Proven Expertise. Strategic Clarity.
Emirate-wide governance and technical outcomes for high-stakes hospitality assets. We translate fiduciary oversight into tangible risk mitigation and capital preservation.
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Emirate-Wide Strategic Governance: Abu Dhabi
The Foundational DSM Roadmap & Portfolio Assessment | Legacy Engagement (2009–2010)
As the Lead Consultant of a German ESCO for the Demand-Side Management (DSM) module within an emirate-wide energy transformation project for ADWEA (today Department of Energy – DoE), Winfried Haas established the strategic baseline for Abu Dhabi’s building efficiency.
Facts:
- Scale: 30,000+ buildings evaluated,
- Impact: ~35% efficiency potential identified.
- Priorisation: 200+ buildings prioritized
Selected European Projects: Technical Depth & Asset Rigor
The following projects reflect the founder’s track record in managing energy transitions for high-value real estate. While the Abu Dhabi legacy defined the strategy, these engagements prove the technical rigor required to optimize complex 5-star hospitality and institutional assets.
Conrad-Hotel
Hamburg / Germany
Building Efficiency Retrofit
Efficiency retrofit of major Air Handling Units, with grant optimisation and MRV approval.
Deutsche Oper Berlin
Berlin / Germany
Guaranteed savings Energy Performance Contracting
36% proven cost & CO2 reduction for Berlin’s largest Opera
Levantehaus Shopping Mall
Hamburg / Germany
Building Efficiency Retrofit
Efficiency retrofit of major Air Handling Units, with grant optimisation and MRV approval.
ELBE Shopping Mall
Hamburg / Germany
Chiller Efficiency Retrofit
Efficiency retrofit of major cooling system with high-efficiency chillers
Hamburg International Airport
Hamburg / Germany
Energy Efficiency Retrofit
Efficiency retrofit of major air handling units for Terminal 1
German Stock Exchange
Frankfurt / Germany
Restoring mission-critical cooling of main Trading Floor
The trading floor was swiftly restored by resolving critical cooling failures at chillers, AHUs, and ice thermal storage.
[ View Case Study ]
Event Center
Hamburg / Germany
Awarded Energy Performance Contracting Project
26% proven energy cost reduction with guaranteed savings over 12 years
Deutsche Post AG
Building Portfolio
Berlin / Germany
Awarded Energy Performance Contracting Project
Europe’s largest EPC project delivering 17,000 t CO₂ reduction annually
Jacob's Coffee Rostery
Berlin / Germany
Dekarbonisation Retrofit Concept
Industrial waste heat recovery supplying district heating for residential quarter
Public School Portfolio
Berlin / Germany
Guaranteed savings Energy Performance Contracting
20% proven cost & CO₂ reduction across 30 public school buildings
Frankfurt Trade Fair tower
Restoring mission-critical cooling of Office Tower
The office tower’s indoor climate was restored and energy use reduced through simulation-based optimization of AHU control settings
[ View Case Study ]
Two Data Centers
Hamburg / Germany
Efficiency Retrofit for UPS systems
UPS system retrofit improving energy efficiency across two data centers
Data Center
Hamburg / Germany
Chiller Efficiency Retrofit
Efficiency retrofit of major cooling system with high-efficiency chillers
Two Data Centers
Nürnberg, Munic / Germany
Efficiency Retrofit for UPS systems
Independent oversight ensuring risk-informed delivery and verified outcomes
Data Center Operator
Cologne / Germany
Energy Audit for germanwide Data Centers
EN 16247 Audit for Headquarter, germanwide branches and all Data Centers
Data Center
Munic / Germany
Cooling Thermal Energy Storage (TES)
Demand analysis, cooling & energy modelling, energy storage retrofit concept and expert report
Residential Quarter
Berlin / Germany
Renewable Heating Supply for Residential Quarter
Demand analysis, heating & energy modelling, Design and Capex/Opex Analysis
Townhouse Community
Berlin / Germany
Low carbon District Heating and Power Supply
Decentral CHP-based district heating supplying 300 residential units efficiently
Production Site
Berlin / Germany
Energy Audit for Silicon Power Production Site
Energy Efficiency Retrofit Measures for heat, power and cooling supply, AHU, building automation, electrical systems lighting.
Group Headquarter & Production Site
Nordborg / Denmark
Industrial site achieved net zero emissions
Energy Audit for heat and cooling supply, electrical systems, AHU, Lighting.
Production Site
Grasten / Denmark
Energy Audit for Power Electronic Production
EN 16247 Audit including cooling, ventilation and AHU, compressed air systems, and lighting.
Production Site
Heiligenhaus / Germany
Multiple Energy Efficiency Retrofits
Energy Audit and energy efficiency retrofit expert reports for multiple heating systems, pressed air system, Hall cooling and ventilation system.
[ View Case Study ]