Client:
married couple Marilu Krallmann and Bernhard Jaspers
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Am Leineufer
Description
The single-family-passive-house was built in 2008 on a former farm parcel with ancient tree population located right beside a nature preserve nearby the Leine.
Decisive for the passive-house's blueprint was the wunderful view into the landscape, which should be apparent by the most important living areas. These open from north- to south-west - for a orientation according to energetic aspects not optimal - even if the construction as a passive-house was decided a priori. Based on the reserved colouration of its brickwork, the house integrates discreetly into countryside. The residences original form is underlined in its clarity through the continuation of the outside brickwork in the entrance area. Furthermore, the randomly seeming style of arranging and sizing windows creates tension. Brickwork and facade cladding get not into competition based on the decent elegance of the grey overlend-bricks.
Parties involved
Design:
Bernhard Jaspers Dipl.-Ing. architect
Building Data
Building type:
Single-family-home with integrated office
Location:
Neustadt am Rübenberge
Year of construction:
2008
Living quarters:
1
Heated usable space:
221 m2
Subsidies:
BAfA, KfW
Building shell
Exterior walls:
double leaf masonry with core insulation, d = 50 cm
thermal bridge-optimized version of the connection details
HTC = 0.125 W / (m² K)
Windows:
passive house-window 3-pane glazing with wood and aluminum frame
HTC = 0.72 W / (m² K)
Post-Bar Curtain
HTC = 0.88 W / (m² K)
Roof:
Pitched roof with cellulose and mineral wool insulation
HTC = 0.08 W / (m² K)
Flat roof as a construction of wood with cellulose and mineral wool insulation
HTC = 0.07 W / (m² K)
Floor Plate:
30 cm foam glass gravel as insulation under the bottom plate and 19 cm polystyrene insulation on the bottom plate.
HTC = 0.10 W / (m² K)
Building technology
Ventilation:
ventilation with heat recovery
degree of heat contribution 77%
preaheating of ambient air with 3 x 33m long air-soil-conductor
Heating:
pellet stove with direct and indirect heat emission and solar water heater
Air conditioning:
no regular air conditioning installed
Measured Values
AIRTIGHTNESS:
n50=0,45 h-1
Calculated Values
HEATING ENERGY NEEDS:
14 kWh/(m²a)
TOTAL ENERGY NEEDS FOR HEATING,AIR CONDITIONING,DHW, ELECTRICITY:
46 kWh/(m²a)
PRIMARY ENERGY NEEDS FOR HEATING,AIR CONDITIONING,DHW,ELECTRICITY:
11 kWh/(m²a)
