How many companies in the “Heating, air conditioning and ventilation – installation” industry are there in Germany?
The B2B database of dieanalysten GmbH alone lists more than 30,500 companies in the “Heating, air conditioning and ventilation – installation” industry in Germany (October 2026). Most are located in North Rhine-Westphalia (6,310), Bavaria (5,179), Baden-Württemberg (3,679).
Key figures
Companies by federal state
| State | Number | Share | per 100,000 inh. |
|---|---|---|---|
| North Rhine-Westphalia | 6,310 | 21% | 34.8 |
| Bavaria | 5,179 | 17% | 38.7 |
| Baden-Württemberg | 3,679 | 12% | 32.6 |
| Lower Saxony | 2,895 | 9% | 35.6 |
| Hesse | 2,207 | 7% | 34.5 |
| Saxony | 1,760 | 6% | 43.0 |
| Rhineland-Palatinate | 1,615 | 5% | 38.8 |
| Thuringia | 1,215 | 4% | 57.0 |
| Schleswig-Holstein | 1,209 | 4% | 40.8 |
| Brandenburg | 1,126 | 4% | 43.8 |
| Saxony-Anhalt | 919 | 3% | 42.0 |
| Berlin | 776 | 3% | 20.0 |
| Mecklenburg-Western Pomerania | 647 | 2% | 39.7 |
| Hamburg | 561 | 2% | 29.4 |
| Saarland | 361 | 1% | 36.5 |
| Bremen | 174 | 1% | 24.9 |
| Germany | 30,677 | 100% | 36.3 |
Cities with the most companies in the “Heating, air conditioning and ventilation – installation” industry
Digitalization
49% of companies in the “Heating, air conditioning and ventilation – installation” industry have no website of their own.
Related industries
- Landscaping and gardening41,940
- Building and civil engineering69,028
- Electrical installation47,519
- Metal construction22,799
- Plumbing and sheet metal work29,102
- Painting and decorating business28,253
- Building construction69,071
- Civil engineering72,629
- Heating installation30,909
- Flooring installation23,069
- Paint shop12,026
- Interior finishing20,095
- Timber construction (carpentry)16,368
- Plumbing installation32,029
- Steel and metal construction7,246
- Roofing company14,323
Frequently asked questions
How many companies in the “Heating, air conditioning and ventilation – installation” industry are there in Germany?
The B2B database of dieanalysten GmbH alone lists more than 30,500 companies in the “Heating, air conditioning and ventilation – installation” industry in Germany (October 2026). Most are located in North Rhine-Westphalia (6,310), Bavaria (5,179), Baden-Württemberg (3,679).
Which German cities have the most companies in the “Heating, air conditioning and ventilation – installation” industry?
Berlin (775), Hamburg (589), Cologne (286), Munich (272), Düsseldorf (200).
How many companies in the “Heating, air conditioning and ventilation – installation” industry in Germany have a website?
51% have their own website, 32% an email address.
How current is this number?
It is recalculated daily from the current database. Last update: October 10, 2026. Businesses in liquidation or with a recognizable closure are not counted.
Cite this number
The B2B database of dieanalysten GmbH alone lists more than 30,500 companies in the “Heating, air conditioning and ventilation – installation” industry in Germany (source: dieanalysten B2B database, October 2026, https://adressen.dieanalysten.com/en/statistics/heating-air-conditioning-and-ventilation-installation).
The statistics are licensed under CC BY 4.0: free to use, including commercially, with attribution “dieanalysten” and a link.
Method: businesses in the database of dieanalysten GmbH minus a 5% safety margin; businesses in liquidation or with a recognizable closure are excluded. See methodology. As of October 10, 2026.