Energy efficiency

Study: Poor energy balance in real estate 

In an evaluation of 1,681 existing and new buildings marketed by McMakler, it emerged that on average only 13 percent of all energy performance certificates issued were awarded energy efficiency classes A+, A or B and therefore the three best possible energy efficiency classes. If you only look at new-build homes, things look better: Here, 71 percent receive energy efficiency classes A+, A or...

Heating: Protecting smart products from cyber attacks 

The TÜV association draws attention to the advantages of smart heating controls. These can be operated via a smartphone app and learn from user behavior. For example, smart heating controls can remember when and how many degrees the residents want to heat certain rooms. In addition, the thermostats have a so-called window open detection function and switch...

Heating: New regulation adopted 

The Federal Council has approved a new Heating Costs Ordinance (HeizKV). Among other things, newly installed meters must be remotely readable. Devices that have already been installed must be retrofitted with this function or replaced by January 1, 2027. Tenants will also receive a different bill in future. This must include a comparison between the current consumption and the consumption...

Buildings: associations call for higher renovation rate 

Three associations are calling for long-term incentives for energy-efficient building modernization with a focus on energy efficiency and electrification and the reduction of CO2 emissions in the building sector. The German Heat Pump Association (BWP), the German Electrical and Electronic Manufacturers' Association (ZVEH) and the German Electrical and Electronic Manufacturers' Association (ZVEI) are...

Building Forum: Contact point for climate-neutral construction and refurbishment 

With the "Building Forum Climate Neutral", the German Energy Agency (dena) has created a new platform for climate-neutral construction and refurbishment. On this page, dena has broken down information on topics such as "Serial refurbishment according to the energy-saving principle", "Figures, data and facts on the building sector" and "Green & sustainable finance". In addition...

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