GREENTECH! - Energy Efficiency

The rational and frugal use of energy has become a key factor for the competitiveness of entire industrial branches and human society. Saxony’s companies actively participate in various fields with the objective of using energy reserves more sustainably in the future.

Lamellenwärmetauscher, WätaS Wärmetauscher Sachsen GmbH aus Olbernhau

Source: WätaS Wärmetauscher Sachsen GmbH

WÄTAS WÄRMETAUSCHER SACHSEN GMBH, OLBERNHAU

The Olbernhau-based WätaS Wärmetauscher Sachsen GmbH commenced as a start-up business with the production of laminated heat exchangers in 2003. This evolved into the WätaS Group with more than 130 employees. Its core business is the development and production of individual, customer-specific heat exchangers made of the materials stainless steel, copper, aluminum, and steel. Heat pumps and heat pipes as well as low temperature heating systems are also part of the company’s product portfolio. WätaS develops energy efficiency concepts for residential homes, public buildings, and production facilities.

Fertigung der Hochtemperaturwärmepumpen bei Dürr thermea GmbH in Ottendorf-Okrilla

Source: Dürr thermea GmbH

DÜRR THERMEA GMBH, OTTENDORF-OKRILLA

The Dürr thermea GmbH in Ottendorf-Okrilla near Dresden has developed the innovative high temperature heat pump thermeco2® which uses carbon dioxide as a refrigerant. In contrast to conventional fluorinated refrigerants, carbon dioxide neither contributes to the greenhouse effect nor to ozone depletion. Today, Dürr manufactures high temperature heat pumps, liquid chillers, and compressed air dryers with this technology. The systems are applied in building technology as well as industrial processes. For example, the Volkswagen AG Group uses Dürr thermea’s compressed air refrigeration dryers in several factories. 

Blockheizkraftwerk von SES Energiesysteme GmbH, Produktionsstandort Rackwitz

Source: Berliner NetzwerkE, Dietmar Gust

SES ENERGIESYSTEME GMBH, production site RACKWITZ

At its production site in Rackwitz near Leipzig, the SES Energiesysteme GmbH manufactures combined heat and power (CHP) plants which are driven by gas engines and provide thermal outputs ranging between 50 kilowatts and 2,000 kilowatts. SES’s CHP plants are operated with natural gas, biomethane, biogas as well as sewer and landfill gas. The plants are available as ready-to-connect compact modules, in steel or concrete containers, and as turnkey facilities in buildings. 

Gebäude der Solarsiedlung „Rittergut Rabenstein“ in Chemnitz - ein ENERGETIKhaus100 ® von FASA AG Chemnitz

Source: FASA AG

FASA AG, CHEMNITZ

The FASA AG is a medium-sized construction firm headquartered in Chemnitz. With its ENERGETIKhaus100®, the company has developed a building which is supplied with solar energy and requires neither any oil or gas fired nor any heat pump heating system. 90 percent to 100 percent of the heat demand for heating and warm water is covered by solar energy. This is ensured by the intelligent interaction of the solar architecture, the large-scale solar thermal system, and the centralized long-term heat storage as well as a thermal insulation with massive, ecological building materials. The rest is done by a stove with a heat exchanger. The innovative building concept was created in cooperation with the Freiberg University of Mining and Technology. 

LEIPZIGER INSTITUT FÜR ENERGIE GMBH (IE LEIPZIG)

The research and consulting firm Leipziger Institut für Energie GmbH (IE Leipzig) addresses technical, economic, and ecological questions revolving around the national and international energy markets. This includes the entire value creation chain ranging from the production to the distribution all the way to the efficient use of energy. The requisite results are prepared in the form of expert’s reports, market and feasibility studies, environmental performance evaluations, recommendations, and concepts. The aspect „energy and society,“ with a specific focus on the energy turnaround, is of great relevance for the consulting services.

We support Saxony.

Friedhelm Nagel

Managing Director, HOPPECKE

"Already since the early 1990s, HOPPECKE has been producing batteries in Zwickau. The exceptional potential of the location and the employees on site was actually known to us as well as the specific climate for innovation and the prevailing inventive spirit found here. That’s why we selected this location and made investments here in order to address the technologies of the future."

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In Dresden, the United Nations University researches the issues and interdependencies associated with the management of resources.

UNU FLORES, an institute of the United Nations University (UNU), researches the issues and interdependencies associated with the management of resources. One of the objectives is to safeguard and assure a sustainable supply of drinking water and food; primarily in emerging and developing countries. The institute is one of two external branches of the UNU in Germany.

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