Klingenburg GmbH is a medium-sized family-owned company headquartered in Gladbeck, manufacturing in Germany and Poland and employing an average of 152 staff in fiscal year 2021. The company develops and sells heat exchangers, humidifiers and related services and states that its products can recover up to 93% of the heat or cold energy contained in air. Klingenburg supplies a wide range of spaces from small apartments to factory halls and serves specific markets such as cruise ships, automotive paint shops and data centers; its products are sold worldwide. The company operates its own research and development department and has intensified cooperation with universities and institutes since 2019. Klingenburg GmbH is a family business.
Vertrieb von Energie-Rückgewinnungsanlagen und Ventilatoren, Beratung für Anlagen dieser Art sowie Bau und Vertrieb von Booten.
Converted using the official Destatis and Eurostat correspondence tables; ISIC Rev. 4 is the United Nations' international industry classification.
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Source: German Commercial Register (Handelsregister) Gelsenkirchen Local Court, HRB 4214 (as of 30 October 2026)
| Name | Type | City |
|---|---|---|
| Nicola Biondo | Geschäftsführer(in) | Treviso |
| Frank Lauer | Geschäftsführer(in) | Gründau-Lieblos |
| Michele Martello | Geschäftsführer(in) | Brugine |
| Rolf-Ferdinand Oberhaus | Geschäftsführer(in) | Bochum |
Source: German Commercial Register (Handelsregister) Gelsenkirchen Local Court, HRB 4214 (as of 30 October 2026)
| Date | Event Type | Event |
|---|---|---|
| 22.07.2020 | Business Address Change | Brüsseler Straße 77, 45968 Gladbeck |
| 04.04.2019 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| 28.02.2019 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| Date | Type | Change | Total Capital |
|---|---|---|---|
| 04.04.2019 | Capital Increase | +6.400 € | 38.400 € |
| 28.02.2019 | Capital Increase | +6.400 € | 32.000 € |
| 14.08.2002 | Share Capital Set | — | 25.600 € |
Source: German Commercial Register (Handelsregister) Gelsenkirchen Local Court, HRB 4214 (as of 30 October 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2021 | Rohergebnis€11.2M2 | -€2,061,365 | €9,723,541 | — |
| 2020 | Rohergebnis€02 | €0 | €0 | — |
| 2019 | Rohergebnis€1.6M2 | -€282,337 | €11,408,481 | — |
| 2018 | Rohergebnis€21.4M2 | -€10,408,106 | €12,846,941 | — |
| 2017 | €36,934,907 | -€4,541,089 | €19,707,392 | — |
| 2016 | €38,599,063 | -€2,025,440 | €19,877,052 | — |
| 2015 | €37,781,357 | €760,757 | €20,922,883 | — |
| 2014 | €40,867,454 | €1,690,864 | €21,091,401 | — |
| 2013 | €42,747,020 | €1,892,090 | €20,568,417 | — |
| 2012 | €44,643,459 | €3,563,555 | €18,881,323 | — |
2 Rohergebnis nach § 276 HGB: Umsatzerlöse abzüglich Materialaufwand bzw. Herstellungskosten. Kleine und mittelgroße Kapitalgesellschaften dürfen diese Posten zusammenfassen; die Umsatzerlöse selbst sind dann nicht veröffentlicht und liegen über dem Rohergebnis.
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Source: German Commercial Register (Handelsregister) Gelsenkirchen Local Court, HRB 4214 (as of 30 October 2026)
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €8,866,920 | 96.7% |
| Depreciation | €284,377 | 3.1% |
| Interest & Similar | €18,144 | 0.2% |
