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Online HVAC/R Heating - Ventilation
Air Conditioning - Refrigeration Training Schools

HVAC/R Training: 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.
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Featured Schools that Offer Online Training in HVAC/R

The following schools offer accredited online HVAC/R training.

All State Career - CDL Divison
Vatterott College
Brownson Technical School Lincoln Technical Institute
Penn Foster College
YTI Career Institute

HVAC/R
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.

Refrigeration 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.

When heating, air-conditioning, and refrigeration mechanics service equipment, they must use care to conserve, recover, and recycle chlorofluorocarbon (CFC), and hydrochlorofluorocarbon (HCFC) refrigerants used in air-conditioning and refrigeration systems. The release of CFCs and HCFCs contributes to the depletion of the stratospheric ozone layer, which protects plant and animal life from ultraviolet radiation. Technicians conserve the refrigerant by making sure that there are no leaks in the system; they recover it by venting the refrigerant into proper cylinders; and then 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.

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.

Employment
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.

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.

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Featured Schools
Ashworth-College-logo
More Schools
Ashworth College - Featured
Heating and Air Conditioning
All State Career - CDL Divison
Heating, Ventilation, Air Conditioning and Refrigeration
All-State Career Health Division
HVAC
Allied Medical & Technical Institute
Heating, Ventilation, Air Conditioning and Refrigeration (HVAC)
Ashworth College
Heating and Air Conditioning
Bohecker College
HVAC/R
Brownson Technical School
HVAC Technician
Central Florida College
HVAC/R
Everest University
Electrician
Fortis College
Heating, Ventilation, Air Conditioning and Refrigeration
Institute of Technology
Heating, Ventilation and Air Conditioning
Lincoln College of Technology
Heating, Ventilation, and Air Conditioning (HVAC)
Lincoln Technical Institute
Heating, Ventilation, and Air Conditioning (HVAC)
Lincoln Technical Institute Formerly Baran Institute of Technology
HVAC Technician
Medix
HVAC
Miller Motte Technical College
AAS in HVAC & Refrigeration
New England Institute of Technology
Associate's Degree - Heating Technology
Penn Foster Career School International
HVAC Technician
Penn Foster College
HVAC Technician
Remington College
Heating Ventilation and Air Conditioning
RETS College
Heating, Ventilation, Air Conditioning, and Refrigeration
San Joaquin Valley College
Associate - Heating, Ventilation, Air Conditioning, and Refrigeration
Sullivan College of Technology and Design
Heating, Air-Conditioning, Ventilation and Refrigeration (HVAC-R) Technology
Tri-State Institute
Heating, Ventilation, Air Conditioning & Refrigeration
Vatterott College
Heating, Air Conditioning, & Refrigeration
Vatterott Education Center
Heating, Air Conditioning, and Refrigeration
WyoTech
Residential Heating, Ventilation, Air Conditioning
YTI Career Institute
Diploma in Heating/Air Conditioning & Refrigeration Technology
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