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.
- COMFORT ZONEEXPIRED
Tacoma, WA · License COMFOZ*100MS · First registered 1990
- COMFORT ZONE HTNG & A/C INCEXPIRED
East Wenatchee, WA · License COMFOZH976CJ · First registered 2003
- COMMERCIAL COOLANTS INCEXPIRED
Waller, TX · License COMMECI874NK · First registered 2013
- COMMERCIAL COOLER CONST&REFRIGOUT OF BUSINESS
Portland, OR · License COMMECC837PT · First registered 2017
Tumwater, WA · License COMMUHL875OO · First registered 2013
- COMPLETE HEATING AND A/C LLCRE-LICENSED
Auburn, WA · License COMPLHC822CN · First registered 2018
The Dalles, OR · License COMPTFC901P1 · First registered 2010
- CON-AIR HEATING & A/C INCSUSPENDED
Coeur D Alene, ID · License CONAIHC763PW · First registered 2024
- CONDENSER & CHILLER SRVCS INCOUT OF BUSINESS
Chino, CA · License CONDECS094Q5 · First registered 1991
- CONNER'S HEATING & COOLINGEXPIRED
Corbett, OR · License CONNEHC841CZ · First registered 2016
- CONRAD HEATING & COOLINGSUSPENDED
Aloha, OR · License CONRAHC766BH · First registered 2024
- CONSERVE PRO LLCEXPIRED
Kennewick, WA · License CONSEPL835PF · First registered 2017
- CONSISTENT CLIMATE HTG & CLNGRE-LICENSED
Kelso, WA · License CONSICH755D7 · First registered 2025
- COOL-TECHEXPIRED
Entiat, WA · License COOLT**770QN · First registered 2023
- COOLFLOW LLCEXPIRED
Arlington, WA · License COOLFL*785OG · First registered 2022
- CORKINS HTG & AIR CONDITNG LLCSUSPENDED
Spokane, WA · License CORKIHA759M9 · First registered 2025
- COULSON REFRIGERATION INCEXPIRED
Moses Lake, WA · License COULSRI014CP · First registered 1999
- COZY COMFORT HEATING & AIREXPIRED
Cle Elum, WA · License COZYCCH822CE · First registered 2018
- CRACKERJACK AIR PROS LLCEXPIRED
Bothell, WA · License CRACKAP791MA · First registered 2021
- CREAMER HEATING & A/C INCEXPIRED
Boise, ID · License CREAMHA070DD · First registered 1993
- CRYSTAL CREEK DAIRY SERV INCEXPIRED
Dallas, OR · License CRYSTCD843K5 · First registered 2016
- CYGNATU'RE HEATING & AIR INCEXPIRED
Brush Prairie, WA · License CYGNAHA853ND · First registered 2015
- Clemco Heating & CoolingEXPIRED
Sequim, WA · License CLEMCHC811MA · First registered 2019
- D C HTG & AIR CONDITIONING INCSUSPENDED
Vancouver, WA · License DCHTGCH959L8 · First registered 2005
- D K B INCEXPIRED
Kennewick, WA · License DKBIN**020JG · First registered 1999
- D&D HEAT AND A/CEXPIRED
Snohomish, WA · License DDHEAHC811KZ · First registered 2019
- D&T ServicesEXPIRED
Selah, WA · License DTSERS*825L9 · First registered 2018
- D-N-D HEATING & A/C LLCRE-LICENSED
Everett, WA · License DNDHEND802DJ · First registered 2020
- DANA HATCH HEATING & COOLINGEXPIRED
Vernal, UT · License DANAHHH823J5 · First registered 2018
- DANBRIO LLCSUSPENDED
Bellevue, WA · License DANBRL*803PW · First registered 2020
Brush Prairie, WA · License DANNYHC882JP · First registered 2012
- DC SERVICESEXPIRED
Tenino, WA · License DCSERS*782JG · First registered 2022
- DEJUANS HTG CLN RF EX HC LLCEXPIRED
Veradale, WA · License DEJUAHC819OS · First registered 2019
- DELTA T MECHANICALSUSPENDED
Folsom, CA · License DELTATM753KW · First registered 2025
- DELTAIRE LLCEXPIRED
Redmond, WA · License DELTAL*911JA · First registered 2009
- DEMAND HVAC INCEXPIRED
Spokane Valley, WA · License DEMANHI774NA · First registered 2023
- DEPENDABLE REFRIGERATION INCEXPIRED
Grants Pass, OR · License DEPENRI984RE · First registered 2002
- DESERT COOLINGEXPIRED
Pasco, WA · License DESERC*925DM · First registered 2008
- DICKINSON INC.EXPIRED
Arlington, WA · License DICKII*782Q9 · First registered 2022
Kelso, WA · License DIVERMS955J8 · First registered 2005
- DNR ELECTRICAL & MECH LLCEXPIRED
Tumwater, WA · License DNRELEM835RM · First registered 2017
- DOUBLE BOND HEATING AND AIREXPIRED
Seattle, WA · License DOUBLBH859CF · First registered 2015
- DOUBLE R HVAC LLCRE-LICENSED
Lakewood, WA · License DOUBLRH802RC · First registered 2020
- DP HEATING LLCEXPIRED
Seattle, WA · License DPHEAHL833RE · First registered 2017
- DR.HVAC & REFRIGERATION LLCEXPIRED
Umatilla, OR · License DRHVARL777K2 · First registered 2023
- DREW HEATING SERVICEOUT OF BUSINESS
Olympia, WA · License DREWHS*024JG · First registered 1998
- DSI RECYCLING SYSTEMS INCEXPIRED
Janesville, WI · License DSIRERS861O9 · First registered 2014
- DUCT CLEANING SERVICESRE-LICENSED
Federal Way, WA · License DUCTCCS908PO · First registered 2010
- DUCTLESS BY DESIGN LLCEXPIRED
Salem, OR · License DUCTLDL801OA · First registered 2020
Clackamas, OR · License DUCTZGP922JZ · First registered 2008