The latest biennial assessment from the Expert Council on Climate Issues  (German) reveals a sobering situation: the building sector continues to fall short of its climate protection targets. While greenhouse gas emissions decreased by 2.6% between 2021 and 2023—from 116.2 to 113.3 million tonnes of CO₂ equivalent—this reduction is far from sufficient to meet the ambitious 2030 climate goals.  
 
The analysis presents a clear imperative for action: to achieve the climate target of 65% reduction by 2030, the reduction rate would need to increase from the current -1.3 to -8.3 million tonnes of CO₂ equivalent per year. This represents a 6.5-fold acceleration of decarbonization efforts! 
 

What does this mean for real estate investors? 

Investors face a strategic crossroads: transform or risk value depreciation. The figures clearly demonstrate that existing properties without fundamental energy modernization could become high-risk investments. However, this challenge simultaneously presents a unique opportunity for value creation and risk minimization.

Let's talk about PAUL Net Zero – get in touch now

Strategic advantages for investors 

This is where PAUL Net Zero comes in – not as a marketing tool, but as a strategic response to the complex challenges of the real estate market. The technology combines ecological necessity with economic rationality. The decarbonization of buildings is more than just a compliance requirement; it is a key to value appreciation. Through targeted technological interventions, energy efficiency ratings can be significantly improved and operating costs sustainably reduced. 
 

Technology as a solution 

Our AI-powered solution enables precise transformation: heat pumps, photovoltaic systems, and intelligent control systems are merged into a holistic concept. The result after installation is real estate that not only meets stringent climate protection requirements but is also economically optimized.

The following facts highlight the potential: Just one month after commissioning one of our pilot projects in North Rhine-Westphalia (Germany), we recorded a significant efficiency improvement: 

• The flow temperature was reduced from 70°C to 53°C
• the property's energy efficiency rating was substantially improved from E to A

Let's talk about PAUL Net Zero – get in touch now

 
Source note: Expert Council on Climate Issues (2025): Biennial Assessment 2024. Assessment of Current Developments in Greenhouse Gas Emissions, Trends in Annual Total Emissions and Annual Emission Quantities, and Effectiveness of Measures (pursuant to Section 12 Paragraph 4 of the Federal Climate Protection Act).