HVAC contractors licensed in California

Every active California license that lists hvac work, sorted by name.

• Don's Heating & Air Conditioning INC
  HVAC · Santa Barbara · #483508
  Active Insurance current
• Don's Heating and Cooling
  HVAC · Rancho Cordova · #1038578
  Active Insurance current
• Don's Plumbing & Heating CO
  General Contractors, Plumbing · Los Angeles · #372403
  Active Insurance current
• Don't Sweat It HVAC
  HVAC · San Bernardino · #1117957
  Active Insurance current
• Donald G Lopiccolo
  General Contractors, Plumbing · Rancho Cucamonga · #477410
  Active Insurance current
• Donald Manthey
  General Contractors, HVAC · Fountain Valley · #693589
  Active Insurance current
• Donald P Dick Air Conditioning INC
  Electrical, Plumbing · Fresno · #271615
  Active Insurance current
• Donald Professional
  Electrical, Plumbing · Hercules · #638599
  Active No insurance on file
• Donald Sherman Electric
  Electrical, HVAC · San Clemente · #743679
  Active Insurance current
• Donate's Boiler Corporation
  Plumbing, HVAC · Downey · #663324
  Active Insurance current
• Doncam American INC DBA Discount Plumbing, Heating & Air
  General Contractors, Plumbing · Manteca · #940426
  Active Insurance current
• Done Right Construction
  General Contractors, HVAC · Pilot Hill · #857143
  Active Insurance current
• Done Right Heating and Air Conditioning
  HVAC · Auburn · #943874
  Active Insurance expiring soon
• Done Right HVAC Services LLC
  HVAC · Santa Rosa · #1122386
  Active Insurance current
• Done Rite Heating & Air INC
  HVAC · Perris · #1100840
  Active Insurance expired
• Done Wright Heating and Air
  HVAC · Atwater · #1151038
  Active Insurance current
• Dongyi INC
  General Contractors, Electrical · El Monte · #1067314
  Active Insurance current
• Donner Heating and Air
  HVAC · Truckee · #1092256
  Active Insurance current
• Donner Mechanical Heating & Air
  HVAC · Meadow Vista · #1133101
  Active Insurance current
• Dooley's Heating & Air
  HVAC · Suisun City · #876936
  Active Insurance current
• Dor Fire Services INC
  General Contractors, Electrical · Agua Dulce · #1107138
  Active Insurance current
• Dori's Heating & Air Conditioning INC
  HVAC · La Quinta · #1064784
  Active Insurance current
• Dormatech Mechanical Systems INC
  HVAC · Vallejo · #1005012
  Active Insurance current
• Dorr Mechanical
  HVAC · Sacramento · #1120083
  Active Insurance current
• Dorsett Mechanical
  HVAC · Diamond Springs · #1097899
  Active Insurance current
• Dossie Heating and Air Conditioning
  HVAC · Corning · #1032964
  Active Insurance current
• Dot'n Sons Heating and Air
  HVAC · Smartsville · #522206
  Active Insurance current
• Dotz INC
  General Contractors, Electrical · Van Nuys · #1033830
  Active Insurance current
• Double R Heating & Air Conditioning INC
  Plumbing, HVAC · Tracy · #1057850
  Active Insurance current
• Doug Browne DBA Environmental Engineering Enterprises
  General Contractors, Electrical · Anaheim · #558442
  Active Insurance current
• Doug Kelly INC
  HVAC · Moreno Valley · #849038
  Active Insurance current
• Doug's Air H V a C
  HVAC · Arleta · #819808
  Active Insurance current
• Doug's Heating and Air Conditioning Services
  HVAC · Sacramento · #877799
  Active Insurance current
• Dougals G Schmitz INC
  HVAC · Long Beach · #1109286
  Active Insurance current
• Douglas Frost
  HVAC · Poway · #1024586
  Active Insurance current
• Douglas HVAC
  HVAC · La Verne · #1085919
  Active Insurance current
• Douglas Mechanical Services
  HVAC · Los Alamitos · #1021651
  Active Insurance current
• Dove Air INC
  HVAC · Cathedral City · #794315
  Active Insurance current
• Dowdle & Sons Mechanical INC
  General Contractors, Plumbing · American Canyon · #542743
  Active Insurance current
• Downey Heating & Cooling INC
  HVAC · Etna · #855692
  Active Insurance current
• Downey Plumbing Heating & Air Conditioning CO INC
  Plumbing, HVAC · Downey · #731172
  Active Insurance current
• Downey Refrigeration CO
  HVAC · Downey · #775388
  Active Insurance current
• Downing Heating INC
  HVAC · Novato · #1080113
  Active Insurance expired
• Doxy Mechanical
  HVAC · Indio · #1156005
  Active Insurance current
• Doyle Mechanical
  HVAC · Twain Harte · #578788
  Active Insurance current
• Dp Home Services
  General Contractors, Electrical · San Gabriel · #911149
  Active Insurance expiring soon
• Dpl Air Conditioning INC
  HVAC · Placentia · #801191
  Active Insurance current
• Dpw INC
  Plumbing, HVAC · South San Francisco · #684939
  Active Insurance current
• Dr a/C INC
  HVAC · Tarzana · #968838
  Active Insurance current
• Dr Air Pro Services
  HVAC · Irvine · #1151974
  Active Insurance current
• Dr Dio Heating & Air Conditioning
  HVAC · Hacienda Heights · #988248
  Active Insurance current
• Dr Ductless
  Electrical, HVAC · Hermosa Beach · #1019804
  Active No insurance on file
• Dr HVAC
  HVAC · Moorpark · #1038749
  Active Insurance current
• Dr HVAC LLC
  HVAC · San Marcos · #1157724
  Active Insurance current
• Dr Koldaire
  HVAC · Van Nuys · #587793
  Active Insurance current
• Dr Koolds HVAC Services
  HVAC · Fresno · #1116685
  Active Insurance current
• Dr Refrigeration
  HVAC · Lennox · #699120
  Active Insurance current
• Dr's Heating and Cooling Services
  HVAC · Corona · #1109674
  Active Insurance current
• Dragon View Air Conditioning and Electrics INC
  Electrical, HVAC · Fontana · #1026694
  Active Insurance current
• Dragonfly Heating and Cooling
  Plumbing, HVAC · Riverside · #934601
  Active Insurance current
• Drain Pro
  Plumbing, HVAC · Lawndale · #631384
  Active Insurance current
• Drain Pros
  Plumbing, HVAC · Florence · #1045183
  Active Insurance current
• Drain Right Services INC
  Plumbing, HVAC · Gardena · #852708
  Active Insurance expired
• Drd Mechanical INC
  HVAC · Sacramento · #1123996
  Active Insurance current
• Dre's Heating & a / C
  HVAC · San Diego · #826794
  Active Insurance current
• Dream Air Corp
  HVAC · Fontana · #1146079
  Active Insurance expiring soon
• Drewco Air Conditioning
  HVAC · Newbury Park · #1052839
  Active Insurance current
• Drive Solutions
  HVAC · Bonsall · #915347
  Active Insurance current
• Dro Pro HVAC
  HVAC · Ramona · #1107473
  Active Insurance current
• Drones HVAC
  HVAC · Lancaster · #1098629
  Active Insurance current
• Droze Cooling
  HVAC · Hollister · #1158686
  Active No insurance on file
• Dry Master
  General Contractors, Plumbing · Mission Viejo · #1120948
  Active Insurance expiring soon
• Dryer Vent Wizard
  HVAC · Los Angeles · #1123357
  Active Insurance current
• Ds HVAC INC
  HVAC · Ontario · #1132699
  Active Insurance current
• Dss High Performance HVAC Solutions
  HVAC · Ontario · #1158389
  Active Insurance current
• Dt Mechanical
  HVAC · San Leandro · #954729
  Active Insurance current
• Dt Mechanical Heating & Air
  HVAC · Merced · #1124518
  Active Insurance current
• Dual Temp Refrigeration
  HVAC · Los Angeles · #1140054
  Active Insurance current
• Dualtech Solutions
  Electrical, HVAC · Irvine · #1140953
  Active Insurance current
• Duarte Mechanical
  HVAC · Bakersfield · #1118460
  Active Insurance current
• Duchess Heating & Air Conditioning INC
  HVAC · Whittier · #1114630
  Active Insurance current
• Ducks Plumbing Heating Air
  Plumbing, HVAC · Sacramento · #1022840
  Active Insurance current
• Duct Care Services
  HVAC · Brentwood · #1028890
  Active Insurance current
• Duct Dynasty Heating & Air
  HVAC · San Diego · #1010169
  Active Insurance current
• Duct Hunter
  HVAC · Fresno · #1065715
  Active Insurance current
• Ductless Heating and Cooling
  HVAC · Lynwood · #1037593
  Active Insurance current
• Ducts Ina Row
  HVAC · Redding · #957746
  Active Insurance current
• Ductworks
  HVAC, Demolition · Somerton · #799489
  Active Insurance current
• Duff Mechanical Services
  HVAC · Aguanga · #1109379
  Active Insurance expired
• Dugan Climate Control
  HVAC · Calexico · #981318
  Active Insurance current
• Dugan Heating & Air Conditioning
  HVAC · Temecula · #907192
  Active Insurance current
• Duke's Heating & Air Conditioning LLC
  HVAC · Newark · #860923
  Active Insurance current
• Dunbar Comfort Solutions INC
  HVAC · Rancho Cordova · #991019
  Active Insurance current
• Dunham & Sons Air - Heating - Plumbing
  Plumbing, HVAC · Hemet · #680799
  Active Insurance current
• Dunham Mechanical Services
  HVAC · Riverside · #993612
  Active Insurance current
• Dunmire Climate Control
  HVAC · San Jacinto · #918087
  Active Insurance current
• Dunn - Rite Heating & Air
  Plumbing, HVAC · Garden Grove · #845225
  Active Insurance current
• Dunn Plumbing Heating & Air Conditioning INC
  Plumbing, HVAC · Rancho Cucamonga · #712182
  Active Insurance current
• Dunright Heating & Air Conditioning
  HVAC · Phelan · #1105467
  Active Insurance expiring soon
• Dunrite Heating & Air INC
  HVAC · Los Gatos · #963432
  Active Insurance current

Last checked against state records on Oct 6, 2026. How we get this data.