HVAC contractors in Washington

868 active hvac contractors are registered with Washington L&I. 1,598 registrations are on record in all, including expired and other statuses.

190 of the active hvac contractors registered in Washington are based in other states.

All 1,598 registrations on record

Businesses by registered name and license number. Show only the 868 active registrations.

Home Illuminated LLCEXPIRED
Port Townsend, WA · License HOMEIIL820M6 · First registered 2018
IBK MECHANICAL INCRE-LICENSED
Spring, TX · License IBKMEMI755K4 · First registered 2025
ICE REFRIGERATION/HEATING INCEXPIRED
Oak Harbor, WA · License ICERERI920PP · First registered 2008
ICICLE HVAC & REFRIGERATIONEXPIRED
Leavenworth, WA · License ICICLHR815CR · First registered 2019
IMPERIAL HEATING AND COOLINGEXPIRED
Maple Falls, WA · License IMPERHC842KP · First registered 2016
INDUSTRIAL BOILER SERVICE INCOUT OF BUSINESS
Snohomish, WA · License INDUSBS984CO · First registered 2002
INDUSTRIAL HVAC SERVICESEXPIRED
Seattle, WA · License INDUSHS774N1 · First registered 2023
INTEGRITY BOILER SERVICES LLCEXPIRED
Renton, WA · License INTEGBS877NM · First registered 2013
INTEGRITY CONTRACTING LLCSUSPENDED
Lake Tapps, WA · License INTEGCL758JS · First registered 2025
INTEGRITY HEATING AND AIR LLCEXPIRED
Spokane, WA · License INTEGHA767JP · First registered 2024
INTEGRITY HVAC LLCSUSPENDED
Ferndale, WA · License INTEGHL772C1 · First registered 2023
INTERCOOL USA LLCEXPIRED
Carrollton, TX · License INTERUL803DE · First registered 2020
INTERLOCK MECHANICAL LLCEXPIRED
Spanaway, WA · License INTERML780DC · First registered 2022
ISLAND MECHANICAL LLCEXPIRED
Olympia, WA · License ISLANML843KF · First registered 2016
J & H MECHANICALEXPIRED
Vancouver, WA · License JHMECHM835QG · First registered 2017
J & M SERVICESEXPIRED
Yacolt, WA · License JMSERMS921P2 · First registered 2008
J AND B HEATING AND ACEXPIRED
Yakima, WA · License JBHEABH935D6 · First registered 2007
J W BROWER HEATING & AIR CONDEXPIRED
Tacoma, WA · License JWBROHA159NR · First registered 1985
JA BERTSCH HEATING/COOLING LLCEXPIRED
Coeur D Alene, ID · License JABERBH922OC · First registered 2008
JACK FROST CORE-LICENSED
Wauna, WA · License JACKFFC815MB · First registered 2019
JACK R GAGE REFRIGERATION INCEXPIRED
Logan, UT · License JACKRRG802RP · First registered 2021
JACOB AIR LLCEXPIRED
The Dalles, OR · License JACOBAL832PZ · First registered 2017
JAKE SMITH'S HTG & COOLING INCEXPIRED
Ellensburg, WA · License JAKESSH906LA · First registered 2010
JAKE'S FURNACE REPAIR INCEXPIRED
Puyallup, WA · License JAKESFR023MH · First registered 1998
JAMES HEATING AND MOREEXPIRED
Seattle, WA · License JAMESHM965NW · First registered 2004
JASON'S HEATING & A/CEXPIRED
Ritzville, WA · License JASONHA950BS · First registered 2005
JEFF FRENCH CONSTRUCTION INCEXPIRED
Bonney Lake, WA · License JEFFFFC811JH · First registered 2019
JET CITY DUCT VAC INCEXPIRED
Edmonds, WA · License JETCICD920MN · First registered 2008
JET HEATING AND COOLINGRE-LICENSED
Bremerton, WA · License JETHEHC855OT · First registered 2015
JH NORTHWEST LLCEXPIRED
Bellingham, WA · License JHNORNL782MK · First registered 2022
JIM'S HEATINGRE-LICENSED
Friday Harbor, WA · License JIMSHH*915QP · First registered 2009
JKS HTG CLNG/RFRG SERV&RPR LLCEXPIRED
Richland, WA · License JKSHTHC824NF · First registered 2018
JM HEATING & COOLINGEXPIRED
Loon Lake, WA · License JMHEAHC814NK · First registered 2019
JM MECHANICAL HVAC/REXPIRED
Maple Valley, WA · License JMMECMH825JZ · First registered 2018
JON'S HEATING & COOLINGEXPIRED
Tacoma, WA · License JONSHHC792PK · First registered 2021
JP AIR & cONSTRUCTIONEXPIRED
Auburn, WA · License JPAIRAC806C8 · First registered 2020
JP HEATING & AIR CONDITIONINGEXPIRED
Federal Way, WA · License JPHEAHA847LZ · First registered 2016
Jacobson HTG & A/C LLCEXPIRED
Anacortes, WA · License JACOBHC848RA · First registered 2016
Jacobson Mechanical IncEXPIRED
Lake Stevens, WA · License JACOBMI878L8 · First registered 2013
KALMEY HEATINGEXPIRED
Snohomish, WA · License KALMEH*066PD · First registered 1994
KANE AIR LLCSUSPENDED
Seattle, WA · License KANEAAL755CO · First registered 2025
KB CONTRACTORS LLCEXPIRED
Monroe, WA · License KBCONCL765C7 · First registered 2024
KEEN CLIMATE CHNG HTG & AC INCOUT OF BUSINESS
Entiat, WA · License KEENCCC911PM · First registered 2009
KELVIN COOLING/HEATING SERVICEEXPIRED
Burlington, WA · License KELVICS077LC · First registered 1993
KING MECHANICALEXPIRED
Spokane, WA · License KINGMM*760NE · First registered 2024
KIRKLAND HEATING & COOLING LLCEXPIRED
Redmond, WA · License KIRKLHC833PJ · First registered 2017
KITSAP GAS PIPINGEXPIRED
Silverdale, WA · License KITSAGP920JC · First registered 2008
KLUMPER KOMPANY LLCEXPIRED
Kirkland, WA · License KLUMPKL789PQ · First registered 2022
KNEEHIGH CONSTRUCTION, LLCEXPIRED
Moses Lake, WA · License KNEEHCL782PC · First registered 2022
KNIGHT HEATING AND COOLING INCEXPIRED
Sequim, WA · License KNIGHHC840MO · First registered 2016