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

All Temperatures Inc

City of Industry, CA · (626) 547-9008

CA-CSLB 1085863 · C20 C38Heating and air conditioning
License activechecked Oct 24, 2026
CallDetails
06

Allyn Bruce Plumbing Inc

Pomona, CA · (909) 392-8403

CA-CSLB 245042 · C16 C20 +1Fire sprinkler contractorHeating and air conditioningPlumber
License activechecked Oct 24, 2026
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07

Am Best Construction

Brea, CA · (714) 323-3001

CA-CSLB 1027623 · B C10 +2General contractorElectricianHeating and air conditioning+1
License activechecked Oct 24, 2026
CallDetails
12

Americool Heating and Air

Placentia, CA · (714) 356-8826

CA-CSLB 971329 · B C2 +1General contractorDrywall, plaster and insulationHeating and air conditioning
License activechecked Oct 24, 2026
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13

Ameripro Air

Rowland Heights, CA · (626) 833-8376

CA-CSLB 1135483 · C10 C20ElectricianHeating and air conditioning
License activechecked Oct 24, 2026
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14

Amfab Inc

Chino Hills, CA · (951) 201-1782

CA-CSLB 280314 · C43Heating and air conditioning
License activechecked Oct 24, 2026
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15

Amogen

Yorba Linda, CA · (714) 745-7375

CA-CSLB 710779 · C20 C38Heating and air conditioning
License activechecked Oct 24, 2026
CallDetails
16

Anaheim Air LLC

Placentia, CA · (909) 287-6846

CA-CSLB 1109245 · C20Heating and air conditioning
License activechecked Oct 24, 2026
CallDetails
18

Angel HVAC

Fullerton, CA · (714) 321-9145

CA-CSLB 1094626 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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20

Applied Mechanical

West Covina, CA · (626) 945-7712

CA-CSLB 777230 · C20Heating and air conditioning
License activechecked Oct 24, 2026
CallDetails