HVAC contractors licensed in California

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

• Deus Ex Mechanical
  HVAC · Santa Rosa · #1114457
  Active Insurance current
• Devco Mechanical INC
  HVAC · Roseville · #505507
  Active Insurance current
• Devil Mountain Mechanical Services
  HVAC · Concord · #894957
  Active Insurance expired
• Dew Point Heating and Air Conditioning
  HVAC · El Cajon · #1133826
  Active Insurance current
• Dewberry Design - Builders INC
  General Contractors, HVAC · Fairfax · #999509
  Active Insurance current
• Dewildt Environmental INC
  HVAC · Oceanside · #749748
  Active Insurance current
• Dewpoint Heating & Air Conditioning
  HVAC · Burbank · #969836
  Active Insurance current
• Dexter's Solar Radiant Energy Services
  HVAC · Santa Barbara · #772741
  Active No insurance on file
• Dez Mechanical Systems
  HVAC · Pomona · #952037
  Active Insurance expired
• Dgf Heating & Air Conditioning
  HVAC · Santa Ana · #1118171
  Active Insurance current
• Dgl Air Conditioning & Heating INC
  HVAC · Orange · #622345
  Active Insurance current
• Dha Mechanical INC
  HVAC · Brentwood · #1086837
  Active Insurance current
• Di Cicco's Mechanical INC
  HVAC · Sacramento · #788195
  Active Insurance current
• Diablo Boiler & Steam INC
  HVAC · Antioch · #530963
  Active Insurance current
• Diablo Thermal Systems INC
  HVAC · Walnut Creek · #823200
  Active Insurance current
• Diablo Valley Heating & Air Conditioning
  HVAC · Antioch · #810526
  Active Insurance current
• Dial Leo Heating and Air
  HVAC · Antelope · #969113
  Active Insurance current
• Dial One Schilling Plumbing Heating & Air Conditioning
  Plumbing, HVAC · Lakewood · #582886
  Active Insurance current
• Dial One Sonshine INC
  Electrical, Plumbing · Santa Ana · #1085205
  Active Insurance current
• Diamond Air Services INC
  General Contractors, HVAC · Ontario · #1047483
  Active Insurance current
• Diamond Construction and Waterproofing INC
  Roofing, General Contractors · Mission Hills · #988451
  Active Insurance current
• Diamond Heating & Air
  HVAC · Merced · #1151243
  Active Insurance current
• Diamond Heating and Air
  General Contractors, Electrical · Roseville · #586277
  Active Insurance current
• Diamond HVAC Services INC
  HVAC · Santa Rosa · #1092525
  Active Insurance current
• Diamond Mechanical LLC
  HVAC · Brentwood · #1134349
  Active Insurance current
• Diamond Quality Heating & Air Conditioning
  HVAC · Lancaster · #1008272
  Active Insurance current
• Diamond Service Pros,inc.
  General Contractors, Plumbing · Madera · #1130564
  Active Insurance current
• Diamond Star Mechanical INC
  HVAC · Lathrop · #1122667
  Active Insurance current
• Diaz Pro Velocity a/C & Heating
  HVAC · Moreno Valley · #1106891
  Active Insurance current
• Dickson CO
  Plumbing, HVAC · San Rafael · #352572
  Active Insurance expired
• Dickson CO
  HVAC · San Rafael · #452427
  Active Insurance expired
• Dickson Mechanical
  HVAC · Yuba City · #982514
  Active Insurance current
• Diep Refrigeration
  HVAC · San Jose · #717881
  Active No insurance on file
• Digitemp CO
  HVAC · Encino · #897791
  Active Insurance current
• Dinh Heating and Cooling
  General Contractors, HVAC · Sacramento · #1119364
  Active Insurance current
• Dino Baca DBA Baca H V a C Services
  HVAC · Coulterville · #814708
  Active Insurance current
• Direct Ac INC
  HVAC · Riverside · #933392
  Active Insurance current
• Direct Air and Refrigeration
  HVAC · Fresno · #1001237
  Active Insurance current
• Direct Air Mechanical
  HVAC · Shingle Springs · #1047331
  Active Insurance current
• Direct Digital Controls INC
  Electrical, HVAC · Rancho Cordova · #702114
  Active Insurance current
• Direct Plumbing & Drains INC
  Plumbing, HVAC · Aguanga · #1069024
  Active Insurance current
• Dirk & Sons Heating and Air
  General Contractors, HVAC · Fresno · #1106894
  Active Insurance current
• Dirty Crew Mechanical
  HVAC · Fair Oaks · #1127162
  Active Insurance current
• Disaster Kleenup Specialists INC
  General Contractors, HVAC · Seaside · #458398
  Active Insurance current
• Discount Energy Solution
  HVAC · El Centro · #962609
  Active Insurance current
• Discount HVAC & Appliance Repair
  HVAC · Fairfield · #1127109
  Active Insurance current
• Dispatch Heating, Air Conditioning & Refrigeration
  HVAC · San Diego · #1130496
  Active Insurance current
• Distinctive Metals, Angels Heating & Air Conditioning
  HVAC, Insulation · Angels Camp · #341424
  Active Insurance current
• Div 15 Tech
  General Contractors, HVAC · El Dorado Hills · #828203
  Active Insurance current
• Diverse Mechanical Solutions Heating and Air
  HVAC · Adelanto · #1137976
  Active Insurance current
• Diversified HVAC
  HVAC · Yucca Valley · #932767
  Active Insurance current
• Diversified Thermal Services LLC
  General Contractors, Electrical · Anaheim · #609967
  Active Insurance current
• Divinair Heating and Air Conditioning
  HVAC · Riverside · #964113
  Active Insurance current
• Divine Refrigeration
  HVAC · Oxnard · #1129844
  Active No insurance on file
• Dj Refrigeration Services
  HVAC · Fremont · #924583
  Active No insurance on file
• Dj's LLC DBA Dj's Heating and Air Conditioning
  HVAC · Fair Oaks · #1148431
  Active Insurance current
• Djk Mechanical INC
  HVAC · Chula Vista · #1043843
  Active Insurance expiring soon
• Dk Air & Refrigeration
  HVAC · Diamond Bar · #1123000
  Active No insurance on file
• Dk Facility Maintenance and Construction
  General Contractors, Plumbing · Inglewood · #1083390
  Active Insurance current
• Dl & Ce Mechanical INC
  HVAC · San Pablo · #1162374
  Active Insurance current
• Dl HVAC
  HVAC · Walnut · #1120809
  Active Insurance current
• Dlg Heating & Air Conditioning Corp
  HVAC · National City · #1058447
  Active Insurance current
• Dlo Heating and Air Conditioning
  HVAC · Lathrop · #1105826
  Active Insurance current
• Dm Mechanical INC
  HVAC · Alta Loma · #1104592
  Active Insurance current
• Dma Mechanical INC
  HVAC · San Diego · #1071053
  Active Insurance current
• Dmc Contractors
  General Contractors, HVAC · San Diego · #1115189
  Active Insurance current
• Dmg Enterprises INC
  General Contractors, Electrical · San Francisco · #833910
  Active Insurance expiring soon
• Dmg Sc LLC
  General Contractors, Electrical · Orange · #1137401
  Active Insurance expiring soon
• Dmitriy Olevskiy
  HVAC · West Hills · #979336
  Active Insurance current
• Dmitry Grigoryev
  HVAC · Winnetka · #1024324
  Active Insurance current
• Dms Air INC
  HVAC · San Dimas · #1086341
  Active Insurance current
• Dna Bros Mechanical
  HVAC · Fresno · #1160081
  Active Insurance current
• Dna Heating and Cooling INC
  HVAC · Panorama City · #1046362
  Active Insurance current
• Dna Mechanical
  HVAC · Riverside · #1018087
  Active Insurance current
• Dni Networks INC DBA Dni Air Conditioning and Heating INC
  Electrical, HVAC · Chino Hills · #1098322
  Active Insurance current
• Dnr a/C & Heating INC
  HVAC · Burbank · #945200
  Active Insurance current
• Dns Security
  General Contractors, Electrical · Baldwin Park · #1118308
  Active Insurance current
• Do - Efficiency
  HVAC, Painting · Palm Desert · #902015
  Active Insurance current
• Do Builder & Design INC
  General Contractors, Electrical · Fountain Valley · #994497
  Active No insurance on file
• Do HVAC INC
  HVAC · Penn Valley · #1067074
  Active Insurance current
• Do's Air Conditioning and Refrigeration
  HVAC · Garden Grove · #964707
  Active Insurance current
• Doair INC
  HVAC · Rancho Cucamonga · #1104424
  Active Insurance current
• Doak Heating and Air Conditioning
  HVAC · Paradise · #1056626
  Active Insurance current
• Doan Construction Services
  General Contractors, HVAC · Garden Grove · #927962
  Active Insurance current
• Doc Miller's Heating and Air
  Electrical, HVAC · Paso Robles · #984789
  Active Insurance current
• Doctor Air INC
  HVAC · Canoga Park · #1107872
  Active Insurance current
• Doctor Home Services INC DBA Pr Wave Mechanical Contractors
  HVAC · Vista · #1089024
  Active Insurance current
• Doctor P Plumbing, Heating, and Airconditioning INC
  General Contractors, Plumbing · Burbank · #1100981
  Active Insurance current
• Doke's Plumbing Heating & Cooling
  Plumbing, HVAC · San Rafael · #801049
  Active Insurance current
• Dominion Ac & Heating
  HVAC · Twin Peaks · #1089062
  Active Insurance current
• Dominique Dinner Heating & Sheetmetal INC
  HVAC · Monterey · #1117034
  Active Insurance current
• Don Air
  General Contractors, HVAC · Canyon Country · #566937
  Active Insurance current
• Don Bailey's Heat and Air
  HVAC · Hemet · #967845
  Active Insurance current
• Don Brandel Plumbing INC
  General Contractors, Plumbing · Paramount · #176778
  Active Insurance current
• Don C George INC DBA George Roofing
  Roofing, General Contractors · Oroville · #452266
  Active No insurance on file
• Don Davis Heating & Cooling INC
  HVAC · Coarsegold · #1144363
  Active Insurance expired
• Don E Kadlec HVAC
  Plumbing, HVAC · Santa Ynez · #809445
  Active Insurance current
• Don Hays Heating & Air Conditioning
  HVAC · Redding · #1073866
  Active Insurance current
• Don Wallingsford INC
  HVAC · Anaheim · #408081
  Active Insurance current
• Don Wilkes Jr
  HVAC · Gardena · #1101248
  Active Insurance current

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