How many companies in the “Heating installation” industry are there in Germany?
The B2B database of dieanalysten GmbH alone lists more than 25,000 companies in the “Heating installation” industry in Germany (October 2026). The total number of companies in the “Heating installation” industry in Germany is therefore at least 25,000. Most are located in North Rhine-Westphalia (4,929), Bavaria (4,329), Baden-Württemberg (2,999).
Key figures
Companies by federal state
| State | Number | Share | per 100,000 inh. |
|---|---|---|---|
| North Rhine-Westphalia | 4,929 | 20% | 27.2 |
| Bavaria | 4,329 | 17% | 32.4 |
| Baden-Württemberg | 2,999 | 12% | 26.6 |
| Lower Saxony | 2,335 | 9% | 28.7 |
| Hesse | 1,869 | 7% | 29.2 |
| Saxony | 1,467 | 6% | 35.9 |
| Rhineland-Palatinate | 1,327 | 5% | 31.9 |
| Thuringia | 1,029 | 4% | 48.3 |
| Schleswig-Holstein | 963 | 4% | 32.5 |
| Brandenburg | 926 | 4% | 36.0 |
| Saxony-Anhalt | 757 | 3% | 34.6 |
| Berlin | 625 | 2% | 16.1 |
| Mecklenburg-Western Pomerania | 527 | 2% | 32.3 |
| Hamburg | 436 | 2% | 22.8 |
| Saarland | 319 | 1% | 32.2 |
| Bremen | 133 | 1% | 19.0 |
| Germany | 25,004 | 100% | 29.6 |
Cities with the most companies in the “Heating installation” industry
Digitalization
53% of companies in the “Heating installation” industry have no website of their own.
Related industries
- Landscaping and gardening28,817
- Building and civil engineering50,067
- Electrical installation39,994
- Metal construction19,096
- Painting and decorating business25,250
- Heating, air conditioning and ventilation – installation23,832
- Building construction51,843
- Plumbing and sheet metal work22,836
- Flooring installation18,776
- Civil engineering57,878
- Interior finishing17,060
- Paint shop10,368
- Plumbing installation27,506
- Timber construction (carpentry)13,310
- Roofing company12,935
- Tiling contractor11,979
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 25,000 companies in the “Heating installation” industry in Germany (October 2026). The total number of companies in the “Heating installation” industry in Germany is therefore at least 25,000. Most are located in North Rhine-Westphalia (4,929), Bavaria (4,329), Baden-Württemberg (2,999).
Which German cities have the most companies in the “Heating installation” industry?
Berlin (618), Hamburg (454), Cologne (223), Munich (220), Düsseldorf (148).
How many companies in the “Heating installation” industry in Germany have a website?
47% have their own website, 43% an email address.
How current is this number?
It is recalculated daily from the current database. Last update: October 17, 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 25,000 companies in the “Heating installation” industry in Germany (source: dieanalysten B2B database, October 2026, https://www.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 17, 2026.