100+ Free OK HVAC Contractor Practice Questions
Pass your Oklahoma Mechanical Contractor License exam on the first try — instant access, no signup required.
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Key Facts: OK HVAC Contractor Exam
90
Trade Exam Questions
CIB
75%
Passing Score
CIB
4 hrs
Exam Duration
CIB
$5K
Surety Bond
CIB
4 yrs
Experience Required
3 as journeyman
6 hrs
CE per 36 Months
CIB
About the OK HVAC Contractor Exam
The Oklahoma Mechanical Contractor exam tests knowledge of CIB regulations, $5K surety bond, electrical controls, natural gas, air distribution, refrigeration/AC, heating systems, and safety.
Questions
90 scored questions
Time Limit
4 hours
Passing Score
75%
Exam Fee
$330 application fee (Oklahoma Construction Industries Board)
OK HVAC Contractor Exam Content Outline
State Laws & Regulations
CIB licensing, bonding, insurance, permits, and continuing education
Trade Knowledge
Heating, cooling, air distribution, load calculations, and system design
Mechanical Codes
Gas piping, venting, combustion air, equipment installation, and energy code
Safety Regulations
EPA regulations, OSHA, severe weather, and electrical safety
Business Management
Contract law, lien rights, estimating, and business operations
How to Pass the OK HVAC Contractor Exam
What You Need to Know
- Passing score: 75%
- Exam length: 90 questions
- Time limit: 4 hours
- Exam fee: $330 application fee
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
OK HVAC Contractor Study Tips from Top Performers
Frequently Asked Questions
What is the Oklahoma Mechanical Contractor exam?
A 90-question open-book trade exam covering electrical controls, natural gas, air distribution, refrigeration/AC, heating, and safety. A Business and Law exam is also required.
What experience is needed?
4 years of experience with at least 3 years as a journeyman. Minimum age is 19.
What bond and insurance are required?
$5,000 surety bond and $50,000 minimum liability insurance.
What CE is required?
6 hours of approved CE within the 36 months preceding license expiration.