Green technology for ecologically sustainable building projects

Going Green for a better future

Our ecological system solutions are pure green technology. We have developed a patented array of products unique in the world for sustainable, climate-neutral building projects and for the Smart Home of the future. They range from intelligent heating systems with feelgood factor to practically 100% shielding of your living and working space against electromagnetic radiation.

Our claim in all this is very simple: We rely exclusively on natural products, straight through from manufacture to installation to utilisation and residue-free disposal. The Smart Grey product range stands for a new generation of innovative, energy-efficient architecture projects.

Because our future is green.  

Our offers

Smart and ecologically sustainable – our Green Tech Portfolio


For the modern, digitally cross-linked Smart Home.
Intelligent heating to temper different rooms individually.

The heating system of the future.



System solution for highly effective shielding against electromagnetic radiation.

A sure way to protect yourself.


What we stand for

SMART GREY.technologies GmbH stands for the application of green technology in the implementation of ecologically sustainable building projects. But we don’t only talk about a green and livable future. We are doing something to help shape it – with great enthusiasm, international know-how, many long years of experience and the latest technology.

SMART GREY – we stand for climate protection, enhanced quality of life and safety for our customers.

We want you to share our passion and spirit of innovation.


AMBIENA Heat Wall with flexible heating power
As of September 23, the AMBIENA Heat Wall will be equipped with three different heat levels in order to meet […]
Lesen Sie unser Interview mit dem Firmengründer Jörg Sinnig und erfahren Sie, warum intelligente Wärme besser für das Klima ist.
Hardness test
In der Klimakammer des Rostocker Fraunhofer-Institutes wurde die AMBIENA Heat Wall einem Klimasimulationstest unterzogen.

SMART GREY – Das ist gelebter Klimaschutz und ein Plus an Lebensqualität für unsere Kunden

Unser Anspruch ist dabei ganz einfach: Going green for a better future.