Energy efficiency

Energy: Checking building automation makes sense 

Testing building automation and building management systems can ensure greater energy efficiency and save costs. This is the conclusion reached by TÜV Süd, which supports operators, owners and users in optimizing the energy efficiency of new and existing buildings. To this end, it offers a monitoring service that can be used to identify optimization potential or...

Electricity costs: How low-income households can save money 

Specific support programs need to be strengthened so that low-income households can save on electricity costs. This is the conclusion of the ZEW policy brief published by the ZEW - Leibniz Centre for European Economic Research in Mannheim and the University of Heidelberg, which is based on an empirical analysis of the "Electricity Saving Check". However, according to the ZEW, the funding programs should not...

CO2 costs: sharing between landlords and tenants 

Heating in Germany has become more expensive due to the CO2 tax, which has been levied since 2021. Until now, tenants have had to bear the additional costs alone. However, this is set to change on January 1, 2023. The CO2 tax is then to be split between tenants and landlords. To this end, the German government recently agreed on a phased model for residential buildings. According to...

Saving energy: GDW provides tips 

The GDW Federal Association of German Housing and Real Estate Companies recently published various tips on the subject of "saving energy" to mark the current situation. These include lowering the room temperature. According to the association, temperatures of 20 to 22 degrees are sufficient during the heating period. If the apartment is aired, the heating should be turned off beforehand to reduce energy costs.

Research: Improving solar systems with the help of artificial intelligence 

A technology for optimizing solar systems is the goal of the Dig4morE joint project, which includes the Helmholtz Institute Erlangen-Nuremberg and the photovoltaic companies Sunsniffer, Aquila Capital and Sunset Energietechnik. Using artificial intelligence, the project partners want to develop a methodology that suggests optimization measures for solar installations. Thanks to the...

Refurbishments: Ethouse Award 2022 presented 

The Ethouse Award 2022 from the ARGE Quality Group for Thermal Insulation Systems (QG WDS) was recently presented in Vienna. This prize is awarded to those responsible for holistically realizing the topic of energy efficiency with regard to renovations and setting architectural impulses with a thermal insulation system. The prizes in the categories "Public buildings", "Residential buildings with...

Building refurbishment: ZIA presents position paper 

The German Property Federation (ZIA) has presented a position paper with proposals for the realignment of federal subsidies for efficient buildings (BEG). According to the ZIA, the funding system should be consistently geared towards CO2 savings, among other things. In addition, the expansion of renewable energies in Germany should be increased. Furthermore, the ZIA is calling for a new...

Energy: saving costs in the home office 

How can employees save energy when working from home? The Consumer Advice Center for Energy is looking into this question. It points out that, according to estimates, electricity consumption can increase by around five percent due to the regular use of laptops, desk lamps and electric stoves, among other things. The additional costs amount to around 30 cents to 1 euro per day. In addition...

Model project: GDR prefabricated building undergoes energy-efficient refurbishment 

Together with the Thuringian Housing Association (VWT), planners have developed a concept for the energy-efficient refurbishment of mass-produced residential buildings from the 1980s. This is being tested in a prefabricated GDR building owned by the Stadtroda housing association in Stadtroda, a small town in Thuringia. Among other things, the GDR panel building is to receive a new type of heat exchanger by 2023....

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