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

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

• 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.

Work that can be Done Under this License

Applying to get your License

Reciprocity Agreements

Continuing Education

Exam Details

• The testing company is PSI (1-800-733-9267)
• 100 questions and an 4-hour time limit
• 73% is required to pass the exam
• The exam fee is $55.
• 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.

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.

• 2003 International Mechanical Code
• 2003 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 Review, Training, Education

We offer review for the Tennessee Mechanical HVAC/Refrigeration Contractor Exam through 1 day seminar or in a home study/tutorial format. The fee for the class or study guide is $395. At class, students will receive a study guide includes sample questions, practice math problems, sample load calculations, and a highlighting guide for the approved references. For more information on either attending a seminar, or to order, contact our office at 1-800-952-0910.

Seminar Price: $395