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Best HVAC Contractors in Seattle, WA

Find licensed hvac contractors in Seattle, Washington. All contractors verified against WA state licensing records.

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ACCO ENGINEERED SYSTEMS INC

HVAC Contractors

Active License

5300 Denver Avenue South, Seattle, WA

(206) 787-8500

License #ACCOESI971KW

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ACCURATE HEATING & ELECT LLC

HVAC Contractors

Expired

1611 ROXBURY ST, Seattle, WA

(206) 937-0777

License #ACCURHE797KD

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ACCURATE HEATING & ELECT LLC

HVAC Contractors

Expired

1611 SW ROXBURY ST, Seattle, WA

(206) 937-0777

License #ACCURHE952NQ

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ACCURATE MECHANICAL LLC

HVAC Contractors

Active License

9632 16TH AVE SW, Seattle, WA

(206) 644-4200

License #ACCURML765JS

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ACCURATE MECHANICAL LLC

HVAC Contractors

Active License

9632 16TH AVE SW, Seattle, WA

(206) 644-4200

License #ACCURML766DF

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ACE HVAC SERVICE LLC

HVAC Contractors

Active License

2466 S SPENCER ST, Seattle, WA

(206) 354-0772

License #ACEHVHS797OT

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ADVANCED ENERGY SAVERS INC

HVAC Contractors

Active License

11212 3RD AVE S, Seattle, WA

(206) 241-7930

License #ADVANES100K9

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Air Commodities Inc

HVAC Contractors

Active License

6100 6TH AVE S, Seattle, WA

(206) 767-2600

License #AIRCOCI748BL

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AMBIENT AIR HEATING LLC

HVAC Contractors

Active License

14058 24TH AVE NE, Seattle, WA

(206) 364-1965

License #AMBIEAH822BD

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APARAHEATINGANDCOOLING LLC

HVAC Contractors

Expired

5533 S WALLACE ST, Seattle, WA

(206) 702-8184

License #APARAL*787L1

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APOLLONIUS LLC

HVAC Contractors

Active License

4527 SW WEBSTER ST, Seattle, WA

(206) 707-5932

License #APOLLL*751N9

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Ballard Natural Gas Srvc Inc

HVAC Contractors

Expired

4758 Ballard Ave NW, Seattle, WA

(206) 784-8101

License #BALLANG850CK

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BALLARD OIL CO INC

HVAC Contractors

Expired

5300 26TH AVE NW, Seattle, WA

(206) 783-0241

License #BALLAOC002C3

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BLACK LOTUS HVAC LLC

HVAC Contractors

Active License

600 1ST AVE STE 330, Seattle, WA

(425) 691-0680

License #BLACKLH759B9

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CLOUD 9 HEATING & AIR LLC

HVAC Contractors

Active License

11949 LAKESIDE AVE NE, Seattle, WA

(310) 421-6535

License #CLOUD9H773CA

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COFFMAN ENGINEERS INC

HVAC Contractors

Active License

1101 2ND AVE, SUITE 400, Seattle, WA

(206) 623-0717

License #COFFMEI866O9

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COMFORT FOR LESS HTG & COOLING

HVAC Contractors

Expired

12620 20TH AVE S, Seattle, WA

(206) 246-4597

License #COMFOFL942B7

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COMFORT TECH HEATING & A/C INC

HVAC Contractors

Active License

416 NE 43RD ST UNIT A, Seattle, WA

(206) 730-0556

License #COMFOTH898CM

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COMMERCIAL FILTER SALES & SVC

HVAC Contractors

Active License

2715 - 6TH AVE SOUTH, Seattle, WA

(206) 447-6933

License #COMMEFS935B5

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CYC Mechanical

HVAC Contractors

Active License

9509 Rainier Ave S Ste B, Seattle, WA

(206) 861-4836

License #CYCMEM*830DM

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DOUBLE BOND HEATING AND AIR

HVAC Contractors

Expired

610 nw 78th st, Seattle, WA

(206) 849-2620

License #DOUBLBH859CF

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DP HEATING LLC

HVAC Contractors

Expired

9367 MARCUS AVE S, Seattle, WA

(206) 579-2222

License #DPHEAHL833RE

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ENERGY EFFICIENT SYSTEM LLC

HVAC Contractors

Active License

815 29Th Ave S, Seattle, WA

(206) 573-0968

License #ENERGES843Q9

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ENERGY TECHNOLOGIES LLC

HVAC Contractors

Active License

7311 15th Ave NW Unit C-1, Seattle, WA

(425) 894-4115

License #ENERGTL916K1

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ENTERO SYSTEM SERVICES INC

HVAC Contractors

Active License

PO Box 51062, Seattle, WA

(206) 280-7261

License #ENTERSS892MH

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EVERGREEN REFRIGERATION LLC

HVAC Contractors

Active License

727 S KENYON ST STE A, Seattle, WA

(206) 763-1744

License #EVERGRL813MA

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FEMBOR LLC

HVAC Contractors

Expired

11542 STONE AVE N, #K302, Seattle, WA

(206) 366-8000

License #FEMBOL*814M9

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FURNACEUSA LLC

HVAC Contractors

Expired

113 Cherry St #49254, Seattle, WA

(206) 428-3616

License #FURNAL*812MZ

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GENESEE FUEL & HEATING CO, INC

HVAC Contractors

Active License

3616 S GENESEE ST, Seattle, WA

(206) 722-1545

License #GENESI*001L6

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GLENDALE HEATING & A/C

HVAC Contractors

Active License

12462 DES MOINES MEMORIAL DR, Seattle, WA

(206) 243-7700

License #GLENDHA003CM

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GO GREEN HEATING AC & ELEC LLC

HVAC Contractors

Active License

3218 EASTLAKE AVE E, UNIT 1B, Seattle, WA

(206) 290-4165

License #GOGREGH752DL

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GO GREEN HTG AND A/C LLC

HVAC Contractors

Expired

3218 Eastlake Ave East, Suite 1B, Seattle, WA

(206) 290-4165

License #GOGREGH851RW

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GREAT SUN CORP

HVAC Contractors

Active License

5930 1st Ave S, Seattle, WA

(206) 329-8027

License #GREATSC951D1

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HILLYARD HEATING

HVAC Contractors

Expired

3529 SW 99TH STREET, Seattle, WA

(206) 935-5614

License #HILLYH*117O7

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HOLADAY-PARKS INC

HVAC Contractors

RE-LICENSED

Atten: Anita Dias, 4600 S 134th Place, Seattle, WA

(206) 248-9700

License #HOLADI*001O5

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INDUSTRIAL COMMUNICATIONS LLC

HVAC Contractors

RE-LICENSED

1720 4TH AVE S, Seattle, WA

(206) 264-0971

License #INDUSCL776LL

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INDUSTRIAL HVAC SERVICES

HVAC Contractors

Expired

2450 AURORA AVE N, APT 223, Seattle, WA

(206) 698-4637

License #INDUSHS774N1

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Integrity Energy Systems

HVAC Contractors

Expired

430 S 96th St, Ste 10, Seattle, WA

(425) 419-4676

License #INTEGES852OJ

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JAMES HEATING AND MORE

HVAC Contractors

Expired

10252 42ND AVE SW, Seattle, WA

(206) 923-1876

License #JAMESHM965NW

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JOANIS MECHANICAL LLC

HVAC Contractors

Active License

9849 17TH AVE SW PMB #360, Seattle, WA

(206) 446-7927

License #JOANIML891D3

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KANE AIR LLC

HVAC Contractors

Active License

2602 4TH AVE, APT #5, Seattle, WA

(805) 448-7015

License #KANEAAL755CO

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LONG EQUIPMENT REPAIR PLLC

HVAC Contractors

Active License

12033 56TH PL S, Seattle, WA

(206) 954-7488

License #LONGEER778J5

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LUNA HOME COMFORT LLC

HVAC Contractors

Active License

6336 31ST AVE SW, Seattle, WA

(206) 643-9775

License #LUNAHHC754QQ

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MECHANICAL SERV & INTRGRTN LLC

HVAC Contractors

RE-LICENSED

P.O. BOX 80565, Seattle, WA

(206) 767-7140

License #MECHASI821CF

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METHOD ENERGY LLC

HVAC Contractors

Active License

95 YESLER WAY SUITE 300, Seattle, WA

(206) 789-5553

License #METHOEL771ME

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MJ'S HEATING & AIR COND LLC

HVAC Contractors

Expired

10811 3RD AVE S, Seattle, WA

(206) 687-2101

License #MJSHEHA809RC

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NEUDORFER ENGINEERS INC

HVAC Contractors

RE-LICENSED

5516 1ST AVE S, Seattle, WA

(206) 621-1810

License #NEUDOEI164PD

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NEUDORFER ENGINEERS LLC

HVAC Contractors

Active License

5516 1ST AVE S, Seattle, WA

(206) 621-1810

License #NEUDOEL787LN

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NORTHWEST AIRE SERVICES INC

HVAC Contractors

Expired

PO BOX 66070, Seattle, WA

(206) 241-2657

License #NORTHAS96324

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NW COMMERCIAL SERVICES LLC

HVAC Contractors

Expired

1037 NE 65TH ST #146, Seattle, WA

(206) 228-8597

License #NWCOMCS829NC

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Hiring HVAC Contractors in Seattle, Washington

When hiring hvac contractors in Seattle, Washington, it's essential to verify their license status with the Washington state licensing board. A valid license ensures the contractor meets state requirements for insurance, bonding, and professional competence.

Washington requires all hvac technicians performing work over a certain dollar amount to hold a valid state contractor's license. Our directory pulls directly from official WA state records so you can verify license status before hiring.

Tips for Hiring a HVAC Technician in Seattle

  • Always verify the contractor's license number with the state board
  • Get at least 3 written estimates before choosing
  • Check for proper insurance and bonding
  • Ask for references from recent projects in Seattle
  • Ensure a written contract is in place before work begins

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