The Greenest Building in the Netherlands
- no external fuel, electricity, water or sewage
Architecten- en Ingenieursbureau
Noordenbergsingel 10, 7411 SE Deventer, The
+31 570-615035, firstname.lastname@example.org
emeritus of Climate Design and Environment, Faculty of Architecture, Delft
University of Technology, The Netherlands
Every decade the Dutch horticulture has a great
exposition event, the 'Floriade'. The next Floriade 2012 will contain a greenhouse
characterised by ergonomic office workplaces in a green surrounding. Normal
offices are located within the greenhouse in different climates including
This literally and environmentally greenest office is also
the greenest building in the Netherlands, lacking public utilities, except ICT.
The size of the building is 42,500 m2. A low glasshouse roof on the
south side climbs up till six floors of office on the north side. The
silhouette of the building is dominated by large parabolic solar collectors.
The seasonal surplus of heat and cold from the solar
power system is stored in the aquifer approximately 50 m beneath the building.
The building is equipped with a heating system based on very low-temperatures (24-25
ŻC), enabled by fine wire heat exchangers recently invented. The cooling of the
indoor climate in summer is based mainly on the same system.
The vacuum sewer system and organic waste collection are
aspects of ecological innovation. By means of an anaerobic bioreactor and a
micro-turbine, electricity can be produced on location with addition of organic
waste. The filtered exhaust gases
are used as nutrients up till 1,000 ppm, in order to take care of the CO2
balance. Pure water can be retained within this process, which takes two or
The parabolic solar collector roof construction is the
most visual innovation. During a 24 hours period a new coating on mirrors enables
the harvesting of boiling water and PV electricity on a sunny day and cold and
condensing water by clear night sky.
In a country of regulation the Dutch government needs
to decide on the building permit for this building that will not be plugged
into public utilities. The paper will discuss all issues related to the
trail-blazing Floriade greenhouse.
Keywords: - Integral design
Fine wire heat exchangers
Low temperature heating
Parabolic multipurpose solar collectors