About us

Wingmen of the
energy transition

Our history

What drives us

A proud look back

It was a visionary idea that prompted us to found DAA in 2009: We wanted to finally do something effective to counter the modernization backlog in our boiler rooms. After all, old heating systems and poorly insulated houses consume too much energy and pollute our environment. Making buildings fit for a climate-friendly future - with a new heating system, solar technology or energy modernization - that is our mission and our daily drive!

How do we approach this goal? By providing homeowners throughout Germany with targeted information on their renovation projects and bringing them together with local tradesmen. Since our founding, we have continuously built up our contacts with the trades, our partner network, and a number of online portals - and have grown steadily in line with Germany's climate protection efforts. Having grown up with the photovoltaic boom of the 2010s, we were able to gain an international foothold in Spain shortly afterwards.

A solid foundation

DAA has been part of the Bosch Group since 2017. As a wholly owned subsidiary, we continue to pursue an independent orientation and mutually utilize our synergies for further growth. Today, DAA employs over 100 people in two locations: Hamburg (headquarters with account management, IT, online marketing, and quality management) and Cologne (account management). 

An ambitious vision ahead

Today, we can look back on a proud record: we have already processed over three million modernisation inquiries from homeowners - making us the top contact point in Germany in this area - and we're going to keep going!

Our vision for this decade: We want to continue playing an active role in shaping the energy transition and energy modernisation of our buildings - throughout Europe. Because it is one of the biggest challenges of our time! To this end, DAA develops and supplies all market participants with the online solutions needed to equip homes with state-of-the-art building technology and counteract climate change.

Sebastian Zahn, Managing Director of the DAA
"We are wingmen of the energy transition, connecting homeowners across Europe with the right partners for their modernisation projects."

Sebastian Zahn

Management & Head of IT


Let's talk

My name is Anna and I am your central contact for any questions or concerns you may have.

Anna Lange

Customer service