components. They connect this equipment to the ductwork, refrigerant lines, and electrical power source. After making the connections, they charge the system with refrigerant, check it for proper operation, and program control systems.

ChloroFluroCarbon (CFC) and hydrochloroflurocarbon refrigerants are used with care while heating, air-conditioning, and refrigeration mechanics service equipments.Inturn The CFSs if released in stratosphere will lead ozone holes ,depletion of ozone layer which protects plant and animal life from ultraviolet radiation.Technicians normally follow safe methods in order to avoid refrigerant leakages , they recover it by venting the refrigerant into proper cylinders; and they recycle it for reuse with special filter-dryers.

Heating, air-conditioning, and refrigeration mechanics and installers are adept at using a variety of tools, including hammers, wrenches, metal snips, electric drills, pipe cutters and benders, measurement gauges, and acetylene torches, to work with refrigerant lines and air ducts. They use voltmeters, thermometers, pressure gauges, manometers, and other testing devices to check air flow, refrigerant pressure, electrical circuits, burners, and other components.

New technology, in the form of cellular "Web" phones that allow technicians to tap into the Internet, may soon affect the way technicians diagnose problems. Computer hardware and software have been developed that allows heating, venting, and refrigeration units to automatically contact the maintenance establishment when problems arise. The maintenance establishment can then notify the mechanic in the field via cellular phone. The mechanic can then access the Internet to "talk" with the unit needing maintenance. While this technology is cutting-edge and not yet widespread, its potential for cost-savings may spur its acceptance.

Other craft workers sometimes install or repair cooling and heating systems. For example, on a large air-conditioning installation job, especially where workers are covered by union contracts, ductwork might be done by sheet metal workers and duct installers; electrical work by electricians; and installation of piping, condensers, and other components by pipelayers, plumbers, pipefitters, and steamfitters. Home appliance repairers usually service room air conditioners and household refrigerators.

Job Outlook

Job prospects for highly skilled heating, air-conditioning, and refrigeration mechanics and installers are expected to be very good, particularly for those with technical school or formal apprenticeship training to install, remodel, and service new and existing systems. In addition to job openings created by employment growth, thousands of openings will result from the need to replace workers who transfer to other occupations or leave the labor force.

Employment of heating, air-conditioning, and refrigeration mechanics and installers is expected to increase faster than the average for all occupations through the year 2010. As the population and economy grow, so does the demand for new residential, commercial, and industrial climate-control systems. Technicians who specialize in installation work may experience periods of unemployment when the level of new construction activity declines, but maintenance and repair work usually remains relatively stable. People and businesses depend on their climate control systems and must keep them in good working order, regardless of economic conditions.

Renewed concern for energy conservation should continue to prompt the development of new energy-saving heating and air-conditioning systems. An emphasis on better energy management should lead to the replacement of older systems and the installation of newer, more efficient systems in existing homes and buildings. Also, demand for maintenance and service work should increase as businesses and home owners strive to keep systems operating at peak efficiency. Regulations prohibiting the discharge of CFC and HCFC refrigerants took effect in 1993, and regulations banning CFC production became effective in 2000. Consequently, these regulations should continue to result in demand for technicians to replace many existing systems, or modify them to use new environmentally safe refrigerants. In addition, the continuing focus on improving indoor air quality should contribute to the growth of jobs for heating, air-conditioning, and refrigeration technicians. Also, growth of business establishments that use refrigerated equipment such as supermarkets and convenience stores will contribute to a growing need for technicians.


Document Keywords :  Mechanics , Air conditioning Mechanics ,Refrigeration


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Heating and Air Conditioning HVAC
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Campus Programs Here
Arizona Automotive Institute
Campus is located in Glendale Arizona offering Air Conditioning programs. offering HVAC/R Training.
ATI Technical Training Center is located in Dallas, Texas and offering Heating & Refrigeration, Welding, and Machine Trades programs.
ATI Career Training Center is located in Miami, FL offering Electronics and Heating & Refrigeration degree.
Ayers Institute is located in Shreveport, Louisiana, offering Heating & Refrigeration degree.
Bay State School of Technology is located in Canton, MA., offering Electrician & Energy Trades and Heating & Refrigeration courses.
Brownson Technical School
Accepts Students from USA, Canada and Mexico Largest HVAC/R School in Southern CA.
CHI Institute is located in Broomall, Pennsylvania offering Electrician and Heating & Refrigeration degree.
Connecticut School of Electronics is located in Watertown, Connecticut offering HVAC programs.
Institute for Business and Technology is located in Santa Clara, Ca offering Commercial Refrigeration, Heating and Air Conditioning programs.
IntelliTec College is located in Colorado Springs, Colorado offering Refrigeration Air Conditioning-HVAC.
Lincoln Tech has (8) campuses in IL., IN., MD., NJ., PA., and TX., and offers Air Conditioning, Refrigeration and Heating Technology degrees.
National Institute of Technology in San Antonio, TX offers Residential Heating Ventilation and Air Conditioning.
New Castle School of Trades is located in Pulaski/New Castle, PA and accepts leads within a 60 mile radius of the zip code 16143 and offers Heating & Refrigeration and Welding & Machine Trades programs.
New England Technical Institute is located in New Britain, Connecticut offering Heating and Refrigeration.
Porter and Chester Institute has (5) campuses located in CT. & MA., and offers Heating, Ventilation, Air Conditioning Refrigeration HVAC.
RETS Technical Center is located in Boston, MA offering Refrigeration, Heating, Ventilation and Air Conditioning (R.H.V.A.C.) programs.
San Joaquin Valley College has (2) campuses, Bakersfield, and Fresno CA offering Heating & Refrigeration.
Technical Career Institute is located in New York, New York, and offers Electrician and Heat & Refrigeration.
Vatterott College has (9) campuses in the Mid West states MO., OH., TN., IL., NB., KS., and offers Electrical Technology, Heating, Air Conditioning & Refrigeration Environmental Systems HVAC degree programs.
Westwood College has (3) campuses Chicago, Denver and Los Angeles and offers Air Conditioning HVAC/R.
Wichita Technical Institute has (2) locations in Wichita, and Topeka, KS., offering a diploma in Heating, Air Conditioning and Refrigeration.
WyoTech in Fremont, CA and offers Heating Ventilation and Air Conditioning HVAC training.
York Technical Institute located in York, PA., offering a diploma in Heating, Air Conditioning and Refrigeration Technology.


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