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Publication Reform der Bundesförderung effiziente Gebäude: Einordnung und Vorschläge zur Anpassung

Kurzstudie im Auftrag des GdW Bundesverband deutscher Wohnungs- und Immobilienunternehmen e.V.

Authors: Martin Pehnt , Helena Stange
Year: 2026

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News High Satisfaction with Heat Pumps – Experiences Exceed Expectations

95 percent of homeowners who have switched to a heat pump in recent years are satisfied or very satisfied with their decision. This is shown by a recent survey conducted by ifeu, the Öko-Institut, and

Publication Suffizienz von Prosumer-Haushalten

Empirische Untersuchung und Handlungsansätze Diskussionspapier des IÖW 80/26

Authors: Monika Orlowski , Tidian Baerens , Jan Wiesenthal , Lars-Arvid Brischke , Yanik Acker , Nadine Walikewitz , Laurenz Hermann , Julika Weiß
Year: 2026

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Publication Strategien für die Dekarbonisierung der Fernwärme in Deutschland: Forschungsprojekt abgeschlossen

Overall project report

Authors: Paula Möhring , Matthias Sandrock , Benjamin Köhler , Tobias Zimmermann , Henrik Pieper , Nikolai Strodel , Johanna Schickling , Jannika Maaß-Schoon , Felix Landsberg , Maja Overberg , Sebastian Blömer , Dominik Hering , Martin Pehnt
Year: 2026

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Publication Aquathermie in Baden-Württemberg – Strategische Bedeutung für eine klimaneutrale Wärmeversorgung

Brief report commissioned by the Umweltministeriums Baden-Württemberg

Authors: Helena Stange , Martin Pehnt , Yanik Acker
Year: 2026

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News Water bodies as a heat source: ifeu sees great potential in aquathermal energy

On behalf of the Ministry for the Environment, Climate and Energy, ifeu has investigated the significance of water-source heat pumps for the heating transition in Baden-Württemberg. The findings show

Publication Sufficient housing in single-family homes: a potential door opener for socioecological transformation of the building sector

Authors: Patrick Zimmermann , Felix Bader , Janika Gabriel , Lars-Arvid Brischke
Year: 2026

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News Strategies for the decarbonisation of district heating in Germany: research project completed

The research project “Heat Transition: Strategies for the Deployment of Climate-Neutral District Heating Technologies”, funded by the BMWE, has been investigating since 2023 how selected technologies

Publication Schwerpunkt Suffizienz: Genug für alle durch bewusstes Handeln

Ökologisches Wirtschaften 2.2026

Authors: Lars-Arvid Brischke , Patrick Zimmermann , et al.
Year: 2026

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News Dossier: Sustainable Neighbourhood Development – Balancing Climate Protection, Climate Adaptation and Future-Proofing

The consequences of climate change are becoming increasingly apparent: extreme weather events such as heatwaves, droughts, heavy rainfall and flooding are disrupting public life and affecting the qual