We are S.A.T.

100 qualified personnel are responsible for the photovoltaic power plants, pellet heating systems, bathrooms and all other S.A.T. projects. These include planners, PV installers, electricians, PV service technicians, HVAC installers, customer service personnel, office and warehouse staff, and around ten trainees working in a variety of fields.

Below you find your contact person for each business area:


Mark Friedhoff

Tim Liedke

(Solar Thermal Power, Pellet Heating, Heat Pumps, Condensing Boilers, CHP)

Mark Büll


Sven Bache


Katrin Janke