Washington Heating, Ventilation, Air-Conditioning and Refrigeration (HVAC/R) Contractor License
The Heating, Ventilation, Air-Conditioning and Refrigeration (HVAC/R) Contractor License allows you to do the following work on systems and equipment used for heating and cooling of indoor air, including:
- Duct work
- Air filtering and water treatment devices
- Pneumatic controls
- Control piping
- Thermal and acoustical insulation
- Vibration isolation materials and devices
- Liquid fuel (propane) piping and tanks
- Gas piping from service connection to equipment serving
- Stainless steel kitchen systems
- Systems utilizing solar energy
- Test and balance of air handling systems
How to Get the Heating, Ventilation, Air-Conditioning and Refrigeration (HVAC/R) Contractor’s License in Washington?
- Establish the business type and register with the Department of Revenue:
- Determine the business name if setting up a sole proprietor or partnership
- Refer to the Secretary of State for information on how to incorporate the business, if starting a Limited Liability Company (LLC) or a Corporation
- Fill out and get a Washington Continuous Contractor Surety Bond for the required amount
- Purchase a general liability insurance policy for the required amount
- Complete an Application for Contractor Registration with notarized signatures. If unsure of how to correctly fill out the application form, the Washington Department of Labor & Industries offers help with the application and business registration to those who visit their local offices
- Send all the previous documents along with the registration fee to:
Washington State Department of Labor & Industries
Contractor Registration
P.O. BOX 44450
Olympia, WA 98504-4450
It is also possible to visit a local office to deliver all the documents and fees in person - Obtain a registration card from the Washington State Department of Labor & Industries after the application is processed
- Note that once the business has been registered, it will be listed in the Washington State Department of Labor & Industries Verify a Contractor, Tradesperson, or Business site