K. DIAMANTIS AVEE

About Us

Founded in 1989, Diamantis Group is a leading Greek manufacturer specializing in stainless steel chimney systems, air ducting solutions, heating and ventilation equipment. With headquarters in Karditsa and a branch office in Athens, our company has earned a solid reputation for quality, reliability, and technical excellence both in Greece and internationally.

At Diamantis Group, we combine over 35 years of experience with continuous investment in advanced technologies and highly skilled personnel. Our production is fully certified under ISO 9001:2015, and our products meet CE standards in accordance with the European EN 1856-1/2 regulations, ensuring maximum safety, durability, and compliance.

We offer a wide range of standard products as well as fully customized solutions, designed to meet the specific needs of residential, commercial, and industrial projects. From modular chimney systems to bespoke metal fabrications, our goal is to deliver products that exceed customer expectations in both performance and design.

Our commitment to innovation, quality, and customer service has enabled us to successfully complete numerous projects across sectors such as hospitals, commercial centers, universities, and public infrastructure.

At Diamantis Group, we don't just manufacture products — we build lasting partnerships based on trust, expertise, and a shared vision for the future.

Discover more at: www.diamantisgroup.gr