Climate conservation and green solutions
for real estates

engineering office
Haas Energy Consulting

Climate conservation, energy efficiency and green energy
for commercial and industrial properties, heating networks and residential districts

Climate conservation and energy efficiency

The focus of activity is on the following areas:

  • Climate change and energy-saving procects for existing buildings
  • Energy studies and feasibility studies
  • Simulation calculations for renewable energy systems
  • Design and planning
  • Procurement of subsidies
  • International Consulting assignements

Energy Consultant

Grad. Eng. Winfried Haas is an international consulting engineer and independant energy consultant with 30 years of professional experience in the energy service sector, with many years of experience as an authorized signatory and department head in leading ESCO’s.

Design and implementation of major climate change and energy performance projects,
including award-winning projects, e.g. Green Building Partner Award.



Renewable Heating Plants

Green energy production such as solar heating networks, sector coupling, resource-conservation heating supply, using environmental energy and renewable ressources

Building efficiency

Energy efficiency for commercial buildings (office tower, shopping malls, hospitals...), productions sites, residential compounds
Skyline Abu Dhabi

International Consulting

International energy consulting for climate change and energy efficiency projects, Short and long term expert for international assignments from some weeks to several months, as team member or team leader of english-speaking teams e.g. in USA, Europe, Middle East, Asia