A male HVAC technician wearing a cap and gloves crouches down to repair and adjust the outdoor air conditioning unit using gauges

Heating, Ventilation, Air Conditioning and Refrigeration (HVACR)

Build a hands-on career that keeps homes, businesses and industries running.

College of the Mainland’s Heating, Ventilation, Air Conditioning & Refrigeration (HVACR) program prepares students to install, maintain, troubleshoot and repair heating, cooling and refrigeration systems.

Through hands-on training, students develop skills in electricity, refrigeration, residential air conditioning and heating systems while preparing for careers across residential, commercial and industrial settings.

Whether you want to enter the workforce quickly or continue building your skills, COM offers a stackable pathway from a Level I Certificate to advanced HVACR credentials and an Associate of Applied Science.

Choose Your Path

Level I Certificate – HVACR

Start with a focused workforce credential designed to prepare you for entry-level employment in heating, ventilation, air conditioning and refrigeration. Students gain hands-on experience with electrical systems, refrigeration principles, residential air conditioning and gas and electric heating.

Level I Certificate Plan

Level II Certificate – HVACR

Build on your Level I training with advanced skills in commercial refrigeration, industrial air conditioning, electrical systems, controls, installation and troubleshooting. The Level II Certificate is designed for students who want to expand their technical skills and prepare for more advanced HVACR positions.

Level II Certificate Plan

Associate of Applied Science – HVACR

Take your HVACR training further with an Associate of Applied Science. The 60-credit-hour degree combines advanced technical training with general education courses and prepares students for a broader range of opportunities in residential, commercial and industrial HVACR.

Associate of Applied Science Degree Plan

HVACR Jobs in Industries

  • HVACR Service Technician
  • HVACR Installer
  • Refrigeration Technician
  • Residential Service Technician
  • Facilities Maintenance Technician
  • Building Maintenance Technician
  • Commercial HVAC Technician
  • Industrial HVAC Technician

Why Choose HVACR at COM?

  • Hands-On Training: Develop practical skills using HVACR equipment, tools and systems.
  • Start Working Sooner: Earn a Level I Certificate and begin preparing for entry-level employment while continuing toward advanced credentials.
  • Built for Working Adults: Evening coursework provides an option for students balancing work and other responsibilities.
  • Career-Focused Skills: Learn installation, maintenance, troubleshooting, electrical systems, refrigeration, heating and air conditioning.
  • Industry Preparation: Coursework includes preparation related to EPA Section 608 refrigerant requirements.
  • Affordable Education: Build valuable workforce skills at a fraction of the cost of many other education options

Program Details

Next Start Date

Fall 2026

Learning Format

In-Person

Program Length

4 semesters

Degree Plan

View in course catalog

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Careers & Outcomes

HVACR professionals work anywhere climate-control and refrigeration systems are needed, including homes, schools, hospitals, hotels, restaurants, commercial buildings, manufacturing facilities and industrial operations.

Additional Program Info

Cost of Attendance

Financial Aid and Scholarships Available

Program Requirements

High school diploma or High School Equivalency (HSE)

Steps to Admission
  1. Apply to COM and submit the necessary documents (transcripts, meningitis vaccination if under 22 and proof of Texas residency).
  2. Meet with Academic Advisor.
Why the Field Needs HVACR Professionals

Demand for trained HVACR professionals is driven by new residential and commercial construction, increasingly sophisticated climate-control systems and the ongoing need to maintain, repair, replace and upgrade existing equipment.

Across the Gulf Coast, HVACR skills support residential service, commercial facilities, industrial operations and manufacturing, creating opportunities for technicians with strong troubleshooting and hands-on technical skills.

Credit or Continuing Education: Which HVACR Program Is Right for Me?

COM offers two HVACR training pathways depending on your goals.

Academic Credit HVACR Program

Choose the academic program if you want to earn college credit and build toward advanced credentials.

  • Earn college credit
  • Begin with a Level I Certificate
  • Continue to a Level II Certificate and AAS
  • Build toward COM’s BAS in Operations Management
  • Financial aid may be available for eligible students

Continuing Education HVACR Program

Looking for shorter-term, noncredit workforce training? COM also offers a Continuing Education HVACR program designed to prepare students for employment through classroom and hands-on technical training.

The Continuing Education program is noncredit and nontransferable and leads to workforce credentials rather than a college certificate or degree.

Explore Continuing Education HVACR

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