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HVAC Technician: Online Diploma

Find out about HVAC courses and in which online training programs they're most commonly offered. Get course descriptions, program info and career data to make an informed decision.

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Essential Information

HVAC (heating, ventilation and air conditioning) technician training programs are hard to find in an entirely online format given the hands-on nature of the job. Only a few such programs exist. These are offered at the undergraduate level and award only a certificate or diploma upon graduation. Nevertheless, those who complete the program are taking the first step to becoming a certified HVAC mechanic or installer.

Information and Requirements

Most online HVAC programs are self-paced, so students can generally earn a technician diploma within a year. Training materials and exam registration expenses are often included in the cost of tuition.

Common Courses

Online diploma programs in HVAC technology cover a variety of concepts. Students learn about HVAC tools and controls; electrical theories; safety procedures and much more. Common courses include the following:

Introduction to HVAC Maintenance

Coursework comprises the fundamentals of servicing HVAC systems. Lessons involve pipe configurations; calibration instruments; and mathematics as relevant to maintenance issues.

HVAC Controls

Students are taught how to measure air quality, voltage and resistance. They also learn troubleshooting techniques for dealing with automated controls.

Residential Systems

Coursework includes installing and regulating gas/oil and electrical heating and air conditioning systems. Basically, students learn the ins and outs of controlling indoor air comfort.


Career Information

The U.S. Bureau of Labor Statistics (BLS) predicted 14% job growth rate for HVACR (HVAC plus refrigeration) mechanics and installers over the decade spanning 2014-2024 (www.bls.gov). HVACR mechanics and installers earned a median annual salary of $45,110 in May 2015, reported the BLS.

Continuing Education

Students may further their education in HVAC technology in a number of ways. For instance, one could pursue an HVACR technician diploma which includes courses in refrigeration. This program prepares future mechanics and installers for government mandated certification. Certification from the U.S. Environmental Protection Agency is required of any HVAC technicians who work with refrigerants.

Another option for continuing education is an HVACR associate's degree. An associate's program requires about two years to complete.

In online HVAC diploma programs, aspiring technicians learn about the installation and maintenance of heating, ventilation and air conditioning systems. Graduates can choose to continue their education by enrolling in an HVACR diploma or associate's degree program, and then pursue required HVACR certification.

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