HVAC License in Washington

Quick Answer

Washington requires hvac contractors to hold a state license. A state exam is required. Application fees start at $100-$250. Licenses renew biennial.

License Requirements

License Type: State License
Exam Required: Yes — state or trade exam required
Experience: 3+ years in hvac
Insurance: $200,000 general liability
Bond: $5,000-$10,000

Fees

Application Fee: $100-$250
Exam Fee: $50-$100
License Fee: $100-$200
Renewal Fee: $75-$150 (Biennial)

Governing Body

Washington HVAC Licensing Board
Official Application Portal ↗
Renewal: Every biennial
Reciprocity: OR, ID

How to Get a HVAC License in Washington

Step-by-step application process.

Verify you meet the experience requirement (3+ years in hvac)
Obtain required insurance: $200,000 general liability
Obtain surety bond: $5,000-$10,000
Pass the required exam — schedule through the state exam provider
Submit application to Washington HVAC Licensing Board
Pay applicable fees and await license issuance (typically 2–8 weeks)

Important Notes

Washington HVAC contractors must hold a state license. EPA 608 certification required for refrigerant handling. Verify local jurisdiction requirements.

Frequently Asked Questions

Do I need a license to do hvac work in Washington?

Yes. Washington requires hvac contractors to hold a state license. Washington HVAC contractors must hold a state license. EPA 608 certification required for refrigerant handling. Verify local jurisdiction requirements.

How much does a hvac license cost in Washington?

In Washington, the application fee is typically $100-$250. Exam fees are $50-$100. License fees are $100-$200. Renewal is $75-$150 per biennial cycle.

Is an exam required for a hvac license in Washington?

Yes, Washington requires passing a licensing exam for hvac contractors. The exam typically covers state laws and regulations plus trade-specific knowledge.

How do I renew my hvac license in Washington?

Washington hvac licenses renew biennial. Renewal fees are $75-$150. Many states require continuing education for renewal. Contact Washington HVAC Licensing Board for current renewal requirements.

Does Washington have reciprocity for hvac licenses?

Yes, Washington has reciprocity agreements with: OR, ID. Contractors licensed in these states may qualify for expedited or waived requirements. Contact Washington HVAC Licensing Board for current reciprocity details.

HVAC Licensing in Neighboring States

Compare requirements in nearby states — useful if you work across state lines.