Client:
private
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Am Plessfelde, Hannover
Description
This detached single-family house on a narrow plot of land is planned as a two-story passive house with garage cultivation. The construction is a steel frame with reinforced concrete ceilings and wooden construction in front. The facade consists of plastered wood fiber boards and a ventilated wooden construction for the floor.
Involved parties
Design:
RAUMPLAN - architects Stefanie v. Heeren, Carmen Kiehl
Quality management:
Büro für Bauphysik - Dipl. Ing. architect Stefan Horschler
Building data
Building type:
Detached single-family home
Location:
Hanover
Year of construction:
2010
Residential units:
1
Heated usable space:
177 m2
Subsidies:
BAfA, KfW, proKlima
Building shell
EXTERIOR WALL:
supporting framework:
The steel frame construction provides a flexible floor plan.reinforced concrete ceilings form thermal storage mass.
exterior facade:
The front structure consists of planked wood profiles and is filled with a total of 38 cm cellulose insulation. The building is outside clad with wood fiber boards as plaster base and a wood fiber board with ventilated wood cladding. Inside a gypsum board is mounted on a wooden framework. This space acts as installation level.
HTC = 0.10 W / (m2K)
WINDOWS:
Passive house windows with heat insulating 3-pane glazing in wood and aluminum frame
Outdoor blinds as sun protection
HTC = 0.65 W / (m2K)
ROOF:
Reinforced concrete roof with a slope insulation of polystyrene
HTC = 0.11 W / (m2K)
BASEMENT CEILING:
10 cm polystrene insulation underneath the basement ceiling and 22 cm upon it
HTC = 0,10 W/(m2K)
Building technology
VENTILATION:
central comfort ventilation system with heat- and humidity-recovery functions
heat provision level of 93 %
Installation of ventilation ducts in the concrete ceilings
HEATING:
condensing gas boiler
Heat distribution via panel radiators
Solar thermal system with vacuum tube collectors, 45 ° mounting angle on flat roof for water heating
AIR CONDITIONING:
no active air conditioning installed
Measured values
AIRTIGHTNESS:
n50 = 0,45 h-1
Calculated values
Calculated method: Passivhaus planning package
HEATING ENERGY NEEDS:
13 kWh/(m2a)
????:
85 kWh/(m2a)
????:
29 kWh/(m2a)
