CNAE 4322-3/02 · Brazil
Instalação e manutenção de sistemas centrais de ar condicionado, de ventilação e refrigeração
109,877 active companies in the Brazilian CNPJ registry have this CNAE as their main activity. Look up companies and explore their distribution by state and city.
Source: Receita Federal, CNPJ Open Data · October 2026 publication
What this list shows
We count each active company in the Brazilian CNPJ registry once, by its head office and this CNAE as its main activity. Branches and secondary activities are excluded from this scope. The total describes the registry, not market revenue or company quality.
- Active companies
- 109,877
- 56th of 1,329 activities
- Opened in 12 months
- 23,356
- +8.6% · 42nd by openings
- Of every 100 companies in the country
- 0.4
- do this activity
- Openings per 100 active
- 21
- in the country: 21
Active companies in this activity
More active establishments and higher registered capital first. This order is not a quality assessment or recommendation.- IN HAUS INDUSTRIAL E SERVICOS DE LOGISTICA S/ASão Paulo (SP)
- IH EFICIENCIA ENERGETICA E MANUTENCAO E FACILITIES LTDABelo Horizonte (MG)
- CETEST MINAS ENGENHARIA E SERVICOS LTDASanta Luzia (MG)
- MPM ENGENHARIA LTDAAparecida de Goiânia (GO)
- L & M TECNOLOGIA DE SISTEMAS LTDACarapicuíba (SP)
- ENCLIMAR ENGENHARIA DE CLIMATIZACAO LTDAMaringá (PR)
- ARCLIMA ENGENHARIA LTDACabo de Santo Agostinho (PE)
- FUTURA CLIMATIZACAO E ENERGIA RENOVAVEL DISTRIBUIDORA COMERCIO E SERVICOS LTDAAracaju (SE)
- NILSONTECH REFRIGERACAO ELETRONICA COMERCIO & SERVICOS LTDAMarabá (PA)
- JOULE ENGENHARIA TERMICA LTDAGoiânia (GO)
- INFRALINK SERVICOS DE INFRA-ESTRUTURA EMPRESARIAL LTDASão Paulo (SP)
- ENGEAR ENGENHARIA DE AQUECIMENTO E REFRIGERACAO LTDAJoão Pessoa (PB)
How to assess a company's data
When you open a company's record, use these guides to check the data and understand what each field can establish.
- How to look up a CNPJ
Check identifiers, dates and registry fields against official sources.
- What an active CNPJ means
Active status does not show that a company is debt-free, licensed or able to operate.
- How to read partner and administrator records
Understand QSA roles and the limits on ownership and representation information.
Where the companies are
Weight in each federative unit: of every 100 active companies, how many have this main activity
- 0.2 – 0.4
- 0.4 – 0.5
- 0.5 – 0.6
- 0.6 – 0.8
- 0.9 – 1.0
Federative units with the most companies
- 1 São Paulo 26,501
- 2 Rio de Janeiro 10,922
- 3 Minas Gerais 6,851
- 4 Rio Grande do Sul 6,796
- 5 Paraná 6,277
- 6 Santa Catarina 6,253
- 7 Bahia 5,099
- 8 Goiás 4,580
- 9 Mato Grosso 4,061
- 10 Pernambuco 3,777
See the 27 federative units
- 11 Pará 3,557
- 12 Ceará 3,327
- 13 Espírito Santo 2,704
- 14 Amazonas 2,355
- 15 Mato Grosso do Sul 2,340
- 16 Maranhão 2,123
- 17 Paraíba 1,670
- 18 Distrito Federal 1,633
- 19 Rondônia 1,621
- 20 Rio Grande do Norte 1,538
- 21 Tocantins 1,343
- 22 Piauí 1,284
- 23 Alagoas 1,122
- 24 Sergipe 789
- 25 Amapá 456
- 26 Roraima 455
- 27 Acre 441
Cities with the most companies
active companies by head office
- 1 São Paulo (SP) 7,841
- 2 Rio de Janeiro (RJ) 4,849
- 3 Salvador (BA) 1,977
- 4 Manaus (AM) 1,954
- 5 Fortaleza (CE) 1,682
- 6 Brasília (DF) 1,633
- 7 Belo Horizonte (MG) 1,282
- 8 Goiânia (GO) 1,214
- 9 Recife (PE) 1,164
- 10 Belém (PA) 961
See the 30 cities
- 11 Cuiabá (MT) 934
- 12 Campo Grande (MS) 924
- 13 Curitiba (PR) 920
- 14 Porto Alegre (RS) 903
- 15 Campinas (SP) 832
- 16 João Pessoa (PB) 786
- 17 Ribeirão Preto (SP) 733
- 18 Duque de Caxias (RJ) 710
- 19 São Luís (MA) 708
- 20 Teresina (PI) 678
- 21 Nova Iguaçu (RJ) 664
- 22 Guarulhos (SP) 660
- 23 Maceió (AL) 657
- 24 São Gonçalo (RJ) 644
- 25 Joinville (SC) 619
- 26 Natal (RN) 575
- 27 São José do Rio Preto (SP) 551
- 28 Porto Velho (RO) 548
- 29 Uberlândia (MG) 541
- 30 Aparecida de Goiânia (GO) 538
What activity 4322-3/02 is
- Section F — Construção
- Division — Serviços especializados para construção
- Group — Instalações elétricas, hidráulicas e outras instalações em construções
- Class — Instalações hidráulicas, de sistemas de ventilação e refrigeração
What it covers
- A instalação, alteração, manutenção e reparo em todos os tipos de construções de:
- Sistemas de refrigeração central, quando não realizados pela unidade fabricante
- Sistemas de ventilação mecânica controlada, inclusive exaustores
- A instalação de sistemas de aquecimento (coletor solar, gás e óleo), exceto elétricos
What it does not cover
- A instalação e manutenção de sistemas de refrigeração central, exceto industrial, quando executada pelo pela unidade fabricante (2824-1/02)Classified under: 2824-1/02 Fabricação de aparelhos e equipamentos de ar condicionado para uso não industrial
Typical activities
- Instalação de dutos para sistemas de ar condicionado
- Instalação de sistemas centrais de aquecimento central em edifícios residenciais e comerciais
- Instalação de sistemas centrais para calefação
- Instalação de sistemas de ar condicionado, de ventilação e refrigeração
- Instalação de sistemas de ventilação mecânica controlada, inclusive exaustores
- Manutenção de ar condicionado central
- Sistema de refrigeração central em imóveis residenciais e comerciais, reparação ou manutenção de
- Sistema de ventilação mecânica controlada, reparação ou manutenção de
- Sistemas de refrigeração central em imóveis residenciais e comerciais, montagem de
The activities of class 4322-3
instalações hidráulicas, de sistemas de ventilação e refrigeração, by subclass| Subclass | Active | Openings | Change |
|---|---|---|---|
| 4322-3/01 Instalações hidráulicas, sanitárias e de gás | 38,838 | 8,968 | +18.7% |
| 4322-3/02 Instalação e manutenção de sistemas centrais de ar condicionado, de ventilação e refrigeração · this one | 109,877 | 23,356 | +8.6% |
| 4322-3/03 Instalações de sistema de prevenção contra incêndio | 8,539 | 1,648 | +8.4% |
Frequently asked questions about CNAE 4322-3/02
How many CNAE 4322-3/02 companies are there in Brazil?
109,877 active companies have CNAE 4322-3/02 as their main activity, according to the Receita Federal's October 2026 publication. It is 56th among the country's activities by companies.
Which activities make up class 4322-3?
Class 4322-3 has 3 subclasses: 4322-3/01; 4322-3/02; 4322-3/03. The official names are in the subclass table. A company declares one main activity and may declare others as secondary activities.
Which federative unit has the most companies in this activity?
São Paulo, with 26,501. There, 0.3 of every 100 active companies have this main activity, against 0.4 in the national registry.
Does this total include branches and secondary activities?
No. Each active company is counted once, by its head office and registered main activity. A company may carry out this activity as a secondary activity and be excluded from the count. Geographic distribution uses the registered location; records without a recognized federative unit may be counted nationally without appearing in local groups.
Does active status mean a company is qualified for a contract?
No. Active status describes the Receita Federal registration. It does not establish tax compliance, creditworthiness, licences, ability to fulfil a contract or quality. Check the relevant official documents and the contract's requirements.
How we count
Active companies in the Brazilian CNPJ registry with this as their main activity, counted once by head office. Location is taken from the registry. Where available, openings are for the last 12 months, compared with the previous 12 months.