CORE Story

Improving life at its CORE

At CORE, we believe in providing our customers with the highest standard of Energy Recovery Ventilation products for the residential and commercial application. We manufacture our Exchangers in both North America and Europe, with manual and state-of-the-art automated manufacturing processes that ensure we produce the highest quality exchanger.

We test every single Exchanger we manufacture and guarantee each product will perform as promised. Our global team of 180 members are motivated by a passion for innovation, consistently designing intelligent solutions that give our customers a competitive edge.

With our robust product offering, we are committed to “Improving Life at its CORE” a philosophy that we live by and the key to our success.

CORE Values

Customer Focus

  • It is our aim to be the first choice for our customer and partners. We ask the right questions to understand their needs. We invest in long-term collaboration with our customers. To create a win-win situation is always our target


  • We do business in a sustainable way and honest manner. We care for the environment.
  • We have and show respect, no matter what culture, what gender, what function or what seniority our colleagues have, we value their contribution.


  • We have a positive attitude towards our colleagues, based on trust and mutual respect.
  • We lead by trust not with control. This includes the right to make mistakes and willingness to learn from them.


  • We want to learn from our customers, our competitors, our partners and our colleagues from all different areas and cultures.


  • We communicate in a direct way and share experience with our colleagues.

Everything From a Single Source

Since Paul’s founding in 1994 we have developed, produced and distributed our recuperative Heat Transfer Systems from our site located in Reinsdorf near Zwickau (Saxony). CORE consists of both national and international employees. With their comprehensive experience, they are able to advise and support all customers, to develop solutions that are right for you.

Quality and What it Means to Us

For our team, quality is not only the production of high-class products but also identifying and realizing the individual wishes of our customers. To guarantee the quality of our products, the quality of our processes are necessary. PAUL Wärmerückgewinnung GmbH is ISO 9001:2008 certified. Additionally our employees work with a quality-management-system. Thus we meet the quality requirements for us and our customers.

Advantage by Progress

We are proud of our existing products. Nevertheless we do not intent to stand still. Our Research and Development department works constantly to develop our current products and to identify the trends of tomorrow, implementing them into new innovative products.

CORE Europe Team