The company DIEM was established in 2005. We offer a wide range of products for ventilation and air conditioning on the Slovenian and foreign market.

Our ambitious and devoted team of experts and well-developed network of business partners distinguish our company, so that we can offer you top quality in every aspect of our business activity. Our company is recording significant growth in sales each year on the grounds of successful development, business successes and the growth of our business partners.

The rapid growth of our business activity enables the competitive position, the innovation and flexibility of our company, not only on the Slovenian but also on the European market. Due to a part of our own production we can guarantee good prices, top quality and short delivery times for our customers.