Net plus energy house, Leonberg / Germany - Warema

The pent roof slanted southwards,
following the 17° incline that the house is
built on, is covered by a photovoltaic
installation.
selective paint
Selective slats reflect radiation: only the
visible light is directed into the house; UV
and IR rays are absorbed by the slats and
emitted out of the building as long-wave
heat radiation.
black absorbent
paint
aluminium
slat
The architects and interior designers
Energy and house automation
household appliances and lighting. It is
Effective sun shading system
upper selective paint layer directs the
Sun shading system
Berschneider + Berschneider have or-
Important elements of the integral ener-
also used for storage in a stationary
The fact that the building is oriented to-
visible light of the solar spectrum deep
1 dim-out venetian blind E 73 A6 in
ganised the living space of 260 m 2 in a
gy design are, besides innovative auto-
battery unit and for charging the electric
wards the south is already one way of
into the building. In contrast to a stan-
the sleeping quarters
compact, two-storey structure, which
mation technology, the use of solar ener-
vehicles. Coordinated house automation
optimising passive solar yields and helps
dard coating, the selective slats not only
3 external venetian blinds E 80 A6
was integrated horizontally in the slope.
gy and a consistent reduction of the
and intelligent power load management
reduce the amount of power needed for
protect against overheating, but also
with selective slats
The natural incline is therefore used to
electricity and heating consumption. The
ensure that the renewable energy pro-
heating. It also means an optimal day-
allow more natural light to enter the
4 external venetian blinds E 100 AF
orient all living and common areas
structurally supreme building envelope
duced can be used immediately when it
light utilisation can further cut the energy
interior environment – approx. 30 %
with selective slats
southwards, with generous windows
in combination with a thermally effective
is produced. For instance, the heat pump
consumption. The WAREMA external
more daylight and 50 % less heat is
offering spectacular panoramic views.
interior mass and an electric heat pump
is only in use during the day and is
venetian blinds mounted on the large-
reflected into the house. The room thus
Effective sun shading and glare
All secondary areas, work areas and
make for very low end energy consump-
switched off at night. Some domestic
pane windows facing south are
becomes lighter but remains pleasantly
protection.
areas for home automation have been
tion.
appliances, such as the washing machi-
equipped with aluminium flat slats,
cool. Together with the automatic slat
Optimal utilisation of natural light
placed on the more closed northern
ne, dryer and dishwasher are also only
which reduce the incidence of light and
tracking based on the position of the sun,
deep into the room.
side of the structure. The seemingly
The power required for operating the
used in the day, when possible. Howe-
provide effective sun shading and glare
these blinds ensure excellent user com-
Reflection of visible light into the
frameless windows facing south create
building and for household uses is
ver, these are just a few of the measures
control. Thanks to the adjustable slat
fort and energy efficiency.
building, UV and IR rays are
an almost seamless transition between
produced by a photovoltaic installation
introduced in the building to save energy.
angle, views of the outside are not
absorbed.
the outdoor and indoor spaces and
on the pent roof which is slanted
obstructed in any way by the blinds.
Higher energy efficiency thanks
translate the clear architectural idiom of
southwards.
to lower cooling loads and less
the exterior to the indoor environment.
Builder and energy designer Prof. Dr. M.
Selective slats
use of artificial light.
The house can be entered either via a
Norbert Fisch placed particular impor-
The selective slats used in the Berghal-
More comfort through use of
direct staircase from the garage or stone
tance on achieving a high consumption
de house offer great advantages for the
natural light.
stairs in the garden, rising from the street
of self-produced power, with minimum
energy optimisation of a building: Their
below.
surpluses from the photovoltaic installa-
special coating is almost fully trans-
tion being fed into the public distribution
parent to infrared and UV rays, which are
For more information, please visit
grid. In the house, the system directly
absorbed by the black absorbent paint
www.warema.de
powers the heat pump, air conditioning,
layer underneath. At the same time, the
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