Energy efficiency

Solar energy without your own roof: what alternatives are available 

Not every owner or tenant can install a conventional photovoltaic system on their roof. Nevertheless, there are attractive options for using solar power and thus making a contribution to the energy transition. Tenant electricity models, balcony power plants and investments in solar parks in particular offer alternatives for anyone who wants to be independent of their own roof. Balcony power plants -...

Avoid summer heat in the home: These measures help 

Summers in Germany are becoming increasingly hot. For owners and tenants, the question arises as to how living spaces can be kept pleasantly cool despite rising temperatures. With a few structural measures and clever everyday tricks, the heat can be effectively reduced and living comfort increased. Structural measures for a better indoor climate An effective measure against summer heat...

Energy efficiency classes for properties: What buyers and owners should know 

Why the energy efficiency class plays a decisive role The energy efficiency of a property is increasingly becoming a key factor when buying and selling. Buyers are paying more attention to the energy efficiency rating of a building, as this has a major impact on ongoing operating costs and the need for refurbishment. For owners, this means that a good rating increases the value of the property and...

Smart heating control: How owners can save energy 

Energy costs can be reduced and living comfort increased with intelligent heating systems. Smart thermostats and networked heating systems enable precise control of the room temperature and help homeowners save money in the long term. How does smart heating control work? Smart heating systems automatically adapt to the habits of the residents. With the help of sensors and...

How modern roofs drastically reduce energy consumption 

Roofs play a central role in the energy efficiency of buildings. Modern roof constructions and innovative insulation materials offer enormous potential for reducing energy consumption and increasing living comfort. This article shows how owners can save costs in the long term and increase the value of their property through targeted roof renovations. Thermal insulation - the be-all and end-allA...

The real benefits of energy-efficient refurbishment 

In view of rising energy prices and stricter climate targets, the energy-efficient refurbishment of properties is becoming increasingly important. But which measures are really worthwhile and how high is the savings potential? In this article, we take a detailed look at the benefits of energy-efficient renovations and provide practical tips for owners. Why energy-efficient refurbishment...

A comparison of energy-efficient heating systems: which is worthwhile? 

With rising energy prices and new legal requirements, the choice of the right heating system is becoming increasingly important. But which heating technology will be the best choice for property owners in 2025? In this article, we compare the most common systems in terms of cost, efficiency and environmental friendliness. Heat pumps: sustainable and efficientHeat pumps are considered to be particularly...

Photovoltaics: Possible on listed buildings? 

Today, even listed buildings can often be equipped with photovoltaic systems. New regulations in several federal states allow a more liberal approval practice for solar systems on listed buildings. Owners of historic buildings now have the opportunity to use solar energy to cut electricity costs and reduce CO₂ emissions without significantly altering the appearance of the building.

Energy efficiency: climate protection through building refurbishment 

In Germany, the building sector accounts for around 30 percent of energy consumption and CO2 emissions. A large proportion of the approximately 15 million detached and semi-detached houses are outdated in terms of energy efficiency. However, modern insulation and efficient heating systems based on renewable energies can significantly reduce energy consumption and increase living comfort at the same time. Refurbishment actively contributes to...

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