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100+ Free UT HVAC Contractor Practice Questions

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2026 Statistics

Key Facts: UT HVAC Contractor Exam

75

Exam Questions

Utah DOPL

70%

Passing Score

Utah DOPL

$110

Exam Fee

Utah DOPL

4 yrs

Experience Required

Over last 10 years

25 hrs

Pre-Licensure Course

ABC, UHBA, or AGC

6 hrs

CE Per Renewal

Every 2 years

About the UT HVAC Contractor Exam

The Utah S350 HVAC contractor license exam covers trade knowledge for warm air heating, air conditioning, ventilating systems, and refrigeration equipment, plus Utah-specific licensing laws, business management, mechanical codes, and safety regulations.

Questions

75 scored questions

Time Limit

3 hours

Passing Score

70%

Exam Fee

$110 (nonrefundable) (Utah DOPL)

UT HVAC Contractor Exam Content Outline

25%

State Laws & Licensing

Utah DOPL S350 requirements, pre-licensure education, CE requirements, bond and insurance

25%

Trade Knowledge

Refrigerant handling, load calculations, ductwork design, equipment sizing, and altitude considerations

25%

Mechanical Codes & Energy

IMC compliance, IECC energy efficiency, venting requirements, and combustion air

25%

Safety & Business

OSHA workplace safety, EPA regulations, contract law, and business operations

How to Pass the UT HVAC Contractor Exam

What You Need to Know

  • Passing score: 70%
  • Exam length: 75 questions
  • Time limit: 3 hours
  • Exam fee: $110 (nonrefundable)

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

UT HVAC Contractor Study Tips from Top Performers

1Master Utah DOPL S350 requirements: 4 years experience, 25-hour pre-licensure course, and 70% passing score on 75 questions
2Study altitude effects on HVAC systems — Utah's 4,200-6,800 ft elevation requires gas appliance de-rating and load adjustments
3Learn IMC mechanical code requirements for venting, combustion air, condensate drainage, and equipment clearances
4Review EPA Section 608 refrigerant handling regulations, recovery procedures, and AIM Act HFC phase-down requirements
5Understand Utah's bond/insurance requirements: $100K/$300K liability, $15K-$50K surety bond, Workers' Comp or waiver

Frequently Asked Questions

What is the Utah S350 HVAC contractor license?

The S350 is a Specialty Contractor License that authorizes fabrication and installation of complete warm air heating, AC, ventilating systems, and refrigeration equipment in Utah.

How do I qualify for the S350 license?

You need 4 years of HVAC experience over the last 10 years, completion of a 25-hour pre-licensure course from ABC, UHBA, or AGC, and a passing score of 70% on the 75-question trade exam.

What insurance is required?

General liability insurance of $100,000 per incident and $300,000 total with DOPL as certificate holder, plus Workers' Comp (or a waiver if no employees).

How often must the license be renewed?

Every 2 years with 6 hours of CE, including 3 hours of HVAC-specific education and 1 mandatory hour on energy conservation.