Laurent Altenburger
Energy consultant & Energy efficiency expert (DENA list) for unlisted & listed residential buildings in Berlin-Brandenburg


About me
I am your competent partner for questions relating to energy consulting for residential buildings. My goal is to help you have an energy efficient and environmentally friendly property. With an on-site analysis, I determine your individual renovation needs and create a tailor-made renovation plan that includes calculated savings and funding advice (German norms, law and subsidies). I also offer renovation concepts with CO2-storage. I am also happy to provide consulting in German and French.
My services
Personal, competent, reliable
Individual renovation consulting
I analyze your property on site and create a tailor-made, step-by-step renovation plan, so-called ISFP, which includes calculated savings and funding advice (German norms, law and subsidies).
Energy consulting for residential buildings
I will provide you with comprehensive recommendations on all topics relating to the energy efficiency of your residential property. From the building shell to the heating. From DIY concepts to strawball construction solutions. Also for listed buildings or worthy of preservation
CO2-sink renovation
Not only do you free yourself from energy costs. I also offer you climate positive renovation concepts with CO2 sink in the building shell & net positive energy houses
I will help you with your own energy transition
1 hr
Kostenlos