AERECO GmbH develops, manufactures, sells, installs, maintains and rents products for the implementation and verification of ventilation and climate systems in Germany. Its main application areas are new construction and renovation of residential buildings, with a focus on multi‑storey residential buildings. The product range is divided into five areas: demand‑controlled exhaust systems, demand‑controlled exhaust systems with exhaust heat recovery, demand‑controlled central supply and exhaust systems with heat recovery, demand‑controlled decentralized supply and exhaust units with heat recovery, and heating heat pumps. Key customer groups are housing companies and developers as well as architects, engineering offices and installers, and the company positions itself as a system provider offering complementary services.
Die Herstellung, der Kauf, der Verkauf, der Einbau, die Wartung und die Vermietung aller Produkte, die zur Realisierung und Überprüfung von Belüftungs- und Klimaanlagen bestimmt sind
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) Frankfurt am Main Local Court, HRB 30482 (as of 30 October 2026)
| Name | Type | City |
|---|---|---|
| Jean-Luc Alzonne | Geschäftsführer(in) | Jonage |
| Stanislas Lacroix | Geschäftsführer(in) | Lyon |
Source: German Commercial Register (Handelsregister) Frankfurt am Main Local Court, HRB 30482 (as of 30 October 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2024 | €28,668,177 | €2,191,049 | €9,956,257 | — |
| 2023 | €30,142,651 | €2,545,766 | €10,220,142 | — |
| 2022 | €32,038,612 | €3,245,357 | €10,868,103 | — |
| 2021 | €30,234,306 | €4,163,104 | €9,746,754 | — |
| 2020 | €26,971,203 | €3,514,130 | €9,868,446 | — |
| 2019 | €24,779,658 | €2,924,097 | €7,946,041 | — |
| 2018 | €25,095,157 | €3,587,829 | €7,397,581 | — |
| 2017 | €20,165,706 | €3,023,135 | €5,859,694 | — |
| 2016 | €18,487,100 | €2,525,332 | €4,577,209 | — |
| 2015 | — | €2,948,024 | €4,274,598 | — |
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Source: German Commercial Register (Handelsregister) Frankfurt am Main Local Court, HRB 30482 (as of 30 October 2026)
Franz Ziel GmbH
Billerbeck · Herstellung von allen anderen Maschinen für sonstige bestimmte Wirtschaftszweige a. n. g.
VENTA-Luftwäscher GmbH
Weingarten · Herstellung von kälte- und lufttechnischen Erzeugnissen, nicht für den Haushalt
Kalthoff Luftfilter und Filtermedien GmbH
Selm · Herstellung von kälte- und lufttechnischen Erzeugnissen, nicht für den Haushalt
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €6,935,574 | 30.5% |
| Material Costs | €15,447,869 | 67.8% |
| Depreciation | €379,185 | 1.7% |
| Interest & Similar | €6,008 | 0.0% |
