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

Heating and air conditioning in Ontario, CA

59 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
09

Beal H V a C

Chino, CA · (909) 631-9296

CA-CSLB 931996 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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10

Best Coast HVAC

Upland, CA · (626) 421-2381

CA-CSLB 1140079 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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11

Best Electric and Air

Montclair, CA · (909) 510-1370

CA-CSLB 872298 · C10 C20ElectricianHeating and air conditioning
License activechecked Oct 24, 2026
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14

Blake Roofing Inc

Norco, CA · (951) 340-2600

CA-CSLB 972683 · C39 C43 +1RooferHeating and air conditioningSolar installer
License activechecked Oct 24, 2026
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15

Blue Grip Squad Inc

Pomona, CA · (909) 242-5235

CA-CSLB 978154 · C20 C36Heating and air conditioningPlumber
License activechecked Oct 24, 2026
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17

Bom Construction Inc

Riverside, CA · (949) 735-2113

CA-CSLB 1009309 · B C20 +1General contractorHeating and air conditioningPlumber
License activechecked Oct 24, 2026
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18

Boming Air Inc

Norco, CA · (657) 275-5855

CA-CSLB 1088287 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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19

Boming Li

Norco, CA · (657) 275-5855

CA-CSLB 1084064 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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