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The Technical Training Institute


How would you like to pass your licensing exam the first time? Did you know over 90% of students from The Technical Training Institute pass their license exam the first time? We’re really proud of our excellent success rate over the last 22 years.  Let us help you take the stress out of preparing for your contractor license exam.  We provide training for professionals in the electrical, mechanical, and plumbing trades..

We work with the NC state licensing boards, as well as offering custom training programs offsite – in a classroom setting, or at home in a virtual GoToMeeting course.  Since 1999, students have depended on our exam preparation courses to  get licensed and get to work!


We’re Offering In-Person and GoToMeeting Courses 

We delivered our first live, instructor-led courses in April, 2020 on the world-recognized GoToMeeting platform.  For over a year, students have been attending exam prep courses from any location with Wi-Fi access.  Pick your class, order your books and take your class from the comfort of your home, keeping your family and co-workers safe while keeping your career goals on track.



Now you can join our live, instructor-led training from any location with an internet connection. Participate remotely and experience the same collaboration, instructor interaction, and learning benefits as if you were physically in the classroom!  

Ready to get licensed?

Sign-up for a prep class or study at home....

What We Do

  • NC Heating H-1, H-2, H-3-1
  • NC Plumbing P-I  
  • Specialty Electrical SP-PH
  • NC Limited Electrical
  • NC Intermediate Electrical
  • NC Unlimited Electrical
  • Electrical CE
  • Residential HVAC Design Services


**INDUSTRY UPDATE** North Carolina Licensed HVAC Contractors: House Bill 243

New Law Temporarily Lowers R-Values for Duct Insulation to R-4.2

Governor Roy Cooper signed this legislation yesterday, March 17, 2022

House Bill 243 – Duct Notice 3-17-2022


This new law temporarily changes the Commercial and Residential insulation R-value for ducts installed in ventilated and nonventilated non-conditioned spaces (crawlspaces and attics). 

Based on this legislation, contractors can install ducts in Residential ventilated and non-ventilated unconditioned spaces (crawlspaces and attics) with a minimum of R-4.2 insulation. This law will allow for reduced duct insulations values for a period of two years and is now in effect.

  • Any changes in duct insulation values must be included in your load calculation
  • If you are questioned by an inspection department in reference to the duct R-values, please refer them to House Bill 243
  • That actual language for this legislation can be viewed at the following link:  https://www.ncleg.gov/BillLookUp/2021/h243
  • Once you click on the link, you will need to click on “SL 2022-6” in the tool bar on the left side of the webpage. The duct work language is on pages 46 – 47
  • For changes to commercial projects please see the specifics in this legislation