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
01

Jgl Mechanical Inc

Rancho Cucamonga, CA · (909) 578-2582

CA-CSLB 1090635 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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02

Kd Home & HVAC

Rancho Cucamonga, CA · (626) 617-6668

CA-CSLB 1083340 · B C20General contractorHeating and air conditioning
License activechecked Oct 24, 2026
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03

L & M HVAC

Rancho Cucamonga, CA · (909) 219-2201

CA-CSLB 1095071 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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04

Maxair HVAC

Rancho Cucamonga, CA · (626) 698-1274

CA-CSLB 953623 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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11

Rdm Air Inc

Rancho Cucamonga, CA · (909) 275-6521

CA-CSLB 1078895 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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13

Retrofit Service Co Inc

Rancho Cucamonga, CA · (909) 941-3494

CA-CSLB 760432 · B C7 +3General contractorElectricianHeating and air conditioning
License activechecked Oct 24, 2026
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14

Shenouda Henes

Rancho Cucamonga, CA · (714) 369-7002

CA-CSLB 1156738 · C20Heating and air conditioning
License activechecked Oct 24, 2026
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19

Stone Camarin

Rancho Cucamonga, CA · (909) 357-9400

CA-CSLB 1101818 · C20 C36Heating and air conditioningPlumber
License activechecked Oct 24, 2026
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