HVAC Contractor License Exam (PSI) Practice Test
Build your confidence for HVAC Contractor License Exam (PSI). Practice the concepts, understand the answers, and strengthen your knowledge one question at a time.
Try a sample questionExam overview and details
The HVAC Contractor License Exam, administered by PSI, is a comprehensive assessment designed to validate the technical knowledge, code compliance understanding, and business acumen required to operate as a licensed HVAC contractor. This 43-question exam evaluates a candidate's proficiency across a broad spectrum of essential areas, including system design, installation, repair, maintenance, and the critical application of relevant codes such as the International Mechanical Code (IMC) and International Fuel Gas Code (IFGC). It is intended for experienced HVAC technicians seeking to advance their careers by obtaining the legal credential to bid on projects, pull permits, and operate their own contracting business. Successfully passing this exam demonstrates to clients, authorities having jurisdiction (AHJs), and the industry at large that the holder possesses the foundational competency to ensure systems are safe, efficient, and compliant.
Sample Questions
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A homeowner at a replacement job using the existing line set asks the contractor to skip the permit to save time. What is the proper response?
A homeowner at a modular classroom with exposed ductwork asks the contractor to skip the permit to save time. What is the proper response?
A homeowner at a salon with several heat-producing appliances asks the contractor to skip the permit to save time. What is the proper response?
At a condominium mechanical closet near sleeping rooms, a technician must service a rooftop unit with exposed belts and line voltage. What must be done before reaching into the cabinet?
At a replacement job using the existing line set, a TXV system is undercharged after a leak repair. Which charging target is normally used when airflow is correct?
Career Opportunities & Salary
Exam insights and study advice
This license is not merely a formality; it is a legal requirement to conduct HVAC contracting work in most jurisdictions. It directly impacts public safety, energy efficiency, and consumer protection. A licensed contractor ensures installations prevent fire hazards, carbon monoxide poisoning, and system failures. For the professional, it unlocks the ability to legally operate a business, secure bonding and insurance, and build credibility that commands higher project values and client trust. It transforms technical skill into a recognized professional authority.