HVAC School
ATI’s HVAC program prepares you for a career working with the heating, cooling, and refrigeration systems that provide comfort and safety in homes and businesses.
HVAC and Refrigeration
A 2-ton air conditioner will cool your room. A 120-ton unit will cool a warehouse. You will work on both in ATI’s 15-month HVAC and Refrigeration Diploma program.
Take control of your HVAC career with our NATE recognized training by discovering the range of career options available to skilled HVAC technicians. Our hands-on training will help you understand the science behind controlling the temperature, movement, humidity, and quality of air in residential and commercial settings.
Program Highlights
Learn Through Action
Our HVAC lab includes over 35 residential and commercial systems to give you hands-on training with equipment technicians see in the field.
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Licensed To Chill
Refrigerants used in HVAC systems can be harmful to you and the environment. Our program includes preparation and testing for the EPA License 608 A and A2L Low GWP Safety Certification, which are required to apply to many HVAC technician jobs.
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Residential, Commercial, and Refrigeration
Don’t limit your training to residential HVAC. 25% of our program is dedicated to commercial HVAC and refrigeration so you have more exposure to a wider variety of career opportunities.
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Start Your Journey Here
Achieving journeyman status in any trade indicates you are ready to work on your own. ATI’s program is approved by DPOR to count towards the training requirements of an HVAC Journeyman license.
Learn more about DPOR
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Prepare To Lead
If leading others is part of your career plan, upgrade your Diploma to an Associate’s Degree with only 15 weeks of additional training. ATI’s Trades Leadership courses teach communication, computing, and critical thinking skills to better prepare you for supervisory roles.
Learn more about ATI’s Associate’s of Occupational Science Trades Leadership Program
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Skills You'll Learn
Build the foundation skills to support your HVAC/Refrigeration career through hands-on training in the following areas:
- Electrical Components, Circuits, and Schematics
- Residential and Commercial Comfort Systems
- Duct Work Design and Fabrication
- Piping and Braising
- Geothermal Heating and Cooling
View our HVAC/Refrigeration Diploma Program Curriculum
Upgrade your Diploma to an Associate's Degree with just 15 more weeks of training. Find out more.
Interested in HVAC/Refrigeration?
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Andre M.
ATI GraduateBeing a great welder can create amazing opportunities. I love to work with my hands. I take pride in what I do. It's honest, it's rewarding, and it's about making a difference. You can leave every day feeling proud about what you’ve done. ATI helped prepare me for my career. They can help you too.
Jose B.
ATI GraduateAfter I saw what I created, I was amazed at myself. I couldn't believe it. Whenever you build something and everybody thinks it’s perfect, it's a big sense of pride. It boosts your confidence. I do this trade because I love it. ATI helped me prepare for my career.
Daniel J.
ATI GraduateThe instructors here at ATI are wonderful. They listen to you on an academic level and a personal level. The instructors lay everything out and answer any questions I have and explain everything to the best of their knowledge.
William H.
ATI GraduateI enjoy my career. I enjoy the people I work for and having certifications helped me with my career. Job security is there. I have a bright future ahead of me.