Refrigeration Technologies

7 Months

Campus Availability:Jacksonville, FLHouston, TXTulsa, OK

TWS is the right choice

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Over 35,000¹


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Overall Employment Rate

Across All TWS Campus Locations

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Over $9.5 Million

In Scholarships Available

Available scholarship amounts are estimated for the period of 1/1/2022 through 12/31/2022 for the Tulsa, Jacksonville & Houston campuses combined.

The Refrigeration Technologies program trains students in the fundamentals of heating, ventilation, air conditioning and refrigeration technologies (HVAC/R). This hands-on training program prepares HVAC/R students for job opportunities as entry-level positions in refrigeration service and maintenance. Available at Tulsa Welding School in Tulsa, Oklahoma, Tulsa Welding School Jacksonville in Jacksonville, Florida, and Tulsa Welding School & Technology Center in Houston, Texas, the Refrigeration Technologies training program can be completed in as little as seven months.

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Available at Our Tulsa, OK, Jacksonville, FL, & Houston, TX, Campuses

Our expert instructors will train you in the skills necessary to become a valuable refrigeration technician who knows how to maintain and service HVAC and refrigeration equipment.

Here are just some of the in-demandi career opportunities that await you after completing your HVAC/R training:

• Refrigeration technician
• Commercial refrigeration installer/technician
• Commercial transportation refrigeration troubleshooter
• HVAC/R service technician
• HVAC/R installation technician
• Refrigeration service technician
• Low-Temperature field

Employment is Expected to Grow for HVAC/R in the US to 414,400 Jobs by 2031!i

Flexible Class Schedules

Class schedules are available in the morning and evening, depending on the program and campus location. Tulsa Welding School offers flexible schedules whether you are just graduating from high school, changing your career, or transitioning from military to civilian life. We work hard to find the right program and the right schedule to help you succeed. Contact us for more information on upcoming class times and start dates for the Refrigeration Technologies training program.

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  • Employer Partnerships

    Employer Partnerships

    TWS has partnerships with major employers across the United States. Our dedicated Career Services team will be there to support you every step of the way after graduation.

  • The Right Tools for the Job

    The Right Tools for the Job

    When you begin your education at TWS, we provide you with an extensive gear package. You get the high quality professional tools you need to succeed. Ask your Admissions Representative for more information about the gear package for your program.

  • Scholarship Opportunities

    Scholarship Opportunities

    Learn more about what scholarship opportunities are available and how you might qualify for one. Start the process of applying for a scholarship today!

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Upcoming Class Start Dates

Classes StartTulsa, OK08/01/2024
Classes StartJacksonville, FL & Houston, TX08/14/2024
Classes StartTulsa, OK08/29/2024
Classes StartJacksonville, FL & Houston, TX09/12/2024


Tulsa, OK Class Schedules

Morning (M-F) Evening (M-F)
7:30am-12:30pm 6:00pm-11:00pm

Jacksonville, FL Class Schedules

Morning (M-F) Evening (M-F)
7:30am-12:30pm 6:00pm-11:00pm

Houston, TX Class Schedules

Morning (M-F) Afternoon (M-F)
7:30am-12:30pm 12:45pm-6:00pm
OcuWeld HVAC Promo

Students Get a Meta Quest 2 loaded with Access to Interplay Virtual Reality Training!

Train anywhere. Anytime.

Students of the Refrigeration Technologies training program will have the Interplay Learning virtual reality training simulator available to enhance their skills. Interplay simulates the experience of Electrical, HVAC training via VR to help students learn trouble-shooting techniques, even when they’re away from school. A Meta Quest 2 is part of the gear package for this HVAC/R program and Interplay Learning is included as part of the course materials for all students.

Program Courses

Fundamentals of Electricity

This course provides students with a basic understanding of electricity. Instructors will teach schematic wiring, test meter usage and safety processes for handling electrical systems. Students will work with dual voltage systems commonly found in HVAC/R equipment and learn about control circuit wiring and high voltage wiring.


  • 4 Semester Credit Hours
  • 90 Lecture Hours
  • 10 Lab Hours
  • 100 Total Contact Hours
  • 14.5 Outside Prep Hours

Fundamentals of Solar

Students will learn the concepts and processes of photovoltaic systems, including their design and installation, through lectures and hands-on lab exercises. This course also teaches solar energy systems’ conceptual, mechanical and electrical design, as well as wiring and electrical issues that can arise.


  • 4 Semester Credit Hours
  • 60 Lecture Hours
  • 40 Lab Hours
  • 100 Total Contact Hours
  • 9.5 Outside Prep Hours

Fundamentals of Refrigeration

This HVAC/R class teaches students the mechanical and physical properties of the refrigeration cycle. Students will also be introduced to important tools used in the refrigeration industry:

  • Manifold gauge set
  • Vacuum pumps
  • Service wrenches
  • Charging
  • Recovery equipment

Fundamentals of Refrigeration also teaches students the necessary safety precautions to take when handling refrigerant and working in close proximity with rotating machinery.


  • 4 Semester Credit Hours
  • 90 Lecture Hours
  • 10 Lab Hours
  • 100 Total Contact Hours
  • 8 Outside Prep Hours

Comfort Systems – Residential

This HVAC/R course trains students in building schematics and wiring air conditioning and heating systems. Students will also gain experience in working with:

  • Residential split systems
  • Packaged heat pump systems
  • Air conditioners
  • Gas furnaces
  • Evaporative coolers
  • Gas piping, sizing and installation


  • Prerequisite Course(s): HVE100, HVR100
  • 4 Semester Credit Hours
  • 60 Lecture Hours
  • 40 Lab Hours
  • 100 Total Contact Hours
  • 6 Outside Prep Hours

Comfort Systems – Commercial

In this HVAC/R course, students will learn how to safely remove and replace components in residential and HVAC systems like fan motors, fans, electrical components and compressors. They’ll also learn about brazing techniques with oxy/acetylene, refrigerant piping manipulation and air balance.

Students in this course will be tested on R410a. If successful, they will receive an R410a safety certification and EPA section 609 certification.


  • Prerequisite Course(s): HVE100, HVR100
  • 4 Semester Credit Hours
  • 60 Lecture Hours
  • 40 Lab Hours
  • 100 Total Contact Hours
  • 20 Outside Prep Hours

Refrigeration Systems & Practices

Students will learn how to maintain, monitor and manage residential and commercial-grade walk-in refrigerators and freezers. Some of the hands-on instruction in this course includes changing out compressors and servicing critically charged systems to enhance students’ understanding of mechanical and electrical troubleshooting.


  • Prerequisite Course(s): HVE100
  • 4 Semester Credit Hours
  • 60 Lecture Hours
  • 40 Lab Hours
  • 100 Total Contact Hours

Advanced Troubleshooting Techniques

This HVAC/R course has students training with the E-STAR Trainer, equipment developed to help students hone their electrical and troubleshooting skills. Students will also study mechanical troubleshooting, schematic wiring and the operation and maintenance of reciprocating liquid chillers.

This class also gives students the opportunity to qualify for EPA section 608 certification.


  • Prerequisite Course(s): HVE100
  • 4 Semester Credit Hours
  • 70 Lecture Hours
  • 30 Lab Hours
  • 100 Total Contact Hours
  • 15 Outside Prep Hours

Sound Interesting? Contact us for more information on this course and the Refrigeration Training Program

Employment is expected to grow for Heating, Air Conditioning, and Refrigeration Mechanics and Installers (499021) in the US to 414,400 through 2031, in Oklahoma to 4,900 through 2030, in Texas to 36,030 through 2030, and in Florida to 42,100 through 2030.