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.
- GLAD HEATING/AIR CONDITIONINGRE-LICENSED
Everett, WA · License GLADHHC841P8 · First registered 2016
- GLASTRA HEATING INCEXPIRED
Seattle, WA · License GLASTH*280RA · First registered 1972
- GO GREEN HTG AND A/C LLCEXPIRED
Seattle, WA · License GOGREGH851RW · First registered 2015
Burien, WA · License GREENSH837JD · First registered 2017
- GREEN STATE HEATING LLCEXPIRED
Covington, WA · License GREENSH802C4 · First registered 2020
- GREEN TOP CONSTRUCTION LLCRE-LICENSED
Kent, WA · License GREENTC823O6 · First registered 2018
- GREENLAKE HEATING & COOLINGSUSPENDED
Marysville, WA · License GREENHC756M2 · First registered 2025
- GREY WOLF HVAC INCEXPIRED
Vancouver, WA · License GREYWWH957QB · First registered 2005
- GRIZZLY HOME SYSTEMS LLCEXPIRED
Everett, WA · License GRIZZHS789JQ · First registered 2022
- Golden Eagle Htng & Clng LLCEXPIRED
Mercer Island, WA · License GOLDEEH835BD · First registered 2017
- Greentech IncEXPIRED
Federal Way, WA · License GREENI*887LK · First registered 2012
- H & N SHEETMETAL INCEXPIRED
Longview, WA · License HNSHENS955JA · First registered 2005
- HAKIMI HVAC LLCRE-LICENSED
Covington, WA · License HAKIMHL765RO · First registered 2024
- HALLMARK HEATINGRE-LICENSED
Bellingham, WA · License HALLMH*824MT · First registered 2018
- HALLMARK HEATING SERVICES INCSUSPENDED
Bellingham, WA · License HALLMHS796LB · First registered 2021
- HANSON MECHANICAL LLCEXPIRED
Marysville, WA · License HANSOML771KQ · First registered 2023
- HARDIN & SONS INCOUT OF BUSINESS
Edgewood, WA · License HARDISI802NP · First registered 2020
- HARRISON HEATING INCEXPIRED
Orting, WA · License HARRIHI818JR · First registered 2019
- HARRISON MECHANICAL INCEXPIRED
Snohomish, WA · License HARRIMI938LF · First registered 2007
- HEALTHIER AIR & HEATING LLCSUSPENDED
Vashon, WA · License HEALTAH961OZ · First registered 2004
- HEAT EXCHANGE INC, THEEXPIRED
Portland, OR · License HEATEEI930CZ · First registered 2007
- HEATING & RADIANT LLCEXPIRED
Renton, WA · License HEATIRL781LZ · First registered 2022
- HEATING SPECIALIST INC, THEEXPIRED
Portland, OR · License HEATISI110CP · First registered 1989
Poulsbo, WA · License HEATPBR788KU · First registered 2022
- HEATTRANSFER COEXPIRED
Carnation, WA · License HEATT**206Q0 · First registered 1980
- HELIOS HVACR SERVICES LLCSUSPENDED
Maitland, FL · License HELIOHS757DK · First registered 2025
- HERITAGE IMAGING INCRE-LICENSED
Boise, ID · License HERITII777O7 · First registered 2023
- HERITAGE SYSTEMS SERVICESEXPIRED
Boise, ID · License HERITSS768L6 · First registered 2024
- HIGHLINE TECHNICAL SRVS INCEXPIRED
Everett, WA · License HIGHLTS841DG · First registered 2016
- HILL MECHANICAL LLCEXPIRED
Zillah, WA · License HILLMML839RL · First registered 2017
- HILL PHOENIX INCEXPIRED
Phoenix, AZ · License HILLPPI869OZ · First registered 2014
Rochester, WA · License HILLTMS955LB · First registered 2005
- HILLYARD HEATINGEXPIRED
Seattle, WA · License HILLYH*117O7 · First registered 1989
- HINTERLAND SERVICESEXPIRED
Moses Lake, WA · License HINTES*786KC · First registered 2022
- HOLDEN'S LLCEXPIRED
Chelan, WA · License HOLDEL*831JD · First registered 2017
- HOMEAIRE LLCEXPIRED
Snohomish, WA · License HOMEAL*783LF · First registered 2022
- HOMELAND CONST CO INCEXPIRED
Kingston, WA · License HOMELCC813LC · First registered 2020
- HONEST AIRRE-LICENSED
Pasco, WA · License HONESA*831DP · First registered 2017
- HOOD CANAL HEATING & COOLINGEXPIRED
Belfair, WA · License HOODCCH821O1 · First registered 2018
- HORTON'S HEATING & AIR CONEXPIRED
Fullerton, CA · License HORTOHA762C9 · First registered 2024
Las Vegas, NV · License HOTDEDA805DD · First registered 2020
- HOVEY HEATING & COOLING LLCEXPIRED
Snohomish, WA · License HOVEYHC771PJ · First registered 2023
- HUDEN HEATING LLCEXPIRED
Lynnwood, WA · License HUDENHL762NN · First registered 2024
- HUNTER MECHANICALSUSPENDED
Renton, WA · License HUNTEM*984JD · First registered 2002
- HUSKY HEATING & COOLING LLCEXPIRED
Newberg, OR · License HUSKYHC866KT · First registered 2014
- HVAC HEATING & AIREXPIRED
Medical Lake, WA · License HVACHHA814CM · First registered 2019
- HVAC LIFE LLCEXPIRED
Spokane, WA · License HVACLLL767JN · First registered 2024
Puyallup, WA · License HYDRARD885L7 · First registered 2012
- Hard Pipe LLCEXPIRED
Camas, WA · License HARDPPL831JK · First registered 2017
- Harrison Heating and A/C LLCEXPIRED
Orting, WA · License HARRIHC862O9 · First registered 2014