HVAC contractors licensed in California

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

• Northwind Refrigeration INC
  HVAC · Avalon · #824449
  Active Insurance current
• Northwinds Air LLC
  HVAC · Riverside · #1139565
  Active Insurance current
• Norton Air Heating & Ac
  HVAC · San Bernardino · #819746
  Active Insurance current
• Norton General Contractors
  General Contractors, Electrical · Ontario · #909595
  Active Insurance current
• Norwalk-La Mirada Plumbing & Heating CO INC
  Plumbing, HVAC · Norwalk · #271767
  Active Insurance current
• Nova Heating and Ac
  HVAC · Sun Valley · #1086670
  Active Insurance current
• Nova Heating and Air Conditioning
  HVAC · Merced · #1024961
  Active Insurance current
• Novell Custom Heating & Air Conditioning Company
  HVAC · Upland · #958830
  Active Insurance current
• Novix Mechanical INC
  HVAC · San Diego · #1019006
  Active Insurance current
• Nowakowski INC
  Plumbing, HVAC · Oceanside · #1118230
  Active Insurance current
• Noy's Air Conditioning and Heating
  HVAC · Glendora · #956675
  Active Insurance current
• Nr HVAC
  HVAC · San Diego · #1130921
  Active Insurance current
• Nswc Mechanical Service LLC
  Electrical, Plumbing · Anaheim · #1033724
  Active Insurance current
• Nt Bay Area Construction INC
  General Contractors, Plumbing · San Jose · #1035630
  Active Insurance current
• Nt Electric & HVAC INC
  Electrical, HVAC · Garden Grove · #959727
  Active Insurance current
• Nu Aire Heating & a/C
  HVAC · Corona · #797860
  Active Insurance expired
• Nu-Air Services INC
  HVAC · Chatsworth · #735718
  Active Insurance expiring soon
• Nuair Solutions LLC
  HVAC · Los Angeles · #1148849
  Active Insurance current
• Nunez & Sons Heating & Air Conditioning INC
  HVAC · Arvin · #1152137
  Active Insurance current
• Nunez Heating & Air Conditioning
  HVAC · San Jose · #756332
  Active Insurance current
• Nur HVAC INC
  HVAC · Burlingame · #1109103
  Active Insurance current
• Nutt Refrigeration
  HVAC · Fairfield · #849495
  Active No insurance on file
• Nuwave International Industries INC
  General Contractors, Electrical · Signal Hill · #1000182
  Active Insurance current
• Nvc Chiller INC
  HVAC · Dublin · #1114924
  Active Insurance current
• NW Industrial Mechanics INC
  HVAC · Vancouver · #726315
  Active No insurance on file
• Nwp Heating and Air
  HVAC · Concord · #1133687
  Active Insurance expired
• O & J Appliance Repair INC
  HVAC · North Hollywood · #913341
  Active Insurance current
• O & M Industries
  General Contractors, Electrical · Arcata · #284930
  Active Insurance expired
• O a R Heating & Air
  HVAC · Stockton · #977099
  Active Insurance current
• O C Hi Tech Service
  Electrical, HVAC · Fullerton · #931434
  Active Insurance current
• O C Mc Donald CO INC
  General Contractors, Plumbing · San Jose · #177271
  Active Insurance current
• O J Commercial Refrigeration INC
  HVAC · Bakersfield · #1021049
  Active Insurance current
• O K Appliance
  HVAC · Northridge · #545110
  Active Insurance current
• O M G Services
  HVAC · Chula Vista · #939006
  Active No insurance on file
• O R Cooling
  HVAC · El Centro · #1135648
  Active Insurance current
• O R HVAC
  HVAC · San Jose · #1038149
  Active Insurance current
• O'brien Mechanical INC II
  Plumbing, HVAC · San Francisco · #754629
  Active Insurance current
• O'brien Refrigeration
  HVAC · San Diego · #1018152
  Active No insurance on file
• O'connor Roofing Construction INC
  Roofing, General Contractors · Spring Valley · #520956
  Active Insurance current
• O'donnell Heating & Air INC
  HVAC · Quartz Hill · #910978
  Active Insurance current
• O'keeffe's INC
  General Contractors, Electrical · Brisbane · #101981
  Active Insurance current
• O'mahony Air Conditioning and Heating INC
  HVAC · Glendora · #871945
  Active Insurance current
• Oak HVAC Service
  HVAC · Beaumont · #1137189
  Active Insurance current
• Oak Street Refrigeration INC
  Electrical, HVAC · Sonoma · #640199
  Active Insurance current
• Oak Valley Appliance
  HVAC · Tehachapi · #726919
  Active Insurance current
• Oakdale Refrigeration Heating & Air Conditioning
  HVAC · Oakdale · #704517
  Active Insurance current
• Oakley Heating and Air LLC
  HVAC · Oakley · #1125470
  Active Insurance current
• Oakridge Construction & Energy
  General Contractors, Electrical · Yucaipa · #975448
  Active Insurance current
• Oakridge Maintenance
  General Contractors, Plumbing · Winters · #643178
  Active Insurance current
• Oasis Air and Solar
  Plumbing, HVAC · Bakersfield · #1038061
  Active Insurance expired
• Oasis Air Conditioning & Heating
  HVAC · San Juan Capistrano · #767272
  Active Insurance current
• Oasis Air Conditioning INC
  General Contractors, Plumbing · Bakersfield · #297547
  Active Insurance expired
• Oasis Comfort Cooling and Heating INC
  HVAC · Sherman Oaks · #1155616
  Active Insurance current
• Oasis Heating & Air Corp
  HVAC · Redding · #1107515
  Active No insurance on file
• Oasis Heating & Cooling
  HVAC · Santa Rosa · #1063408
  Active Insurance expiring soon
• Oasis Heating and Cooling INC
  HVAC · Kerman · #1039348
  Active Insurance expiring soon
• Oasis HVAC
  HVAC · Fallon · #1068358
  Active Insurance current
• Oasis Plumbing & Heating
  General Contractors, Plumbing · National City · #796018
  Active No insurance on file
• Oasis Plumbing Heating & Air Conditioning
  Plumbing, HVAC · San Marcos · #1093808
  Active Insurance current
• Oasis Pump & Drilling
  Electrical, HVAC · Petaluma · #242168
  Active Insurance current
• Oasis Refrigeration and Appliance
  HVAC · Fresno · #803080
  Active Insurance current
• Ob Air Conditioning and Heating
  HVAC · Woodland Hills · #1037555
  Active Insurance current
• Obe & Sons INC
  HVAC · Running Springs · #516351
  Active Insurance current
• Oc Air Conditioning & Heating
  HVAC · Anaheim · #1050353
  Active Insurance current
• Oc Airtech LLC
  Plumbing, HVAC · Tustin · #1096693
  Active Insurance current
• Oc Cool Pros INC
  HVAC · Santa Ana · #1134520
  Active Insurance current
• Oc Excel
  HVAC · Orange · #1001574
  Active Insurance current
• Oc Land Construction
  General Contractors, Plumbing · Mission Viejo · #1054664
  Active Insurance expiring soon
• Oc Smart Temp Service
  HVAC · Aliso Viejo · #1151021
  Active Insurance current
• Oc Star Construction INC
  General Contractors, HVAC · Garden Grove · #1065898
  Active Insurance current
• Ocean Air & Heating
  HVAC · Aromas · #494856
  Active Insurance current
• Ocean Air Flow INC
  HVAC · Agoura Hills · #1083053
  Active Insurance expired
• Ocean Air H V a C
  HVAC · Ventura · #891072
  Active Insurance current
• Ocean Air Heating
  HVAC · San Francisco · #968927
  Active Insurance current
• Ocean Air Heating & Air Conditioning
  HVAC · Chula Vista · #795740
  Active Insurance current
• Ocean Air HVAC
  HVAC · Woodland Hills · #1138032
  Active Insurance current
• Ocean Air INC
  HVAC · Grover Beach · #872602
  Active Insurance current
• Ocean Breeze Air INC
  HVAC · Surprise · #1053741
  Active Insurance current
• Ocean Breeze HVAC LLC
  HVAC · Canyon Country · #1113832
  Active Insurance current
• Ocean N Sun Heating and Air
  HVAC · Panorama City · #1023724
  Active Insurance current
• Ocean Pacific Mechanical Heating and Air
  HVAC · Vista · #1065367
  Active Insurance current
• Ocean Park Mechanical INC
  Plumbing, HVAC · Seattle · #986064
  Active Insurance expiring soon
• Oceanside Mechanical
  HVAC · Wildomar · #753165
  Active Insurance current
• Oceanside Sheetmetal INC
  General Contractors, Plumbing · San Francisco · #968537
  Active Insurance expiring soon
• Oceanview Mechanical LLC
  HVAC · Long Beach · #1121952
  Active Insurance current
• Ocegueda Mechanical INC
  HVAC · Manteca · #1146224
  Active Insurance current
• Octavio's Heating and Air
  HVAC · Reseda · #823464
  Active Insurance current
• Odi Heating & Cooling Corp
  HVAC · Chatsworth · #1115200
  Active Insurance current
• Ohana Plumbing Plus INC
  Plumbing, HVAC · Lemon Grove · #1129895
  Active Insurance current
• Ohjae Lee
  HVAC · Anaheim · #1109268
  Active Insurance current
• Ohmstede Industrial Services INC DBA Boiler Contracting Services
  HVAC · League City · #1081974
  Active Insurance expired
• Oig HVAC Installation & Repair LLC
  HVAC · Santa Clarita · #1135610
  Active Insurance current
• Ok Heating and Air Conditioning INC
  HVAC · Livermore · #332447
  Active Insurance current
• Ok Marine Cooling System INC
  Electrical, HVAC · Temple City · #685617
  Active Insurance current
• Old Bridge Heating and Cooling
  HVAC · San Jose · #917016
  Active Insurance current
• Old Redwood Heating and Cooling
  HVAC · Windsor · #1147019
  Active Insurance expiring soon
• Old Towne Plumbing
  Plumbing, HVAC · Orange · #1002282
  Active Insurance current
• Oleksii Koziurenko
  General Contractors, HVAC · Concord · #1148535
  Active Insurance current
• Oliver Heating and Air
  HVAC · San Lorenzo · #915348
  Active Insurance current
• Oliver Mechanical INC
  HVAC · Corona · #1136586
  Active Insurance current

Last checked against state records on Oct 10, 2026. How we get this data.