TWS students get hands-on training that ensures our graduates are well prepared for the workplace.

An A/C unit blowing hot air on a sweltering summer day in sticky states like Texas and Florida can be a major emergency. You could be the HVAC technician customers call during such trying times after completing our refrigeration and HVAC training program, Refrigeration Technologies, at either our Houston, Texas or Jacksonville, Florida campus.

We’ll teach you the essentials of installing, maintaining, and repairing HVAC and refrigeration equipment in two of the country’s hottest job markets for technicians in our 7-month refrigeration and HVAC training program.i

Program Details

  • 7 months
  • Diploma
  • Day and evening classes

Refrigeration Training for HVAC Careers in Houston and Jacksonville

An education is one of the biggest investments you can make in yourself, and choosing a field with healthy job growth can help ensure you see returns on it. The Refrigeration Technologies program offered at our campuses in Houston, Texas, and Jacksonville, Florida, prepares students for entry-level careers in HVAC service, an industry expected to see much faster than average job growth in the coming years.ii

Students graduating from our Houston and Jacksonville campuses enjoy the advantage of entering job markets in two of the top states for HVAC technicians. In 2018, Florida ranked number one for the highest level of employment of HVAC technicians in the nation. Texas took third place as the state employing the most HVAC techs that year.i

See some of the exciting positions that could be available to you after completing HVAC training in Houston, Texas or Jacksonville, Florida!

Our training program prepares you for a variety of career options,

  • Refrigeration Technician
  • Commercial Refrigeration Installer/Technician
  • Commercial Transportation Refrigeration Troubleshooter
  • HVAC/R Service Technician
  • HVAC/R Installation Technician
  • Refrigeration Service Technician
  • Low-Temperature Field Technician

HVAC Training: What You’ll Learn in the Refrigeration Technologies Program

Hands-on—that’s how we train students of our Refrigeration Technologies program at the Jacksonville and Houston campuses. You’ll learn the fundamentals of heating, ventilation, air conditioning, climate control, and refrigeration technologies (HVAC/R) in a lab, spending just a fraction of your training time sitting in a classroom.

With instruction in advanced troubleshooting and fundamentals of solar energy, you’ll graduate ready to fix common HVAC/R problems and take on new, innovative green technologies.

HVAC/R Program Classes & Courses

Fundamentals of Electricity

HVE 100

100 Contact Hours
90 Lecture Hours
10 Lab Hours
4.0 Credit Hours

This class provides students with basic electrical understanding from an elemental stage through trouble shooting. Trainers are used to teach schematic wiring as well as test meter usage along with all the safety processes associated with handling electrical systems such as grounding and energized circuits. Students will work with dual voltage systems commonly found in HVACR equipment. The foundation for control circuit wiring and High voltage wiring are discussed and students will put their knowledge to use while working with the trainers. The training material in this class includes information on multiple types of test meters and their proper use, electrical devices, control devices, and troubleshooting. A study of single phase and three phase motors round out the students understanding of basic electrical principles.

Fundamentals of Solar

HVE 110

100 Contact Hours
60 Lecture Hours
40 Lab Hours
4.0 Credit Hours

This module provides an overview of photovoltaic (PV) science and an introduction to the fundamentals of solar energy. Through a combination of lecture, problem solving and hands-on lab exercises, students will learn the concepts and processes of photovoltaic systems, including their design and installation. The module covers the scope of solar energy systems’ conceptual, mechanical and electrical design, with an emphasis on wiring and electrical issues.

Fundamentals of Refrigeration

HVR 100

100 Contact Hours
90 Lecture Hours
10 Lab Hours
4.0 Credit Hours

In this refrigeration class students are introduced to the refrigeration cycle through class lecture and observing operating equipment. The material in this class is mechanical in nature and is limited to the mechanical and physical properties of refrigerants and the refrigeration cycle. The equipment in this class is used to safely demonstrate the varied states of refrigerant as it cycles through the system. The student will be introduced to many of the tools associated with the refrigeration industry such as: manifold gauge set, vacuum pumps, service wrenches, charging, and recovery equipment. The safety programs in this class will provide students with details on being in close proximity to rotating machinery and refrigerant handling. The class is also designed to familiarize the student with details on the mechanical troubleshooting process.

Comfort Systems – Residential

HVR 110

100 Contact Hours
60 Lecture Hours
40 Lab Hours
4.0 Credit Hours

This class offers experience with residential split systems, packaged heat pump systems, air conditioners, gas furnaces, and evaporative coolers. Students are tasked with building schematics for air conditioning/heating systems and wiring the same systems having only the components of the system as reference. A further study of mechanical and electrical troubleshooting turns more hands-on in this class as students see the equipment come to life by their own hand. Gas piping, sizing, and installation are studied as it applies to furnace operation.

Comfort Systems – Commercial

HVR 120

100 Contact Hours
60 Lecture Hours
40 Lab Hours
4.0 Credit Hours

This class offers a more technical approach to studying the concepts of indoor climate control. Students are tasked with safely removing and replacing components within residential and commercial HVAC systems such as fan motors, fans, electrical components, and compressors. Recovery and charging of refrigerants are an integral aspect of this class and students will apply their lessons to real equipment to round out the experience. Students will study brazing techniques using oxy/acetylene equipment and are required to put their knowledge to use on multiple tasks designed to enhance understanding of working within the confines of an HVAC unit. Refrigerant piping manipulation is introduced for study using hands-on techniques as students gain on overall familiarization of HVAC equipment. The opportunity to study and test on R410a and automotive air conditioning is provided in this class; Successful students will achieve a R410a safety certification and EPA section 609 certification. An introduction to air balance and the associated equipment are also included for this class.

Refrigeration Systems & Practices

HVR 130

100 Contact Hours
60 Lecture Hours
40 Lab Hours
4.0 Credit Hours

Students will learn to maintain, monitor, and manage residential and commercial grade walk-in refrigerators and freezers. A study of commercial grade ice makers such as: a flaker, cuber, and nugget type units provide an intense look at low temperature refrigeration equipment. Students will be required to change out a compressor, service and/or repair critically charged systems to enhance their overall understanding of mechanical and electrical troubleshooting. A variety of specialty tools related to equipment studied in this class will be introduced to round out the total experience.

Advanced Troubleshooting Techniques

HVR 200

100 Contact Hours
70 Lecture Hours
30 Lab Hours
4.0 Credit Hours

The class introduces the operation and maintenance of reciprocating liquid chillers and stands as a review of the knowledge students have attained through previous courses. Electrical troubleshooting takes on a new intensity in this class as students are exposed to the E-STAR Trainer. The E-STAR Trainer is equipment developed by RSI to teach and hone electrical troubleshooting skills. A thorough study of mechanical troubleshooting and schematic wiring will raise the student to the level of technician. The opportunity to qualify for EPA section 608 certification is provided during this class. The overall goal of this class is to ensure students have attained the required skills to be successful entry level HVAC/R technicians.

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


Ready to Enroll?

Take the next step toward an exciting welding career.
The TWS team is here to help you through every step of the process.

HVAC & refrigeration training is available at two campus locations:

Tulsa Welding School
Jacksonville, FL Campus

1750 Southside Boulevard
Jacksonville, FL 3221

View Campus

Tulsa Welding School & Technology Center
Houston, TX Campus

243A Greens Rd.
Houston, TX 77060

View Campus

HVAC Training: Refrigeration Technologies Program School Calendar

TWS offers flexible scheduling with morning, afternoon, and evening courses.

Upcoming Class Start Dates

Jacksonville, FL Class Schedules (Monday-Friday)

Morning Evening
7:30am-12:30pm 6:00pm-10:00pm

Houston, TX Class Schedules (Monday-Friday)



Accredited School, ACCSC. TWS-Jacksonville located at 1750 Southside Blvd., Jacksonville, FL 32216 is recognized by ACCSC as a satellite location of TWS-Jacksonville located at 3500 Southside Blvd., Jacksonville, FL 32216. Tulsa Welding School & Technology Center (TWSTC) in Houston and TWS-Jacksonville are branch campuses of Tulsa Welding School, located at 2545 E. 11th St., Tulsa, OK 74104. Tulsa, OK campus is licensed by OBPVS and ASBPCE. Jacksonville, FL campus is licensed by the Florida Commission for Independent Education, License No. 2331. TWSTC and TWS in Tulsa, OK are approved by TWC. TWS in Jacksonville is licensed by the Mississippi Commission on Proprietary School and College Registration, License No. C-668. Licensure indicates only that minimum standards have been met; it is not an endorsement or guarantee of quality. Licensure is not equivalent to or synonymous with accreditation by an accrediting agency recognized by the U.S. Department of Education. TWS in Jacksonville is also regulated by the Indiana Department of Workforce Development, Office for Career and Technical Schools, 10 N. Senate Ave, Suite SE 308, Indianapolis, IN 46204;; 317-234-8338 or 317-232-1732; GI Bill® Eligible (check with local campus for specific eligibility). The AOSWT program is an Associate of Occupational Studies degree program and is not an academic degree. The AOSWT program is not approved for the following states: CO, GA, LA, MN, and TX. For more information about our programs, please visit our website at:

GI Bill® is a registered trademark of the U.S. Department of Veterans Affairs (VA). More information about education benefits offered by VA is available at the official U.S. government Web site at

Scholarships available to those who qualify. Candidates need to refer to the scholarship information page to determine topic of essay (where applicable) and must meet all regular admissions requirements and be scheduled to start training prior to applying for a scholarship. If a student changes his/her re-enter date, the scholarship award may be forfeited. Scholarships are not transferable and most scholarships cannot be used in conjunction with any other scholarship TWS offers. In most cases, only one award will be given per student. If a student is eligible for multiple scholarships, the scholarship that is most beneficial to the student will be awarded. Scholarships will be distributed incrementally over the entire duration of the program. Scholarship eligibility requires continuous enrollment. Failure to maintain Satisfactory Academic Progress may result in the probation and possible loss of scholarship. Termination from training may also result in the loss of a scholarship, which may increase your tuition obligation to TWS. Tuition charges will be based on the amount reflected on your Enrollment Agreement. See the reverse side of your Enrollment Agreement or the School Catalog for the school’s refund policy.

*According to 2016 IPEDS data TWS has the largest total combined enrollment of students for all post-secondary schools in the U.S. with the designated largest program of CIP Code Welding Technology/Welder.

1 Total number of estimated graduates for TWS calculated based on historic data available as of 1/20/16.

2 Tulsa area annual mean wage is $48,510, Jacksonville area annual mean wage is $41,440 and Houston area annual mean wage is $50,100 for welders, cutters, solderers and brazers (514121) reported by BLS as of May 2018 Average starting salary for Professional Welder is $33,945 for TWS Tulsa, $32,890 for Jacksonville, and TWSTC is $33,633 for graduates employed during the 12 month period of 7/1/17-6/30/18.

3 According to BLS data Oklahoma employed 9,970, Florida employed 13,890 and Texas employed 50,120 welders, cutters, solderers (514121) as of May 2018.

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