At the company Stroj - energijska tehnika d.o.o. we are specialised in a full range of works in the field of heating, which involve consulting, design, production, installation, and service.

The advantages and the driving forces behind the company are knowledge, experience and the technical know-how, based on 40 years of experience in the field of heating, use of alternative energy sources, energy efficiency, and environmental protection.

The company was founded in 1978 by Franc Stroj. The beginnings of our development date back to his early teenage years. Even as a primary school student, he had a passion for innovation, and searched unusual solutions, particularly in the areas of water, electricity and heat. 

Since its very beginnings, our company boasts a strong R&D activity, demonstrated by numerous patents and innovations. The production line of our company, Stroj - energijska tehnika d.o.o., is based on manufacturing entire heating systems. We are especially proud of our production of solar collectors (SEC), heat pumps, and combination boilers compatible with solar energy, gaseous fuels, oil, and biomass. Stroj heating system strives to save energy, and significantly contributes to lower costs of energy consumption, and consequently, a cleaner environment.

Our company, Stroj - energijska tehnika d.o.o., is always looking for new improvements that deliver innovative solutions for individual features of each project and constantly upgrade methodological and technological processes. All elements of the heating system are reliable and provide flawless performance, which is confirmed by their long service life.

Thousands of small and large heating systems testify to the quality and trust that the users and experts grant this company with a long tradition.
Our effective production and installation team provide high quality products, professional installation, regular maintenance, and a customer service that is always available for any questions you may have. 

Within the facilities of our institute, which operates within the Slovenian Research Agency, under no. 2539, date: 7 March 2007, we test and design new products, which enable efficient use of renewable energy resources.

Creating new innovations and patents through continuous investments in research and development.

The company boasts innovative solutions to current individual features that continuously deliver improvements and patents. Thus, we can be proud of our innovative solutions, such as special boilers and hot water storage tanks, façade heating system, exquisite solar collectors, etc. More on our innovations.