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Washington HVAC Contractor List

880 records in our covered Washington sources. Snapshot refreshed 2026-09-02. Build a roster for your territory, with phone and email where available. Credential requirements vary by trade and locality; review the state guidance below.

Washington L&I Open Data · Source snapshot
Get matched with hvac contractors in Washington — free →
See where hvac contractors appear in our Washington coverage →

Why verification matters

Ask how the system will be sized, what equipment is included and who handles electrical, refrigerant and permit requirements. Check the relevant credentials rather than assuming every state uses an HVAC license.

Projects for hvac contractors

AC repair and won't-cool callsFurnace and heat-pump replacementNew system install or zoningSeasonal tune-upsDuctwork and airflow fixes

For businesses

Buy the hvac contractors list in Washington, by territory

Public-source records for the selected trade and territory, enriched with phone, email and website where available. Review coverage and filters before buying. Draw your territory and pay for what you draw. Or build a list in two minutes →

VancouverSeattleSpokaneTacomaMarysvilleYakimaPascoWenatcheeMoses LakeWalla WallaChehalisMount VernonLongviewSequimFerndaleFriday HarborEnumclawBelfairSunnysideMaple FallsSnoqualmieEllensburgNewportManson
Tap the map to set your territory center.Two fingers to move & zoom

Radius

Statewide

Sources and limits

Where this list comes from

Our Washington roster uses covered records from Washington L&I Open Data. A current source check is still needed. Counts describe records in that snapshot, not every business operating in the state.

A license or registration record is a starting point. Credential types and scope differ by jurisdiction; a listing does not establish today's status or authorization for every type of work.

Before hiring, match the business and credential number with the relevant authority, check scope and current status, and confirm local permits. Contacts and Google ratings, when present, are separate enrichment rather than licensing evidence.

Data sources and quality standards →

Why ContractorRoster

Public records, organized for your territory.

Find hvac contractors for AC repair and won't-cool calls, furnace and heat-pump replacement, and related work. Choose your territory and review available contacts before buying. Check the source credential and project scope before hiring.

Washington: credentials and scope

Washington L&I registers general and specialty construction contractors. Registration is distinct from the separate licensing or certification requirements for trades such as electrical and plumbing work.

L&I's registration requirements specify a $30,000 general-contractor bond or $15,000 specialty bond. Liability insurance is $200,000 public liability plus $50,000 property damage, or a $250,000 combined single limit; the page does not give specialty contractors a lower insurance minimum.

Example: For an electrical installation, check the electrical credential and relevant permit requirements rather than relying on a general contractor registration alone.

Separate contractor registration from the regulated trade work
  1. Find the L&I registration in the same business name as the proposal. Read whether it is general or specialty registration and review the displayed bond and insurance information without treating it as a coverage opinion.
  2. Ask who will undertake any electrical or plumbing work. Check those credentials separately; a general registration number is not the answer to an electrical or plumbing licensing question.
  3. Request current insurance evidence for the business and discuss the proposed job with the insurer. A required bond amount is neither an insurance policy nor a promise that every customer can recover that amount.

Example: a kitchen remodeler supplies an L&I registration but has not named the electrician. Keep the electrical portion open on your checklist and request that subcontractor’s credential before treating the project team as checked.

Scope guidance reviewed 2026-09-23. Recheck the official record before hiring.

Use cases

  • ✓Standing up an HVAC vendor roster for a new property in a new market
  • ✓Building a commercial bidder list before an RFP goes out Friday
  • ✓Finding licensed HVAC backup when a tenant emergency hits at 9pm Sunday
  • ✓Pulling equipment-rep outreach lists across an entire region in one CSV

Top cities for hvac contractors in Washington

1Vancouver44
2Spokane36
3Seattle31
4Portland30
5Tacoma24
6Auburn16
7Puyallup15
8Yakima14
9Spokane Valley14
10Snohomish14

880 records in our Washington hvac contractors snapshot, with contact fields where available. See the full Washington map →

Guides

4 min read
Washington Contractor Verification: Credentials, Scope & Official Sources
Which Washington records to check, how to match the credential to the work, and what a registry result cannot tell you.

Other trades in Washington

HVAC Contractors in other states

Common questions about hvac contractors in Washington

How do I research hvac contractors in Washington?

Start with the authority for the trade and project locality. Match the exact business and credential number, check current status and scope, then ask about local permits, insurance and comparable work. A directory listing or rating does not complete those checks.

How many hvac contractors does the Washington roster cover?

Our snapshot contains 880 records in this category. Records are not necessarily unique companies, and source coverage is not a census of every business in the state.

Where does this data come from?

Covered records come from Washington L&I Open Data. License and registration types differ; check the credential that applies to your project. Contacts and ratings are separate enrichment where available.

What contact information is included?

Available fields can include phone, email, website and Google ratings. Availability varies by record and selection; an unavailable field is not a zero, closure or negative finding. Review the selected inventory before purchase.

What will my list cost and when will it arrive?

The current purchase flow shows the price for your selected territory and filters before checkout. Larger website orders are typically delivered within one business day. Custom research scope and delivery timing are agreed before purchase.

Does this list establish current license status?

No. The recorded source refresh date is 2026-09-02. This is a snapshot rather than a live-status guarantee. Verify the appropriate official record before hiring.

From $19. Pay for what you draw

Draw your territory on the map; the price follows the size of the list. Pay once. Larger website orders typically arrive within one business day. No subscription, no account.

✓ Name, license #, expiration, verification URL✓ Phone, email, website where available✓ Google rating + review count, Yelp link✓ Territory intel: population, income, permits, storms✓ CSV ready for Excel or Google Sheets