Our mission is to empower HVAC professionals and train HVAC students

AC Service Tech is committed to providing practical training material to technicians in the HVAC/R field. Our goal is to teach in a way that focuses on procedures and application used in the field. Regardless of your experience level, we can help! We are committed to creating and continuously improving effective learning methods to diverse communities all around the world. We are dedicated in promoting online knowledge and awareness of the demands of the ever changing internet technological trends for professional competency.  

Who we are...

Craig Migliaccio has been training HVACR technicians in-person and online for over a decade through his training company AC Service Tech, LLC. He created over 575 long form HVACR training videos, over 500 short form videos, and is the author of two HVAC training books along with many other resources that technical high schools, colleges, contractors, and individual technicians in the HVACR field use daily.

Most technicians know him through his YouTube HVAC Training channel, AC Service Tech, which has accumulated over 8 million watch hours and 90 million views. The AC Service Tech team also hosts their website, by the same name, where they post training articles, quick tips, quizzes, and more HVACR resources!

Craig holds a Master License in HVACR, has 23 years of HVACR experience, and has been in the HVAC field as an installer, service tech, and a HVAC Contracting Business owner. Craig is a licensed Teacher of HVACR, Sheet Metal, and Building Maintenance, a Continuing Education Teacher for Master License Holders, and was awarded as one of the “Top 25 Influential HVACR Instructors/Trainers” by HVAC Excellence in 2024. Craig is also a guest instructor for colleges, high schools, contracting companies, and HVAC industry events.
Write your awesome label here.
OuR team

Meet our instructors

Craig Migliaccio

CEO & Founder
Craig Migliaccio has been training HVACR technicians in-person and online for over a decade through his training company AC Service Tech, LLC. He created over 575 long form HVACR training videos, over 500 short form videos, and is the author of two HVAC training books along with many other resources that technical high schools, colleges, contractors, and individual technicians in the HVACR field use daily.

JD Kelly

Course Developer
JD Kelly is an Alabama-licensed HVAC Contractor who has been a dedicated practitioner since 2022. With a passion for training and helping others grow, he approaches his work not as a master, but as a lifelong Student of HVAC. He firmly believes that the learning process never ends, making him committed to sharing the latest knowledge and insights with the next generation of technicians.  

Naomi King &/OR TY??

Managing Editor
About 

Our Team

Our vision is to advance the careers of HVAC technicians worldwide.
Write your awesome label here.

Where to find us...

Our Website

For more resources, articles, podcast, etc please check out our website ACServiceTech.com

YouTube

Over 700 videos of instruction & inspiration...
Our YouTube Channel

Social Media

Write your awesome label here.
Write your awesome label here.

Our Storefront

Besides our online presence we have physical training products and apparel available in our Storefront

Amazon

All of our products are also available on our Amazon page

Volunteer Work

Investing in our youth is of upmost importance to us, we were honored to be a Grit Camp this past spring and look forward to more in the future. 
testimonials

What our students say about us

Course materials were excellent, the mentoring approach was excellent. The instructors did a good job of communicating and making it a more intimate arrangement. 
— Grace Walsh
I received my certificate, and I would like to thank you for your continuous support. The courses were challenging, but my instructors were always there supporting me and ready to help.
— Grace Walsh
I am most grateful that my teacher not only makes learning fun and shares his knowledge, but has passion for his field as well. I could not have found a better place to learn new skills.
— Grace Walsh

Explore our professional courses now!

Don't loose the opportunity to become happier, more efficient and more effective in your daily professional life.