How many companies in the “Heating installation” industry are there in Germany?
The B2B database of dieanalysten GmbH alone lists more than 30,500 companies in the “Heating installation” industry in Germany (October 2026). Most are located in North Rhine-Westphalia (6,364), Bavaria (5,206), Baden-Württemberg (3,714).
Key figures
Companies by federal state
| State | Number | Share | per 100,000 inh. |
|---|---|---|---|
| North Rhine-Westphalia | 6,364 | 21% | 35.1 |
| Bavaria | 5,206 | 17% | 38.9 |
| Baden-Württemberg | 3,714 | 12% | 32.9 |
| Lower Saxony | 2,915 | 9% | 35.8 |
| Hesse | 2,223 | 7% | 34.8 |
| Saxony | 1,777 | 6% | 43.4 |
| Rhineland-Palatinate | 1,628 | 5% | 39.1 |
| Schleswig-Holstein | 1,222 | 4% | 41.3 |
| Thuringia | 1,219 | 4% | 57.2 |
| Brandenburg | 1,131 | 4% | 44.0 |
| Saxony-Anhalt | 924 | 3% | 42.2 |
| Berlin | 786 | 3% | 20.3 |
| Mecklenburg-Western Pomerania | 652 | 2% | 40.0 |
| Hamburg | 566 | 2% | 29.6 |
| Saarland | 362 | 1% | 36.6 |
| Bremen | 175 | 1% | 25.0 |
| Germany | 30,909 | 100% | 36.6 |
Cities with the most companies in the “Heating installation” industry
Digitalization
49% of companies in the “Heating 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
- Heating, air conditioning and ventilation – installation30,677
- Plumbing and sheet metal work29,102
- Painting and decorating business28,253
- Building construction69,071
- Civil engineering72,629
- 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 installation” industry are there in Germany?
The B2B database of dieanalysten GmbH alone lists more than 30,500 companies in the “Heating installation” industry in Germany (October 2026). Most are located in North Rhine-Westphalia (6,364), Bavaria (5,206), Baden-Württemberg (3,714).
Which German cities have the most companies in the “Heating installation” industry?
Berlin (785), Hamburg (594), Cologne (289), Munich (276), Düsseldorf (201).
How many companies in the “Heating 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 installation” industry in Germany (source: dieanalysten B2B database, October 2026, https://adressen.dieanalysten.com/en/statistics/heating-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.