Overview

Rosenberg Ventilatoren GmbH makes adjustable external rotor motors, fans, and air handling units for ventilation and climate technology. The company is headquartered in Künzelsau, Baden-Württemberg, Germany, and was founded in 1981. It employs between 1,000 and 5,000 people and is privately held. Its products serve the automotive, electronics, medical, and industrial equipment sectors. In April 2026 it introduced a new axial fan series, the AKV.

At a glance

What Rosenberg Ventilatoren GmbH makes

The company holds ISO 9001 certification and offers radial and axial fans, air handling units, and EC-drive fans, along with custom engineering and system integration services.

Products and capabilities described on the company's own site include Plastic, Electronics (source: rosenberg-gmbh.com).

Certifications

Rosenberg Ventilatoren GmbH is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:

• ISO 9001 — rosenberg-gmbh.com

Latest developments

• 2026-07-07 — Frank Sohr wird neuer COO bei Rosenberg Ventilatoren | Kälte Luft Klima (kaelte-luft-klima.de)

• 2026-06-30 — Neuer Geschäftsführer Operations und Technik bei Rosenberg - cci Dialog GmbH (cci-dialog.de)

• 2026-06-08 — Für ein Krankenhaus in Deutschland konnte Rosenberg mehrere RLT-Lüftungsgeräte der Baureihen Airbox T60 und Airbox F40 für höchste hygienische Anforderungen nach DIN1946/T4 (Krankenhaushygiene) liefern. Diese klimatisieren nun zuverlässig die Operations- und Vorbereitungsräume, … | Rosenberg Ventilatoren GmbH (linkedin.com)

• 2026-05-18 — Rosenberg worked closely with Ulrich Müller GmbH to retrofit a large ventilation system (123,500 m³/h at 570 Pa) for an industrial company in southern Germany. The existing HVAC system is from the … | Rosenberg Ventilatoren GmbH (linkedin.com)

• 2026-04-13 — New Axial Fan Series AKV - Rosenberg Ventilatoren GmbH (rosenberg-gmbh.com)

• 2026-01-07 — Für ein Stadtquartier in Süddeutschland konnte Rosenberg eine effiziente Lüftungslösung realisieren. Geliefert wurden mehrere Zu- und Abluftgeräte mit Wärmerückgewinnung vom Typ Airbox und SupraBox COMFORT. | Rosenberg Ventilatoren GmbH (linkedin.com)

Company details

Rosenberg is privately owned, reports an estimated annual revenue band of $50-100 million, and its record names no specific reported customers. Rosenberg Ventilatoren GmbH was founded in 1981, has an estimated 1,000-5,000 employees, and is headquartered in Kuenzelsau, Baden-Wuerttemberg. On the LightSource stability read it is rated "Established & active": 45 years in operation (founded 1981). Holds ISO 9001 certification(s) per public sources.

Frequently asked questions

What does Rosenberg Ventilatoren GmbH make?

Rosenberg Ventilatoren GmbH makes adjustable external rotor motors, fans, and air handling units for ventilation and climate technology. The company is headquartered in Künzelsau, Baden-Württemberg, Germany, and was founded in 1981. It employs between 1,000 and 5,000 people and is privately held. Its products serve the automotive, electronics, medical, and industrial equipment sectors. In April 2026 it introduced a new axial fan series, the AKV.

Where is Rosenberg Ventilatoren GmbH headquartered?

Rosenberg Ventilatoren GmbH is headquartered in Kuenzelsau, Baden-Wuerttemberg (1 Maybachstrasse, Kuenzelsau, Baden-Wuerttemberg, 74653).

When was Rosenberg Ventilatoren GmbH founded?

Rosenberg Ventilatoren GmbH was founded in 1981.

How big is Rosenberg Ventilatoren GmbH?

Rosenberg Ventilatoren GmbH has an estimated 1,000-5,000 employees, with revenue in the $50-100M range (estimated).

What certifications does Rosenberg Ventilatoren GmbH hold?

Rosenberg Ventilatoren GmbH lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.

Related suppliers

Explore other suppliers in the LightSource directory:

• 10xEngineers

• 1X

• 365 Retail Markets

• 3Com

• 3PAR

Last verified Nov 2026. Is this your company? Request a correction.