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
01

Jd Air

Walnut, CA · (909) 525-2852

CA-CSLB 1091749 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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03

Lee Tae Young

Pomona, CA · (714) 605-5041

CA-CSLB 965170 · C10 C20ElectricianHeating and air conditioning
License activechecked Oct 24, 2026
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04

Lz Comfort Home

Walnut, CA · (626) 508-1565

CA-CSLB 1081673 · C10 C20ElectricianHeating and air conditioning
License activechecked Oct 24, 2026
CallDetails
13

Redi Services Inc

Pomona, CA · (909) 622-1615

CA-CSLB 648775 · B C43General contractorHeating and air conditioning
License activechecked Oct 24, 2026
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16

S T W HVAC

Walnut, CA · (909) 915-9135

CA-CSLB 968650 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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19

Super Air Inc

Pomona, CA · (626) 350-0238

CA-CSLB 661847 · C20Heating and air conditioning
License activechecked Oct 24, 2026
CallDetails