Sustainable Housing

Cities & Regions

Affordable housing combined with ecological building concepts

Project Facts


Project Dates
Start: 2020

The Story

The HALLMANN HOLDING – Leading Partner of the AUSTRIAN WORLD SUMMIT 2020 – and its developer company, SÜBA AG, have decades of experience in the industry and a strong partnership. The Group's core objective is to create high-quality living space planned according to sustainable criteria. A further goal of SÜBA AG is to avoid the use of fossil heating systems in all current and future projects. New technologies such as the use of geothermal energy, building component activation, photovoltaics, wind power and intermediate energy storage (in various combinations depending on the project) make it possible to control the temperature of residential buildings with a minimum of energy input. This reduces energy consumption, leads to significantly lower operating costs and increases the quality of life of each individual tenant.

Currently, a milestone for ecological construction is being planned: A Plus-Energy Quarter with a gross floor area of 34.000 m² (living + commercial spaces) will be built in Pilzgasse in Floridsdorf, Vienna. Thanks to a highly efficient building envelope, building component activation supplied by geothermal heat pumps and about 160 150-meter deep probes as well as 5,000 m² of photovoltaic modules, the property will produce more green energy than it consumes itself. The surplus can be fed into the power grid. This will also reduce operating costs for future residents. The project is scheduled for completion at the end of 2023.

Success Factor | Hero Moment
Following role model Arnold Schwarzenegger, Klemens Hallmann also recognized the importance to become active for a climate-friendly future. Since then, the HALLMANN HOLDING has been guided by the principle of combining affordable housing with sustainable building concepts.

HALLMANN HOLDING International Investment GmbH, Austria

Other Involved Stakeholders

Contact Mail


Sustainable Building, Private Initiative