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

Heating and air conditioning in Diamond Bar, CA

33 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
Listings 1–20How results are ordered
03

Cinda Construction Inc

Walnut, CA · (626) 848-2736

CA-CSLB 890143 · A B +1General engineering contractorGeneral contractorHeating and air conditioning
License activechecked Oct 24, 2026
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06

D C Integrate Inc

City of Industry, CA · (909) 598-5921

CA-CSLB 945486 · B C10 +1General contractorElectricianHeating and air conditioning
License activechecked Oct 24, 2026
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07

D L HVAC

Walnut, CA · (626) 236-6677

CA-CSLB 1120809 · C20Heating and air conditioning
License activechecked Oct 24, 2026
CallDetails
10

Expert HVAC Service Inc

Walnut, CA · (626) 537-5916

CA-CSLB 1115612 · B C20 +2General contractorHeating and air conditioningPlumber+1
License activechecked Oct 24, 2026
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11

Garrys HVAC

Pomona, CA · (951) 203-3433

CA-CSLB 649328 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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14

Han Gary

Walnut, CA · (626) 712-6167

CA-CSLB 828492 · C38Heating and air conditioning
License activechecked Oct 24, 2026
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15

Hy HVAC Service

Walnut, CA · (909) 551-6251

CA-CSLB 1145147 · C10 C20ElectricianHeating and air conditioning
License activechecked Oct 24, 2026
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20

Jay's Services

Walnut, CA · (626) 824-2146

CA-CSLB 732053 · C20Heating and air conditioning
License activechecked Oct 24, 2026
CallDetails