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

Heating and air conditioning in Napa, CA

22 licensed heating and air conditioning · every license checked against the issuer's file

More cities in California

San Jose 296Los Angeles 292Sacramento 265San Diego 256Riverside 225Fresno 181Bakersfield 179Anaheim 158Glendale 128Corona 117El Cajon 117San Francisco 116Escondido 100Modesto 96Stockton 96Santa Rosa 92
571 listingsHow results are ordered
03

Guido's Service

Vallejo, CA · (707) 647-2840

CA-CSLB 892930 · C20 C38Heating and air conditioning
License activechecked Oct 24, 2026
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05

Jbc Services Inc

Vallejo, CA · (707) 334-5650

CA-CSLB 1110420 · B C20General contractorHeating and air conditioning
License activechecked Oct 24, 2026
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06

Khoury Mechanical LLC

Fairfield, CA · (707) 334-6765

CA-CSLB 1039996 · C36 C38PlumberHeating and air conditioning
License activechecked Oct 24, 2026
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10

Leon Air Systems

Fairfield, CA · (707) 580-3737

CA-CSLB 875230 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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12

M T B

Petaluma, CA · (707) 766-9790

CA-CSLB 762453 · C20 C43 +2Heating and air conditioningSpecialty contractor
License activechecked Oct 24, 2026
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14

Mcisaac Heating

Petaluma, CA · (415) 717-4728

CA-CSLB 1071345 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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16

Milano Mechanical Inc

Petaluma, CA · (707) 778-9339

CA-CSLB 797754 · C20 C36 +1Heating and air conditioningPlumber
License activechecked Oct 24, 2026
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18

Nutt Refrigeration

Fairfield, CA · (707) 365-1416

CA-CSLB 849495 · C38Heating and air conditioning
License activechecked Oct 24, 2026
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20

Ongaro & Sons

Petaluma, CA · (707) 579-3511

CA-CSLB 215233 · C4 C10 +9PlumberElectricianFire sprinkler contractor+2
License activechecked Oct 24, 2026
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