NAICS 238220 · Plumbing, Heating, and Air-Conditioning Contractors

Heating and air conditioning in California

12,994 listed in California

Cities

San Jose 296Los Angeles 292Sacramento 265San Diego 256Riverside 225Fresno 181Bakersfield 179Anaheim 158Glendale 128Corona 117El Cajon 117San Francisco 116Escondido 100Modesto 96Stockton 96Santa Rosa 92Simi Valley 91Orange 89Rancho Cucamonga 84Concord 79Long Beach 79Murrieta 79Huntington Beach 77Burbank 76
12,994 listingsHow results are ordered
01

4 G Heating & Air

Manteca, CA · (209) 594-5392

CA-CSLB 1044384 · C20Heating and air conditioning
License activechecked Oct 24, 2026
CallDetails
02

4 M Mechanical Inc

San Diego, CA · (619) 944-4822

CA-CSLB 1159043 · C20Heating and air conditioning
License activechecked Oct 24, 2026
CallDetails
04

4 S Air Inc

Rancho Cucamonga, CA · (909) 576-6586

CA-CSLB 931194 · C20Heating and air conditioning
License activechecked Oct 24, 2026
CallDetails
05

4 Season Air

Sylmar, CA · (818) 482-3277

CA-CSLB 1142517 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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07

4 Seasons HVAC

Monrovia, CA · (626) 205-0911

CA-CSLB 1033914 · C20Heating and air conditioning
License activechecked Oct 24, 2026
CallDetails
10

405 HVAC

Irvine, CA · (703) 899-0047

CA-CSLB 1080202 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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12

4Th of July Testing

King City, CA · (831) 585-9922

CA-CSLB 1045486 · C36 D62PlumberHeating and air conditioning
License activechecked Oct 24, 2026
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13

5 Star Best Plumbing

Newhall, CA · (855) 999-4417

CA-CSLB 1041772 · C20 C36Heating and air conditioningPlumber
License activechecked Oct 24, 2026
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20

7 Star Tech

Lomita, CA · (310) 528-8191

CA-CSLB 753309 · B C43General contractorHeating and air conditioning
License activechecked Oct 24, 2026
CallDetails