Founded in 1954 and headquartered in Hamburg, Germany, we specialize in thermal management, liquid cooling solutions, and signaling technologies designed to protect people, machines, and the environment.
With a global presence including North America, Europe, Asia, and South America, we provide reliable and efficient products to diverse industrial sectors.
Our thermal management solutions, like the original Filterfan®, cooling units, and heat exchangers, protect machines, preventing overheating and ensure optimal performance of electrical equipment. Our Liquid cooling systems, including packaged chillers, offer precise temperature control essential in industries such as machine tooling, plastics, and food processing. Additionally, our signaling products—visual and audible alarms—enhance workplace safety by providing critical alerts protecting people in industrial settings.
Committed to innovation, we created groundbreaking products like the Filterfan® (1958), the maintenance-free flashing light (1962) and most recently in 2025 our energy efficient Hybrid Series Cooling Unit. Certified to ISO 9001 and ISO 14001, we emphasize quality, energy efficiency, and environmental sustainability.
Ultimately, our purpose is to safeguard industrial operations, minimize downtime, and enhance process reliability. By prioritizing protection and efficiency, we help customers worldwide maintain safe, productive, and sustainable working environments.
Working Together brings Greater Success – our internal Philosophy of Sharing Competence.
You can trust Pfannenberg to ensure the protection of man, machine and the environment. Our greatest strength comes from reliable industry-leading solutions for technologically demanding applications. Our teams work together cooperatively, in a well-structured and managed manner, continuously developing our work processes to achieve our goals.
ZVEI’s Code of Conduct for Corporate Social Responsibility
Reap the benefits of our know-how and our flexibility, as well as our high-quality and yet economically priced standard range of products. We can also provide you with individual, tailor-made solutions.
At Pfannenberg, you will always find us ready to undertake any requests. We will be glad to advise you on how to combine safety and economic efficiency in reliable partnership.
ZVEI and its member companies affirm their Corporate Social Responsibility as a part of their global business activities (internationally known as “CSR” short for Corporate Social Responsibility). “ZVEI’s Code of Conduct for Corporate Social Responsibility” (hereinafter called “CoC”) acts as a guideline in the industry, especially regarding working conditions, social and environmental compatibility, transparency, collaboration and dialog that is marked by trust.
Developed and agreed to by ZVEI and its member companies, the content of this CoC is an expression of ZVEI’s collective core values as they are defined in ZVEI’s vision and mission statements and especially as they are affirmed in the social market economy.
Pfannenberg Group Holding and its affiliated companies act upon these principles
AS-i union
Pfannenberg is a full member of the international AS-i union, and thereby qualified to develop and manufacture AS-i certified components.
