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STEFE SK

Slovak heat supplier and producer providing district heating, hot water, boiler-house reconstruction and energy-efficiency solutions.

Last updated September 27, 2026

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Overview

STEFE SK, a.s. is a Slovak company active in the production and supply of heat and hot water. According to its official website, the company has been producing heat and hot water for customers for more than 30 years and has been carrying out professional reconstruction of boiler houses and heating systems for more than 10 years. Its business is built around centralised heat supply, which delivers heat and hot water to buildings through a shared thermal system, and around energy solutions designed to raise energy efficiency and lower energy costs. The company presents itself as a reliable and fair partner that adapts to the individual needs of each customer. Its service portfolio includes the operation, servicing and maintenance of gas boiler houses, the reconstruction of energy-production facilities, the building and modernisation of internal heat distribution networks for heating and hot water, air-handling and gas systems, and measures to improve the energy efficiency of buildings. It also provides energy and technical assessments, proposes measures, selects suitable suppliers, and handles construction engineering and implementation of the proposed solutions. STEFE SK emphasises the use of biomass, waste heat and other suitable energy sources as a way to increase the share of heat from renewable sources and from highly efficient heat production. The company is led by Ing. Ondrej Borguľa, who is identified on the website as Chairman of the Board of Directors (Predseda predstavenstva) of STEFE SK, a.s. The company operates in the Slovak market and communicates with customers in Slovak through its website, where it also offers a digital edition of its customer magazine, TEPLO V MESTE.

History

STEFE SK, a.s. is a Slovak heat-supply company. Its official website states that it has been producing heat and hot water for customers for more than 30 years, and that it has been carrying out professional reconstruction of boiler houses and heating systems for more than 10 years. These statements indicate a long-standing presence in the Slovak heating sector, with an initial focus on heat and hot-water production and a later expansion into the reconstruction and modernisation of heating infrastructure. Over time the company has broadened its activities beyond simple heat generation. Its current offering includes centralised heat supply (TEPLO A CHLAD), through which heat and hot water are delivered to buildings via a shared thermal system, and energy solutions (ENERGETICKÉ RIEŠENIA) aimed at increasing energy efficiency and reducing energy costs. The company also operates, services and maintains gas boiler houses, reconstructs energy-production facilities, builds and modernises internal heat distribution networks for heating and hot water, and carries out air-handling and gas-related works. STEFE SK highlights the use of biomass, waste heat and other suitable energy sources as a means of increasing the share of heat from renewable sources and from highly efficient heat production. Its project work includes energy and technical assessments, the design of measures, the selection of suitable suppliers, construction engineering and the implementation of the proposed solutions, with attention to the effects of planned measures on energy consumption and related greenhouse-gas emissions. The company is led by Ing. Ondrej Borguľa, who is identified on the website as Chairman of the Board of Directors of STEFE SK, a.s. It communicates with customers in Slovak and publishes a customer magazine, TEPLO V MESTE, which is also available in digital form. The company is registered in Slovakia and is described in Wikidata simply as a Slovak company.

  • Company states it has been producing heat and hot water for customers for more than 30 years.

  • Company states it has been carrying out professional reconstruction of boiler houses and heating systems for more than 10 years.

Products and positioning

Reliable and fair partner adapting to individual customer needs; focus on centralised heat supply and energy-efficiency improvements.

  • TEPLO A CHLAD

    Centralised heat supply delivering heat and hot water to buildings through a shared thermal system; the technical solution depends on the site and energy carriers used.

  • ENERGETICKÉ RIEŠENIA

    Energy solutions and projects aimed at increasing energy efficiency and reducing energy costs, including energy and technical assessments, measure design, supplier selection, construction engineering and implementation.

  • Operation, service and maintenance of gas boiler houses

    Operation, servicing and maintenance of gas boiler houses.

  • Reconstruction of boiler houses and heating systems

    Professional reconstruction of boiler houses and heating systems, and reconstruction of energy-production facilities.

  • Internal heat distribution networks

    Building and modernisation of internal heat distribution networks for heating and hot water, as well as air-handling and gas systems.

Sources2 sources

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