Architecture / Jugendstil-Building / Energy Efficiency

Energy efficiency // The outdated technical installations in the building have had an impact on exhibition operations for many years. Due to the unfavourable climate, conservational limit values were exceeded and valid loan conditions could not be adhered to. No advantageous preconditions, then, to present the collection stock in an adequate way and enrich the programme with top-class special exhibitions.
Heating and Cooling
The heating and cooling of the spaces, until refurbishment mainly via the air, will now take place via surface regulation in the walls, floors and ceiling sails. To this end, mineral foam sheets were installed to insulate the building envelope. The heating system was integrated on the insulating level. The building is supplied by district heating of the Mannheimer energy utility (MVV Energie). A so-called absorption heat pump (also operated with district heat and solar energy) provides cooling.
Thermal Protection, Glazing
A high energy-saving potential is provided by the roof of the Jugendstil building which was entirely renewed. Apart from the insulation layer in the outer roof cladding, the historical skylight halls were reconstructed. The original single glazing of the roof as well as the outer wall area above the glass ceiling were replaced by specular reflection glass. To preserve the historical windows, heat insulation glazing was planned for the inside and second window made of thermically separated metal profiles with double insulation glazing were installed. Glare, UV and burglary protection is integrated in the glass structure of the new windows.
Light Planning
One problem before refurbishment was the discrepancy between daylight utilisation and conservational light protection. During the course of the measures, a concept was developed that provided for a modern and energetically sensible combination of artificial light and daylight. The use of LED interior lighting (in combination with daylight) reduces electricity and district heating consumption.

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