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PPSI
Engineering office |
Renovation of a listed “Art Nouveau” town house in Berlin-Lichterfelde
Measures
Gas fired condensing technology
Solar thermal technology
Insulate basement ceiling
Insulation of the roof 30 cm
Replacement of the windows
Basic data
Year of construction:
1896
Surface Area/An: 375 m²
Primary energy requirement
Before: 395 kWh/m²a
After: 158 kWh/m²a
Energy Savings: 61 %
CO2-reduction: 28.515 kg/a
Single family house with annexe to existing building in Berlin-Dahlem
Measures
Assembly of a wood-pellets-
fired central heating
Solar thermal technology
Ventilation and heat recovery
Replacement of the windows
Thermal insultaion of the facade
Insulate basement ceiling
Basic data
Year of construction:
1933 u. 1995
Surface Area/An: 423 m²
Primary energy requirement
Before: 209 kWh/m²a
After: 116 kWh/m²a
Energy Savings: 44 %
CO2-reduction: 41.167 kg/a
Detached-row-house in Berlin-Spandau
Measures
Gas fired condensing technology
Insulation of the facade with ecological insulating materials
Insulate basement ceiling
Basic data
Year of construction:
1984
Surface Area/An: 139,8 m²
Primary energy requirement
Before: 176,5 kWh/m²a
After: 95,4 kWh/m²a
Energy Savings: 46 %
CO2-reduction: 42.342 kg/a
Villa / detached house in Berlin-Hessenwinkel
Measures
Central heating with gas fired condensing technology
Solar thermal technology
Ventilation and heat recovery
Insulation of the facade with ecological insulating materials
Insulate basement ceiling
Basic data
Year of construction:
1911
Surface Area/An: 237 m²
Primary energy requirement
Before: 417 kWh/m²a
After: 65 kWh/m²a
Energy Savings: 84 %
CO2-reduction: 77.091 kg/a
Single family house in Berlin-Wilhelmshagen
Measures
Assembly of a wood-pellets-
fired central heating
Solar thermal technology
Insulation of the facade with ecological insulating materials
Insulate basement ceiling
Basic data
Year of construction:
1994
Surface Area/An: 237 m²
Primary energy requirement
Before: 180 kWh/m²a
After: 41 kWh/m²a
Energy Savings: 77 %
CO2-reduction: 6.163 kg/a
Double family house in Berlin-Hessenwinkel
Measures
Central heating with gas fired condensing technology
Heat-protective glazing
Insulation of the facade and of the cellar ceiling with ecological insulating materials
Insulation of the top floor ceiling
Insulation of the garage door system
Basic data
Year of construction:
1974
Surface Area/An: 445 m²
Primary energy requirement
Before: 190 kWh/m²a
After: 89 kWh/m²a
Energy Savings: 53 %
CO2-reduction: 10.100 kg/a
Single family house in Berlin-Wannsee
Measures
Central heating with gas fired condensing technology
Solar thermal technology
Ventilation and heat recovery
Insulation of the facade with ecological insulating materials
Insulate basement ceiling
Basic data
Year of construction:
1999
Surface Area/An: 294 m²
Primary energy requirement
Before: 307 kWh/m²a
After: 153 kWh/m²a
Energy Savings: 49,8 %
CO2-reduction: 44.524 kg/a
Villa in Berlin-Lichterfelde
Measures
Gas fired condensing technology
Insulate basement ceiling
Insulation of the roof 30 cm
Triple heat-protective glazing
Basic data
Year of construction:
1896
Surface Area/An: 375 m²
Primary energy requirement
Before: 395 kWh/m²a
After: 165 kWh/m²a
Energy Savings: 59 %
CO2-reduction: 27.967 kg/a
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