Magazine

Green light for the heating transition! The noventic Magazine offers a regular array of in-depth, up-to-date content dealing with all aspects of the climate-intelligent design of our future.

Browse magazine

Isometrische Grafik: vernetzte 3D-Würfel, Smart-Home-Haus, Natur- und Wassersymbole

Topics

Highlights

Tablet mit App zur Auswertung des Energieverbrauchs, im Hintergrund Person in Wohnung

Current trends & topics that affect the industries.

Background

Luftaufnahme von grünen Feldern mit mehreren Windrädern unter ziehenden Wolken

Facts, studies & analyses on real estate, energy & climate.

Tech & Innovation

Abstrakte schwebende Flächen formen ein geometrisches 3D-Haus auf grünem Hintergrund.

Applications related to the climate-intelligent building.

Opinion & Position

Drei Männer im Anzug sitzen zum Gespräch in einem modernen, hellen Büroraum.

Deep dive with experts on specific topics.

Highlights

noventic ist UmweltPartner Hamburg

With renewable electricity, green roofing and sustainable mobility, noventic is implementing concrete environmental measures at its Hamburg site.

Nelly Bubenheim

3 min

25/08/2026

Certificate: noventic GmbH is an Environmental Partner in Hamburg 2026–2028

Mann im Gespräch in einem Büro, gestikulierend vor Computerbildschirm und Werbetafel.

Article

Smart thermostats from a landlord's perspective

Smart thermostats promise significant energy savings without compromising the comfort of residents. A member of the cooperative board, whose properties are part of the noventic group's lighthouse project, shares his hopes, experiences and initial results.

Thomas Ahlborn

8 min

02/06/2023

Interview

Data Instead of Assumptions: How Transparency Unlocks New Efficiency Potential in Existing Buildings

Traditional refurbishment measures are costly, complex and rarely scalable in the short term. At the same time, regulatory pressure, CO₂ costs and ESG requirements continue to rise. In this interview, Dr Dirk Then, CEO of the noventic group, explains why data-driven transparency in heating system operations is the key lever for efficiency in existing buildings – and why digital solutions are no longer an optional add-on, but a prerequisite for an economically viable heat transition.

Dr. Dirk Then

4 min

17/02/2026

Älterer Mann steuert per Smartphone-App die Temperatur in mehreren Wohnräumen.

Technology & Innovation

Climate-friendly living

The Intergovernmental Panel on Climate Change has sounded the alarm: the 1.5-degree target will be missed without more resolute action by the international community. There is no shortage of ambitious targets, with Germany aiming to cut its greenhouse gas emissions by at least 65 per cent by 2030.

Thomas Ahlborn

6 min

21/04/2023

Highlights

Recording of the online panel at the Berlin Energy Days 2026

Between climate protection and economic efficiency: data-driven strategies for the housing sector. Online panel discussion as part of the Berlin Energy Days. Watch the recording now.

Nelly Bubenheim

2 min

07/06/2026

Background

Zwei Männer vor einem Wohnhaus, einer zeigt nach rechts und erklärt etwas.

Technology & Innovation

Heating system monitoring in housing: transparency enables optimisation

Understanding heat supply before optimising: Many existing buildings lack reliable data on the actual performance of their heating systems, which makes any optimisation a shot in the dark. This article shows why digital heating monitoring is becoming the foundation of modern operations management: it creates transparency about the real condition of the system, enables data-based decisions and is a prerequisite for effective, economically viable efficiency measures in the housing industry.

Thomas Landgraf

5 min.

24/02/2026

Porträt eines lächelnden Mannes im blauen Anzug vor hellem Hintergrund

Interview

CO₂ reduction in existing buildings: Interview with Univ.-Prof. Dr Kunibert Lennerts

Prof. Dr. Kunibert Lennerts is head of the Institute for Technology and Management in Construction at KIT. In this interview he talks about the importance of a long-term sustainability strategy, the importance of short-term measures and the topic of holism in the housing and real estate industry.

Thomas Ahlborn

6 min

24/09/2024

Balkone eines Wohnhauses mit bepflanzten Blumenkästen, davor grüne Baumzweige.

Study | PDF Download

noventic study: the role of the tenant in climate protection in residential housing.

Climate protection in the building sector needs quick successes. A study commissioned by the noventic group on the role of tenants in climate protection shows that tenants are willing to make greater climate protection efforts within their own four walls, provided the cost, convenience and simplicity are right. To achieve rapid CO2 savings, the 1,000 tenant households surveyed showed a high level of acceptance of both the automation of heating and hot water supply and sharing of their own consumption data.

4 min

06/11/2021

Article

Consumption certificate for greater energy transparency

The energy performance certificate is an important document for the energy rating of properties. It documents the actual energy consumption of a building over a period of three years. It provides precise data on energy consumption per square metre and year for heating and hot water. As a transparent tool, it enables an informed assessment of energy efficiency, identifies potential savings and is therefore an important basis for planning refurbishment measures. In a market environment of rising energy costs, decarbonisation pressures and the growing importance of climate change mitigation measures, the energy performance certificate is an important indicator for property owners, as well as an important location indicator for buyers and tenants.

Thomas Ahlborn

5 min.

12/08/2025

Mann mit Brille im weißen Hemd (Geschäftsführer) spricht gestikulierend in hellem Besprechungsraum

Interview

Electricity for tenants: key to a carbon-neutral housing industry and affordable rents

The housing industry is faced with the dual challenge of achieving climate neutrality and ensuring affordable housing. In this area of conflict, rental electricity is increasingly emerging as a promising solution that appears to be able to combine both objectives.

Dr. Dirk Then

5 min

19/03/2025

Technology & Innovation

Mann installiert smartes Heizkörper-Thermostat neben Digitaluhr im Wohnzimmer

Technology & Innovation

Adaptive hydraulic balancing: Why learning systems are necessary in existing buildings

Heating monitoring creates transparency about actual system operation. It shows where systems are inefficient, where settings are incorrect and where energy is being lost. But transparency alone does not change anything. The crucial question is: How can these findings be effectively transferred into ongoing operations in a heterogeneous building stock? A key variable here is hydraulic balancing – a well-known tool that is often inadequately implemented in practice.

Thomas Landgraf

5 min.

03/03/2026

Lächelnder Mann im grauen Sakko vor einem hellen, unscharfen Bürohintergrund

Interview

Energy optimisation in building operations: Interview with Christian Wehrmaker

Christian Wehrmaker's day-to-day work focuses on the holistic networking of solutions, the integration of renewable energies and energy optimisation in existing buildings.

Nelly Bubenheim

6 min

05/12/2023

Grafik zum Vermieter-Mieter-Dilemma bei energetischer Sanierung und Kostenverteilung

Glossary

Housing modernisation: Landlord-tenant dilemma

If an investor is unable to realise a return because he does not receive repayment from the beneficiary of his investment for the newly created benefit, this is known as the investor-user dilemma. The legal requirements to modernise the energy efficiency of residential buildings in order to achieve the German government's climate targets by 2050 are a recurring problem. This is why the term landlord-tenant dilemma is also used in this context.

Thomas Ahlborn

29/04/2025

Technology & Innovation

Smart thermostats and their savings

Experts and industry stakeholders alike agree that there is huge potential for energy savings in the existing building stock. However, without the professional housing industry the energy and heating transition cannot succeed. To date, though, real estate has lagged dramatically behind on the decarbonisation front, and much greater efforts will be needed to achieve the goal set by politicians of reducing all CO2 emissions to net zero by 2045 in Germany and by 2050 in Europe.

Thomas Ahlborn

5 min

10/01/2023

Reihung moderner Stromzähler mit leuchtendem Smart-Meter-Gateway im Hausanschlussraum

theme article

Smart meter rollout: the wait is over - again!

Everything happened very quickly: In October, Economics Minister Robert Habeck announced a planned amendment to the Metering Point Operation Act, and in early December the media reported the first details of the Federal Economics Ministry's "Act to Restart the Digitalisation of the Energy Turnaround". The resumption of the digitisation of the energy transition thus appears to be within reach. Processes relating to smart meters are to be made less bureaucratic, much simpler and more cost-effective for consumers.

3 min

05/01/2023

Opinion & Position

Berliner Energietage 2026

ENERGIETAGE 2026: Between climate regulation and economic efficiency

How can efficiency measures in the existing building stock be implemented in an economically viable and practical way? What role do reliable data play in investment decisions, prioritisation and regulatory requirements? The online panel on 15 April 2026 as part of the Berliner Energietage explored how the housing industry can act sustainably under economic pressure and what perspectives arise from digitalisation, operating cost management and cost recoverability.

15/04/2026 · View article