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Highlights

Between climate regulation and economic efficiency: data-based strategies for the housing industry

The transformation of the existing building stock is coming under increasing economic pressure: rising construction and operating costs, limited scope for investment, CO₂ pricing, and uncertainties regarding the recoverability of costs and funding. Against this backdrop, the cost-effectiveness of energy efficiency measures in the existing building stock is becoming a key focus.

With the 2026 Panel, we aim to focus the discussion on one key point: cost-effectiveness can only be achieved on the basis of reliable data. Efficiency measures in the existing building stock must now be designed in such a way that they create transparency, underpin decision-making and enable prioritisation – before any major investments are made.

Online event as part of Berliner ENERGIETAGE

Between climate regulation and economic efficiency: data-based strategies for the housing industry

Recording of the online panel discussion held on 15 April 2026 as part of the Berlin Energy Days.
This recording is available in German only.

Watch the recording now

Our speakers discussed how the housing sector can operate sustainably whilst meeting regulatory, economic and social requirements.

This year's speakers

Perspective: Transformation & Systems

  • Florian Wöhlbier

    Senior Expert in Innovation & Transformation
    Kompetenzzentrum Energieeffizienz durch Digitalisierung (KEDi)

    Senior Expert in Innovation & Transformation
    Kompetenzzentrum Energieeffizienz durch Digitalisierung (KEDi)

Perspective: Technology & Implementation

  • Dr. Bardia Rostami

    Head of Business Development
    KALORIMETA GmbH

    Head of Business Development
    KALORIMETA GmbH

Legal Perspective & Allocability

  • Theresa Vogt

    Lawyer, specialising in the apportionability of energy efficiency measures
    Maslaton Rechtsanwaltsgesellschaft mbH

    Lawyer, specialising in the apportionability of energy efficiency measures
    Maslaton Rechtsanwaltsgesellschaft mbH

Moderation

  • Lena Fritschle

    KALORIMETA GmbH

    KALORIMETA GmbH

To overview

Person mit Brille im hellblauen Blazer blickt lächelnd in die Kamera vor Bürohintergrund

Nelly Bubenheim

Head of CSR, noventic group

Since July 2022, Nelly Bubenheim has been responsible for sustainability in the Group. This includes both the further development of the Group-wide sustainability strategy and reporting on activities and measures in this field.

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