Ariston Holding N.V.Wolf GmbH, based in Mainburg, is an innovative system provider for heating, ventilation, air conditioning, and solar technology, offering complete solutions for energy conservation. The company is part of the international Ariston Group and serves customers with a focus on energy-efficient building technology. Business operations are divided into three business units: heating systems, air handling units, and services. With approximately 1,789 employees on average in 2024, the company focuses on the development and production of modern technologies such as high-efficiency air-to-water heat pumps.
Herstellung und Vertrieb von lufttechnischen Anlagen, Apparaturen für Heizungs-, Lüftungs-, Klima- und Kältetechnik sowie Wärmetauschern.
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) Regensburg Local Court, HRB 1453 (as of 4 November 2026)
| Name | Type | City |
|---|---|---|
| Christian Amann | Geschäftsführer(in) | Nandlstadt |
| Marion Knipp | Geschäftsführer(in) | Haigerloch |
| Georg Krossa | Geschäftsführer(in) | München |
Source: German Commercial Register (Handelsregister) Regensburg Local Court, HRB 1453 (as of 4 November 2026)
| Date | Event Type | Event |
|---|---|---|
| 04.03.2024 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| 04.11.2009 | Business Address Registered | Industriestraße 1, 84048 Mainburg |
| 10.10.2007 | Registered Seat Change | Energie - Technik Müller |
| Date | Type | Change | Total Capital |
|---|---|---|---|
| 18.12.2003 | Share Capital Set | — | 20.000.000 € |
Source: German Commercial Register (Handelsregister) Regensburg Local Court, HRB 1453 (as of 4 November 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2024 | €421,531,000 | €27,043,000 | €320,706,000 | — |
| 2023 | €636,170,000 | €97,334,000 | €405,952,000 | — |
| 2022 | €520,474,000 | €46,899,000 | €241,970,000 | — |
| 2021 | €443,401,000 | €42,452,000 | €225,408 | — |
| 2020 | €370,831,000 | €25,040,000 | €186,707,000 | — |
| 2019 | €332,990,000 | €8,925,000 | €158,369,000 | — |
| 2018 | €324,338,000 | €7,484,000 | €150,589,000 | — |
| 2017 | €314,688 | €9,831 | €142,920 | — |
| 2016 | €314,540,000 | €15,121,000 | €135,299,000 | — |
| 2015 | €311,218 | €271 | €133,587 | — |
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Source: German Commercial Register (Handelsregister) Regensburg Local Court, HRB 1453 (as of 4 November 2026)
BonTerra Weiland GmbH
Nideggen · Herstellung von kälte- und lufttechnischen Erzeugnissen, nicht für den Haushalt
Airclean GmbH
Erkelenz · Herstellung von kälte- und lufttechnischen Erzeugnissen, nicht für den Haushalt
Taunus-Kühlung Keimling Kälte- und Klimatechnik GmbH
Friedrichsdorf · Herstellung von kälte- und lufttechnischen Erzeugnissen, nicht für den Haushalt
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €141,187,000 | 38.6% |
| Material Costs | €207,967,000 | 56.9% |
| Depreciation | €16,193,000 | 4.4% |
