WeberHaus - Building the Future: Oevolution

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Smart saving

This table shows the benefits that can be achieved by a clever combination of sun, technology and optimised thermal insulation. Even a regular WeberHaus already lowers thermal energy requirements considerably. You can reduce the operating costs of your home to a minimum and contribute actively to protecting our natural environment at the same time.

Research and technology, the ecohome

Building technology

Self build timber frame house technology

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with an Oevolution house

Comparing different insultaing materials shows the effect of the different measures applied. Optimised thermal insulation minimise energy consumption and form the foundation for the intelligent architecture of the future.

Unit	Measure	WeberHaus low energy house	"Oevolution" ultra-low energy house	"OevolutionPlus" zero thermal energy house
u value External wall	W/m² K	0,235	0,203	0,10
u value Window glass	W/m² K	1,2 (g < 63%)	1,10 (g = 57%)	0,80 (g = 60%)
u value Roof	W/m² K	0,201	0,180	0,09
u value Top floor ceiling	W/m² K	0,186	0,186	0,08
u value Basement ceiling	W/m² K	0,299	0,299	0,299
Living space	m²	133	130	150
Enclosed volume	m³	545	545	533
Surface/volume ratio (A/V)	m·¹	0,65	0,65	0,85
Thermal energy requirement under	kWh/m² a	53	31	18
Equivalent to heating oil req.	l/m² a	5	3	0 *
Admissible thermal energy req. under	kWh/m² a	78	78	89

* with active support from solar energy


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