3E Buildings & Sites is continuing
its activities in a new company
DUSS bv.

3E nv, PREO bv, GuT-T bv and Impact Capital nv join forces by creating DUSS to explore and pursue a sustainable future for the built environment.

The new site duss-explorers.com
will soon be online.

Building design and operation

Project management sustainability
Sustainability & energy certification
Energy & comfort design
Sustainable masterplan guidance
Energy networks
ESCO services
Monitoring & advanced control

Building technology guidance

Building product R&D support
Support with subsidy proposals (VLAIO, EC,…)
International research and demonstration projects


Energy performance regulation (EPBD)
Sustainable buildings & renewable energy integration
Smart cities


Dynamic building simulations
Daylight simulations
Artificial lighting simulations
Cold bridge simulations
Hygrothermal simulations
EPB-PEB reporting
Passive house certification (PHPP)
BREEAM assessment & guidance
Solar irradiation analysis
Wind analysis (CFD)
Financial modelling and investment analysis: LCC analysis, TCO analysis
P90 bankability reports of energy savings measures
Energy audits
Custom-made models and tools
Technical due diligence work

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