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 241–260How results are ordered
241

Dynamo Multi Services

Chino, CA · (951) 333-6942

CA-CSLB 835878 · B C20General contractorHeating and air conditioning
License activechecked Oct 24, 2026
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243

Eagle Air Co

Chino, CA · (714) 882-9580

CA-CSLB 1099959 · C4 C20PlumberHeating and air conditioning
License activechecked Oct 24, 2026
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246

Econo Air

Placentia, CA · (800) 503-2666

CA-CSLB 445220 · C2 C10 +3Drywall, plaster and insulationElectricianHeating and air conditioning+2
License activechecked Oct 24, 2026
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247

Ecotemp LLC

LA Habra, CA · (844) 826-4646

CA-CSLB 1148188 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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250

Elite Mechanical

West Covina, CA · (888) 835-4838

CA-CSLB 970567 · C20 C38Heating and air conditioning
License activechecked Oct 24, 2026
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252

Energy Control

Hacienda Heights, CA · (562) 833-9458

CA-CSLB 536125 · C10 C20 +1ElectricianHeating and air conditioning
License activechecked Oct 24, 2026
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253

Enetech Incorporated

Brea, CA · (714) 255-2939

CA-CSLB 967408 · B C20 +3General contractorHeating and air conditioningPlumber+1
License activechecked Oct 24, 2026
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256

Equal Air Balance

San Dimas, CA · (714) 637-3500

CA-CSLB 1006492 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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257

Espinosa Martin

Covina, CA · (626) 974-9141

CA-CSLB 660206 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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