How many heating and air conditioning companies are there in California?

16,078, by CityPreferred's count as of October 2026.

Which California city has the most?

Los Angeles, with 820, followed by Van Nuys with 636.

Data

Heating and air conditioning companies in California

Name: Heating and air conditioning companies in California
Creator: CityPreferred

There are 16,078 heating and air conditioning companies in California (CityPreferred count, October 2026). Los Angeles has the most (820), then Van Nuys (636).

Reviewed October 1, 2026

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California cities

Heating and air conditioning companies in California by city, October 2026
City	Companies
Los Angeles	820
Van Nuys	636
San Diego	441
Sacramento	383
San Jose	366
Riverside	225
Anaheim	215
San Francisco	205
Bakersfield	203
Fresno	194
Glendale	139
Corona	119
Irvine	114
Rancho Cucamonga	107
Stockton	107
Modesto	106
Simi Valley	106
El Cajon	104
Long Beach	103
Escondido	102
Santa Rosa	100
Murrieta	99
Concord	98
Orange	95
Roseville	95
San Bernardino	95
Santa Clarita	94
Huntington Beach	90
Buena Park	90
Pasadena	85
Moreno Valley	85
Temecula	81
Palm Desert	80
Santa Barbara	79
Burbank	79
Thousand Oaks	78
Oakland	77
Lancaster	71
Chino Hills	70
Redding	70
Garden Grove	70
Torrance	68
Ventura	68
Visalia	68
Santa Ana	67
Livermore	67
Costa Mesa	67
Woodland	63
Elk Grove	62
Hayward	61
Fremont	60
Whittier	58
Fullerton	58
Vacaville	57
Fontana	57
Palmdale	57
Clovis	57
Santa Clara	56
Antioch	55
Rancho Cordova	55
Oceanside	55
Chula Vista	54
Citrus Heights	54
Berkeley	54
Ontario	52
Indio	52
Napa	51
Palm Springs	50
Chico	50
Oxnard	50
Santa Monica	47
San Mateo	47
Lakeside	47
Turlock	47
Hesperia	47
Carlsbad	47
Upland	47
North Hollywood	46
Vista	46
Redwood City	45
Reseda	45
Santa Fe Springs	44
San Marcos	44
Lake Elsinore	43
Santee	43
Lake Forest	43
Menifee	43
Pomona	42
Rocklin	42
Northridge	42
Chatsworth	42
Beverly Hills	41
San Leandro	41
West Sacramento	41
Pleasanton	40
Hemet	39
Valencia	39
Auburn	38
Tracy	38
Brentwood	37
Brea	37
El Monte	37
Santa Maria	37
Covina	36
Campbell	36
Fairfield	36
Yucaipa	36
Redlands	35
Downey	35
Walnut Creek	35
Mountain View	35
Chino	35
Agoura Hills	34
Calabasas	34
Poway	34
Culver City	34
Camarillo	34
Paso Robles	34
Encino	33
Arcadia	33
Grass Valley	33
Victorville	33
Apple Valley	33
La Mesa	33
Tustin	33
Placentia	32
Glendora	32
La Habra	32
Perris	31
West Hollywood	31
Palo Alto	30
Baldwin Park	30
Lodi	30
Milpitas	29
San Ramon	29
Sylmar	29
Redondo Beach	29
Cathedral City	29
San Dimas	29
Yorba Linda	29
Rialto	29
Oroville	29
Sunnyvale	29
Monrovia	28
Fair Oaks	28
North Highlands	28
Walnut	28
Orangevale	28
Madera	27
Salinas	27
El Centro	27
Benicia	27
Tulare	27
Bellflower	27
Placerville	27
Jurupa Valley	27
Mission Viejo	27
Laguna Hills	27
Alhambra	27
Manteca	27
Gilroy	26
Westminster	26
Petaluma	26
San Carlos	26
Moorpark	26
West Covina	26
Tarzana	26
Newport Beach	26
Gardena	25
Canoga Park	25
San Rafael	25
Pittsburg	25
Carmichael	25
Paramount	25
Novato	25
Norwalk	25
Sonora	25
Morgan Hill	24
Malibu	24
Merced	24
Cypress	24
Beaumont	24
Yuba City	24
El Dorado Hills	24
Rancho Santa Margarita	23
La Verne	23
Santa Cruz	23
San Luis Obispo	23
Castro Valley	23
Sonoma	23
Oakdale	22
Pacific Grove	22
Woodland Hills	22
Atascadero	22
Ramona	22
Cerritos	21
Norco	21
La Quinta	21
Inglewood	21
Hollister	21
Vallejo	21
Truckee	21
Antelope	21
San Clemente	21
Fountain Valley	21
Pico Rivera	20
Thousand Palms	20
Folsom	20
Montebello	20
Highland	20
Porterville	20
Rohnert Park	20
Panorama City	20
Coachella	20
South San Francisco	20

California and the rest of the country

California has 16,078 of the 169,801 heating and air conditioning companies in the country (9%). All states.

What is counted

Independent businesses that do this work, for homes or for businesses. Suppliers, stores and national chains are left out. Being counted does not mean a company is licensed, insured or recommended. A city is listed when it has 20 or more. How we count.

Questions and answers

How many heating and air conditioning companies are there in California?: 16,078, by CityPreferred's count as of October 2026.
Which California city has the most?: Los Angeles, with 820, followed by Van Nuys with 636.