- structural measures such as 18 - 20 cm thick thermal insulation of the facades, reduction of thermal bridges (thermal insulation under the foundations, connection details),
- sophisticated heating system with wall heating and intervention in user behavior (window contacts),
- networked heating control with individual room controls,
- controlled exhaust system that minimizes ventilation losses.Efficient use of energy e.g through- regenerative heating of the system in our residential building in Hagenschießstr. 1 and 3 in Pforzheim through the use of geothermal energy and heat pumps,
- district heating supply through combined heat and power generation in the properties Nancystr. 18, 20 and Tennesseeallee 14, Karlsruhe,
- in addition, some of the buildings are equipped with photovoltaic systems.
PHOTOVOLTAIC SYSTEMS AND THERMAL SOLAR SYSTEM
The residence hall uses the electricity generated by the system installed in 2022.We have installed a thermal solar system to generate thermal energy in the residence hall Adenauerring 7 in Karlsruhe. The heat generated is used directly by the residence hall, thus reducing the consumption of district heating and therefore also the costs.
With the renovation of the heating systems, we also met the requirements given by the law EWärmeG of the state of Baden-Württemberg. The law stipulates that at least 15% renewable energy must be used when renovating a heating system. Electricity generated on site reduces the strain on the public power grid. At the same time, the Studierendenwerk becomes more independent of price developments on the electricity market regarding this student residence.
In the residence Zähringerstrasse 4, we can expect a CO² saving of approx. 1 ton/year over the calculated life of the system of ten years. In the property Bernhardstr. 11/Rudolfstr. 20, CO² savings of approx. 8.8 tons/year can be expected over the calculated life of the system of ten years.
INNOVATIVE SYSTEM - WINDOWS OPEN, HEATING OFF
We have been using this system successfully for years (“windows open, heating off”) and thus save energy. This system can be used for floor and wall heating systems as well as for conventional standard radiators.VentilationIn the residence rooms, there is mostly a controlled exhaust air system with individual air intake openings in the window area. This enables a constant indoor air quality.
EQUIPMENT FEATURES IN THE RESIDENCES - INC. COMMON PARTS STRATEGY
According to the manufacturer, up to 98% of the ingredients are of natural or mineral origin. The production is CO²-neutral and therefore does not contribute to global warming.
The floor covering meets our high usage requirements and we have been contributing to climate protection for years through this selection of our floor coverings.LightingAs part of new buildings and renovations, we plan to install LED lighting in the residences. Irrespective of this, we will gradually exchange the lighting with LED in our currently owned residences.BeddingWe offer our tenants bed linen free of charge during their stay. International students in particular use this offer repeatedly. After the end of the rental period, the tenants can return the bed linen to us, which will then be washed by a dry cleaning company and then made available to the next tenant if requested.
MOBILITY IN THE RESIDENTIAL COMPLEX
We then sort out and store them for the time being. After an appropriate period of time, we have been offering a bicycle auction for years, at which these found bicycles then go under the hammer. The bicycle auction usually takes place at the beginning of the semester in the area of the dining hall Am Adenauerring and is always very popular, as one or the other bargain can be found here!If you do need to use your car, you can use car sharing. There are car-sharing stations at various residences.Overall, we offer a number of options for climate-friendly mobility.Our potential tenants can already find out about the respective distances from the residences to relevant places, such as the next stop, the KIT Campus South or the city center, on our homepage. Even when the contract is signed, they are often made aware of the well-developed pedestrian and bicycle-friendly road network in Karlsruhe and the relatively short distances, which the use of a car not necessary because of the climate friendly alternatives. The staff of the Housing Department uses service bicycles very regularly.
TIPS FOR SAVING ENERGY
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