Practices

A very efficient office building in the South of France

This passive office building has been built in 2006 near Valence, in the South of France. The three levels building (2618 m²) uses insulating bricks (50 cm) and wood, strong insulation of the grass roofs and low emissivity glazing. Heating...

Red Kite House Wallingford, UK

Red Kite House is a three-storey office building in South East England with a total floor area of 2 500 m². Each floor is mainly open-plan office area with some meeting and other rooms. Figure 1 shows a plan view of the first floor. The...

Frederick Lanc hester Library Coventry, United Kingdom

The Frederick Lanchester Library forms part of Coventry University. It has a gross floor area of 9 100 m² and is unusual in that, although it is a deep-plan building occupying a 50 m by 50 m footprint, it is ventilated naturally with no...

Aras Chill Dara Building, Naas, Ireland

Space heating is provided by high efficiency gas-fired boilers supplying a compensated radiator circuit. Local zone control is obtained using two-port valves. The boilers also supply domestic hot water, augmented by 60 m² of roof-based...

An efficient naturally ventilated office building (Rijkswaterstaat building in The Netherlands)

The design objectives of this 1750 m² office building were to develop a sustainable and ecological building, integrated with its surroundings and providing a high level of individual control and comfort for occupants. Sustainable materials...

Largest Passive House project in Europe has been opened in Tirol (Austria)

The largest Passive House project in Europe has been opened in October 2009 in Innsbruck, the capital city of Tirol (Austria). About 35.000 m² (brutto) for 354 flats have been build by the building owner Neue Heimat Tirol, a social...
The largest Passive House project in Europe (project Lodenareal) has been opened in October 2009 in Innsbruck, the capital city of Tirol  (Austria). About 35.000 m² (brutto) for 354 flats (26.000 m²) have been build by the building owner...

World largest Passive House settlement "Eurogate" started in Vienna (Austria)

In October 2009 the construction work of the world largest Passive House settlement with 1.700 flat at 100.000 m² has started. Within a tender the City administration of Vienna has stated the Passive House standard as a precondition for...
In October 2009 the construction work of the world largest Passive House settlement with 1.700 flat at 100.000 m² has started.  Within a tender the City administration of Vienna has stated the Passive House standard as a precondition for...

First Passive House Hotel in Austria (and probably in the world)

In autumn 2009 the first Passive House Hotel in Austria (and probably in the world) has been opened. The minimised heating demand is covered by a water/water heat pump, using thermo active building systems, which are also used for cooling...

Leading examples of public buildings: German Reichstag receives certificate with excellent energy performance

The Reichstag building, the chair of the German parliament in Berlin was certified for its energy performance by the Fraunhofer Institute for Building Physics. According to the goals of the EPBD public buildings shall act as leading...
The German Ministry for Transport, Building and Urban Affairs contracted Fraunhofer-IBP in cooperation with the Federal Office for Building and Regional Planning and the company Megawatt to issue an energy certificate based on calculations...

Low cost wood frame passive house launched on the French market

Gico Group, a French specialist of wood frame buildings, launched on the French market a series of low cost one-family passive houses. They are intended to be built by municipalities in green areas. The primary energy consumption is...

St Francis of Assisi Academy secondary school, Liverpool. UK

Key points concerning the design: + East–West alignment allowed substantial area of south-facing façade to encourage passive solar gain in winter. + Use of internal exposed concrete to provide thermal mass in conjunction with night-cooling...

City Academy , Bristol

Key points concerning the design: + Good fuel economy as a result of distributed heating plant. + Underfloor heating provided for low return temperatures, allowing optimum operation of condensing boilers. + Ventilation control in...

SFO Spirehuset an after- and before-school care facility.

The building is naturally ventilated, except for toilets and kitchen which are required by Danish building regulations to have a mechanical exhaust. Natural ventilation is automatically controlled, but users have a possibility for manual...
The design of Spirehuset makes use of both cross and stack natural ventilation principles. Stack ventilation operates with lower air inlets located in the windows, at a normal window height, and upper exhaust openings located in the roof....

SOLTAG

SOLTAG is a living home, designed as an energy-generating climate shield. SOLTAG is a prime can­­­didate for a sustainable home of the future with optimum living conditions for people. SOLTAG produces energy and a healthy indoor climate...
SOLTAG is part of the “Demohouse” project, which is funded under the EU’s “Sixth Framework Programme”. "Demohouse is an international project involving research insti­tutes, housing associations and manufacturers from the building sector...

H2College - Hydrogen and passive house

Herning Municipality is among the frontrunners in the hydrogen field. A recent project involved the construction of 66 youth accommodation units that receive electricity and heating from hydrogen and wind energy, making the units 100 per...

CHH – ChristophorusHaus MIVA, Stadl-Paura, Austria

The principal objective of the design was to reduce energy demand to ‘passivhaus’ standards, with the remaining energy demand covered as far as possible from renewable sources, while simultaneously providing occupants with a high standard...
The building was completed in 2003 and serves a missionary organisation dispatching goods to developing countries. Its use is multifunctional, serving to provide office accommodation, seminar rooms, restaurant and exhibition facilities,...

Vejlandshuset, office building, Copenhagen, Denmark

Heating is supplied from the district heating system. Both mechanical and natural ventilation are used in the building. Mechanical ventilation is used in the most densely occupied areas, while automatically controlled intermittent, or...
Vejlandshuset was completed in 2005. It is five storey office building with a central atrium and total floor area of 13 500 m². On the ground floor there are shared facilities including reception, cafeteria, and an open area for visitors....

YIT Office building, Turku Finland AdVent Case 9

The building has an air-conditioning system with mechanical supply and exhaust ventilation and chilled beams. The building is connected to Turku area district heating and district cooling distribution systems. The temperature of water in...
YIT Office Building is a typical modern five-storey office building and was completed in October 2005. The ground floor (900 m²) serves as a workshop and storage facility and the remaining four floors (6 000 m²) have both open-plan and...

First certified passive house in the Paris Region

The first certified passive house of the Paris Region was delivered in September 2009 in Bessancourt. It has been designed by the architects Milena Karanesheva and Mischa Witzmann (Karawitz, Paris) together with Solares Bauen (Strasbourg).
Having the classical geometry of a French suburban house with its two slopes roof, the 161 floor area square meters single family house is fully closed from north and opened to south to benefit from solar gain. Apart from the foundation...

Stuttgart-Sonnenberg: Reduction of CO2 Emissions in a Nursing Home

A retirement apartment building built in Stuttgart-Sonnenberg in 1965 is a good example of what can be achieved when a major renovation is combined with an energy efficient retrofit concept developed by a holistic design team. The...
The seven story main building of the retirement home was built in 1965 with originally 116 beds. It also incorporates a kindergarten. In 1974 a further building was added as a nursing home with 55 beds. To this second building no...