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100+ Free WA HVAC Contractor Practice Questions

Pass your Washington 06A HVAC/R Specialty Electrician License Exam exam on the first try — instant access, no signup required.

✓ No registration✓ No credit card✓ No hidden fees✓ Start practicing immediately
100+ Questions
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2026 Statistics

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

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.

Questions

100 scored questions

Time Limit

3 hours

Passing Score

70%

Exam Fee

$65 (exam) + $107.60 (application) (Washington L&I / PSI)

WA HVAC Contractor Exam Content Outline

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

How to Pass the WA HVAC Contractor Exam

What You Need to Know

  • Passing score: 70%
  • Exam length: 100 questions
  • Time limit: 3 hours
  • Exam fee: $65 (exam) + $107.60 (application)

Keys to Passing

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

WA HVAC Contractor Study Tips from Top Performers

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.