Patents and utility models, industrial property
For nearly 40 years, GRETEL has researched, developed, innovated and made unique, upmarket devices.
The GRETEL® brand holds patents and models that are the results of know-how, skills and experience gained over the past decades, as an electric boiler specialist.
Thus, our growing range allows us to offer products with incomparable specifications so as to facilitate installation by professionals, and provide users with sustainable, simple, efficient and economical heating solutions.
Our ambition is to continue our development towards even better solutions based on our corporate culture focusing on quality and innovation.