Elbe-Shopping Mall, Hamburg

Project management for the installation of the major cooling plant

Winfried Haas has conducted the construction of the central major cooling plant, including the cooling distribution system on the whole shopping mall. This has included the execution planning, the management of the suppliers, on-site construction management, and commissioning.

Convention Center FEZ-Berlin

Management of an Energy Performance Contract

Awarded with the Green Building Partner Award 2008

Energy cost reduction 196 T€/a (26 %)
Investment: 700.000 Euro
CO2-Emissionen: 1.467 t/a bzw. 30%
Term: 12 years

Deutsche Oper Berlin (German Opera of Berlin)

Management of an Energy Performance Contract

Energy cost reduction 233 T€/a (36 %)
Investment: 1.6 Mio Euro
CO2-Emissionen: 1.085 t/a bzw. 32%
Term: 12 years

Messeturm (fair tower), Frankfurt/M

Troubleshooting and HVAC-Simulation

In some tenant areas had appeared climatic uncomfortable ambient air conditions. Winfried Haas has been assigned for troubleshooting. He has analysed the operation conditions and the function of the cooling production plants as well as of the major air handling units. He has undertaken some energy modelling of the air conditioning process using state-of-the-art computer simulation tools in order to solve the issues.

Japan Center, Frankfurt/M

Optimization of the control strategies of the major air handling units, energy modelling of the air conditioning process using state-of-the-art computer simulation tools

Allianz Real Estate

Energy audit for an office building, Frankfurt/Main

Winfried Haas has conducted an energy audit  for an office building in the city of Frankfurt/M. This included all HVAC and heating-systems, the major air handling units and the lighting system.

30 schools and kindergarden, Berlin

Management of an Energy Performance Contract

Energy cost reduction 215 T€/a (20 %)
Investment: 800.000 Euro
CO2-Emissionen: 925 t/a bzw. 20%
Term: 12 years

Climate change project for germanwide 800 properties

Consulting on awarded energy performance project for 800 properties

Winner of the European Energy Service Award 2012 (EESA)

Consulting on europeanwide largest energy performance project with notable reduction of GHG-emissions and energy consumption.

Advising the Contractor Imtech on the development and implementation of the Lorac-Imtech-Efficiency-Project for 800 properties of Lorac S.a.r.l. (Luxemburg) in Germany. The motivation for the main user of this building, the Deutsche Post AG, were the high savings of CO2 emissions, which constitute a notable contribution to their Go Green Initiative.

German Stock Exchange, Frankfurt/M

Troubleshooting for the trade area of the stock exchange

In the trade area of the stock exchange, in  the backoffice area and in the executive floor had  appeared climatic unconfortable ambient air conditions. Winfried Haas has been assigned for troubleshooting. He has analysed the operation conditions and the function of the cooling production plants as well as of the major air handling units. He has undertaken some further measurements to identify and solve the failure reason.