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

Heating and air conditioning in San Marcos, CA

27 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
921 listingsHow results are ordered
01

Ace Contractors

San Marcos, CA · (760) 801-9070

CA-CSLB 175404 · B C20 +1General contractorHeating and air conditioningPlumber
License activechecked Oct 24, 2026
CallDetails
03

Acuna's Polar Aire

San Marcos, CA · (858) 486-2590

CA-CSLB 352974 · C20Heating and air conditioning
License activechecked Oct 24, 2026
CallDetails
05

Altered Air

San Marcos, CA · (760) 594-1125

CA-CSLB 531080 · C20 C38Heating and air conditioning
License activechecked Oct 24, 2026
CallDetails
06

Alve Mechanical

San Marcos, CA · (619) 200-8802

CA-CSLB 935043 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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11

Better Air Systems

San Marcos, CA · (760) 410-8373

CA-CSLB 977738 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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14

Crown Steel Mfg

San Marcos, CA · (760) 471-1188

CA-CSLB 738245 · C43 D34Heating and air conditioningSpecialty contractor
License activechecked Oct 24, 2026
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15

Dr HVAC LLC

San Marcos, CA · (760) 712-1837

CA-CSLB 1157724 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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17

Excel Air Co

San Marcos, CA · (760) 415-7935

CA-CSLB 781259 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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20

Mobileweld Inc

San Marcos, CA · (760) 717-7374

CA-CSLB 1018601 · C43 C51 +1Heating and air conditioningSteel and welding contractor
License activechecked Oct 24, 2026
CallDetails