PracticeVideosBlogFlashcardsEspañol
All Practice Exams

Free Practice Questions for WA HVAC Contractor

Exam-style questions and explanations by OpenExamPrep.

✓ No registration✓ No credit card
100+ Questions
100% Free

Loading practice questions...

Same family resources

Explore More HVAC Contractor License

Continue into nearby exams from the same family. Each card keeps practice questions, study guides, flashcards, videos, and articles in one place.

Florida HVAC Contractor License

Practice QuestionsStudy Guide1 blog

Texas HVAC Contractor License

Practice QuestionsStudy Guide1 blog

Arizona HVAC Contractor License

Practice QuestionsStudy Guide1 blog

California HVAC Contractor License

Practice QuestionsStudy Guide1 blog

North Carolina HVAC Contractor License

Practice QuestionsStudy Guide1 blog

Arkansas HVAC Contractor License

Practice QuestionsStudy Guide

More From This Family

Videos and articles for deeper review.

ArticleFree HVAC Contractor Practice Test by State 2026: 3,400+ Questions24 min read
Exam Review

Key Facts: WA HVAC Contractor Exam

4,000

Hours Experience

Washington L&I

48 hrs

Classroom Required

Washington L&I

$65

Exam Fee

PSI

$15K

Surety Bond

Washington L&I

$250K

Liability Insurance

Combined single limit

$141

Registration Fee

Washington L&I

Sample WA HVAC Contractor Practice Questions

Try these sample questions to review concepts for the WA HVAC Contractor exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which Washington state agency oversees HVAC contractor licensing and registration?
A.Washington Department of Commerce
B.Washington Department of Labor and Industries (L&I)
C.Washington State Licensing Board
D.Washington Department of Health
Explanation: The Washington Department of Labor and Industries (L&I) oversees HVAC contractor registration, specialty electrician licensing (06A HVAC/R), and all construction contractor licensing in the state.
2What is the Washington HVAC/Refrigeration specialty electrician license classification?
A.04 Industrial
B.06A HVAC/R
C.07 Residential
D.10 General
Explanation: The 06A classification is the HVAC/Refrigeration System specialty electrician license in Washington, required for installing, maintaining, and repairing HVAC/R electrical systems.
3How many hours of supervised work experience are required for the Washington 06A HVAC/R specialty license?
A.2,000 hours
B.3,000 hours
C.4,000 hours
D.6,000 hours
Explanation: Washington requires at least 4,000 hours (approximately 2 years) of supervised work experience in HVAC/R as an electrical trainee under the supervision of a certified electrician to qualify for the 06A license.
4How many hours of basic classroom instruction are required for the Washington 06A HVAC/R license?
A.24 hours
B.36 hours
C.48 hours
D.60 hours
Explanation: In addition to the 4,000 hours of supervised work experience, Washington requires 48 hours of basic classroom instruction for the 06A HVAC/R specialty license.
5What exams must be passed for the Washington 06A HVAC/R license?
A.Only a trade exam
B.The 06A HVAC-R Restricted NEC and Theory Exam, and the 06A HVAC-R WA Laws and Rules Exam
C.Only a business and law exam
D.A national certification exam only
Explanation: Washington 06A applicants must pass two exams: the 06A HVAC-R Restricted NEC and Theory Exam (covering electrical code and HVAC theory) and the 06A HVAC-R WA Laws and Rules Exam (covering Washington-specific regulations).
6What is the exam fee for the Washington 06A HVAC/R specialty electrician exam?
A.$35
B.$50
C.$65
D.$100
Explanation: The exam fee for the Washington 06A HVAC/R specialty electrician exam is $65, paid to PSI (the exam administrator) when scheduling the exam.
7What is the application fee to L&I for the Washington specialty electrician examination?
A.$50.00
B.$75.80
C.$107.60
D.$150.00
Explanation: The application fee to the Washington Department of Labor and Industries for the specialty electrician examination is $107.60.
8What surety bond amount is required for HVAC specialty contractors registering with Washington L&I?
A.$6,000
B.$12,000
C.$15,000
D.$25,000
Explanation: Washington requires a $15,000 surety bond (or assignment of savings) for HVAC specialty contractors as part of the contractor registration requirements with L&I.
9What is the minimum liability insurance requirement for Washington HVAC contractors?
A.$100,000 combined single limit
B.$200,000 public liability and $50,000 property damage, or $250,000 combined single limit
C.$500,000 combined single limit
D.$1,000,000 combined single limit
Explanation: Washington requires HVAC contractors to maintain general liability insurance with coverage of $200,000 in public liability and $50,000 property damage, or $250,000 combined single limit, with L&I listed as certificate holder.
10Who must be listed as the certificate holder on a Washington HVAC contractor's liability insurance?
A.The contractor's bank
B.Washington L&I (Department of Labor and Industries)
C.Each individual client
D.The surety bond company
Explanation: Washington requires L&I to be listed as the certificate holder on the contractor's liability insurance policy, using the contractor's exact business name.

About the WA HVAC Contractor Exam

The Washington 06A HVAC/R specialty exam covers restricted NEC theory, Washington laws and rules, HVAC/refrigeration trade knowledge, and safety regulations for the HVAC/R specialty electrician license.

Exam sponsor: Washington L&I / PSI. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Questions

100 questions

Time Limit

3 hours

Passing Score

70%

Exam / Certification Fees

$65 (exam) + $107.60 (application)

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

25%

State Laws & Licensing

WA L&I registration, 06A requirements, 4,000 hours experience, bond/insurance, and contractor advertising

25%

Trade Knowledge

Refrigerant handling, load calculations, ductwork design, heat pumps, and marine climate considerations

25%

Mechanical Codes & Energy

IMC/NEC compliance, IECC energy efficiency, CETA clean energy, seismic requirements, and permits

25%

Safety & Business

OSHA safety, EPA regulations, prevailing wage, contract law, and business operations

Preparing for the WA HVAC Contractor Exam

What You Need to Know

  • Passing score: 70%
  • Exam length: 100 questions
  • Time limit: 3 hours
  • Exam / certification fees: $65 (exam) + $107.60 (application) Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

WA HVAC Contractor: Suggested Study Strategy

1Master Washington L&I 06A requirements: 4,000 hours supervised experience, 48 hours classroom, and two separate exams
2Study Washington's marine climate impact on HVAC design: extended heating season, moisture management, and mold prevention
3Learn seismic restraint requirements for HVAC equipment — Washington is a high seismic zone
4Review Washington CETA clean energy goals and their impact on heat pump adoption and building electrification
5Understand RCW 18.27 contractor registration, $15K bond, $250K liability insurance, and advertising requirements

Frequently Asked Questions

What is the 06A HVAC/R license?

The 06A is a specialty electrician license from Washington L&I authorizing installation, maintenance, and repair of HVAC/R electrical systems. It requires 4,000 hours supervised experience and 48 hours classroom instruction.

What exams are required?

Two exams: the 06A HVAC-R Restricted NEC and Theory Exam, and the 06A HVAC-R WA Laws and Rules Exam. Both administered by PSI.

What bond and insurance are needed?

$15,000 surety bond and $250,000 combined single limit liability insurance (or $200K public liability + $50K property damage) with L&I as certificate holder.

What is the contractor registration fee?

The registration application fee is $141.10, plus the $107.60 exam application fee to L&I and $65 exam fee to PSI.