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

3,042, by CityPreferred's count as of October 2026.

Which Louisiana city has the most?

Baton Rouge, with 253, followed by New Orleans with 201.

Data

Heating and air conditioning companies in Louisiana

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

There are 3,042 heating and air conditioning companies in Louisiana (CityPreferred count, October 2026). Baton Rouge has the most (253), then New Orleans (201).

Reviewed October 1, 2026

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Louisiana cities

Heating and air conditioning companies in Louisiana by city, October 2026
City	Companies
Baton Rouge	253
New Orleans	201
Shreveport	130
Metairie	126
Lafayette	95
Slidell	89
Kenner	82
Denham Springs	62
West Monroe	60
Houma	54
Bossier City	50
Lake Charles	50
Mandeville	49
Marrero	48
Covington	43
Hammond	41
Monroe	41
New Iberia	40
Gonzales	38
Sulphur	35
Alexandria	33
Gretna	33
Harvey	33
Chalmette	32
Pineville	27
Broussard	26
Ponchatoula	24
Opelousas	23
Walker	21

Louisiana and the rest of the country

Louisiana has 3,042 of the 169,801 heating and air conditioning companies in the country (2%). 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 Louisiana?: 3,042, by CityPreferred's count as of October 2026.
Which Louisiana city has the most?: Baton Rouge, with 253, followed by New Orleans with 201.