Tennessee Mechanical HVAC/Refrigeration Contractor License (TN CMC-C)

Pursuing a career in the construction field? Study at home for your Tennessee Mechanical HVAC/Refrigeration Contractor License (TN CMC-C) with our fully online, easy to take, and self-paced course.

Tennessee Mechanical HVAC/Refrigeration Contractor License (TN CMC-C)
Steps to Success

1. Take the online course at your convenience.
2. At the end of the course, print your certificate of completion.

Exam Review Option Includes
Study Tips
Instructor Support
Highlighting Guides
Practice Exams
Math and Calculations
Instructor Information
iOS/Android Tablet and Smartphone Compatible
1 Year of Access

Course Fee: $199.00

About This License

A HVAC/Refrigeration license enables a contractor to perform all aspects of heating, air conditioning, refrigeration, ductwork, ventilation, as well as gas piping to any heating apparatus or to appliances.


Our training is written by Subject Matter Experts and built by Instructional Designers.

No Pass, No Pay

If you are not able to pass your exam on the SECOND attempt, we will refund your course fee. Conditions do apply.

Flexible & Self Paced

Simply login and out as needed. We track your progress.

Mobile Compatible

Our training is built on HTML5 - so you can take it with on your tablet or smartphone.

Lowest Price

We will beat ANY price by 10% for a similar program.

Requirements to Obtaining your License

A HVAC/Refrigeration Contractors license is required in Tennessee when the project exceeds $25,000.

  • Anyone seeking to become a contractor in Tennessee is required to sit for two exams, business and law and the trade.
  • Workers Compensation is required

General liability insurance requirements are based on your monetary limit.

  • If your monetary limit is up to $500,000, you will need to provide $100,000 coverage.
  • If your monetary limit is $500,001 - $1,500,000, you will need to provide $500,000 coverage.
  • If your monetary limit is greater than $1,500,000 you will need to provide $1,000,000 coverage.

Exam Review, Training, Education

Online Training: The program takes you through each one of the reference books that the exam is based on showing you exactly what to highlight. After your highlighting is completed with each book, you have the option take an online practice test to reinforce concepts presented. Also, there is an extensive math and plans analysis portion. The program narrated and animated.

Online Course: $199

Books and References for the Exam

The following references are permitted to be taken into the examination. These references may be tabbed (with a permanent index tab) and highlighted. They are available for purchase from our online contractor's bookstore or by calling our office at 1-800-952-0910.

  • 2006 International Mechanical Code
  • 2006 International Fuel Gas Code
  • Modern Refrigeration and Air Conditioning
  • Ductulator (Trane or ACCA)
  • HVAC Duct Construction Standards, Metal and Flexible
  • Ugly’s Electrical References
  • Carrier System Design Manual Part 3
  • OSHA Code of Federal Regulations Part 1926
  • Pipefitters Handbook
  • Manual J

Exam Details

  • The testing company is PSI (1-800-733-9267)
  • 100 questions and an 260 minute time limit
  • 73% is required to pass the exam
  • The exam fee is $57.
  • Topics on the exam include electrical knowledge, motors, and controls; refrigeration, hydronic, steam and process piping; heating and cooling principles and theory; heating and cooling equipment and components; refrigerants and refrigeration; fuel and LP gas; combustion air, chimney’s, flues, and vents; ducts, ventilation, and exhaust; load calculations; and safety, fire and smoke protection.

Continuing Education

There are no requirements for continuing education as of this time.

Applying to Get Your License

An application for licensure can be obtained from the Tennessee Board for Licensing Contractors by calling 1-800-544-7693. The licensing and application fee is $250.00.

Reciprocity Agreement

Tennessee has limited reciprocity agreement with the following states: Alabama, Arkansas, Louisiana, Mississippi, North Carolina and South Carolina.

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