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MULTICOMFORT
Multi family residential

VIENNA,
AUSTRIA

Saint-Gobain Logo

TYPE OF CONSTRUCTION

Renovation

LOCATION

Vienna, Austria

CLIMATE

Humid Continental Mild Summer, Wet All Year(Dfb)

MAIN FUNCTION

Apartment on fourth floor of six-storey multi-family residential building

SURFACE AREA

77m2

ARCHITECT

Robert Schild

BUILDING NAME

N/A

MAIN CONTRACTOR

Bmst. Christian Eible, Tulln

ORIGINAL CONSTRUCTION YEAR

1960

YEAR OF RENOVATION:

2010

MULTICOMFORT design principles can be applied to any type of building (residential or non-residential, new build or renovation project) in any country or climate around the world.

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This 1960s Vienna apartment was entirely renovated to meet the Passive House standard.

Successful application of MULTICOMFORT principles resulted in improved thermal and acoustic comfort and the delivery of a constant supply of fresh, oxygen-rich air.

As well as saving on energy costs, the apartment – which now sports new windows, as well as a new kitchen and bathroom – has significantly increased in value.

Highlights and challenges

The aim of this project was to renovate a fourth floor apartment, located within a six-storey multi-family residential building, to achieve the Passive House standard – paying particular attention to insulation and acoustic performance.

TECHNICAL

Energy balance*

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Energy consumption:

13.9 kWh/m².yr

Energy balance:

-112.1 kWh/m².yr

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Energy production:

126 kWh/m².yr

Estimated CO2 savings:

7.847 kWh per year Equivalent to 1.883 kg CO2

Thermal performance

Average inside temperature:

Winter: 21°C - 24°C
Summer: 23°C - 25°C

Acoustic Performance

CO2 concentration

between 600 and 1,000 ppm when the apartment is occupied by two people.

** Difference between external and internal noise levels.

Airtightness under 50 Pa

n50: 0.57 h-1

Air quality

CO2 concentration at between 600 and 1,000 ppm when the apartment is occupied by two people.

PRODUCTS USED IN
THIS BUILD

>> Isover mineral wool

>> Vario KM Duplex