SIGA was founded in 1966 by Paul and Trudy Sieber-Gadient. Their sons Reto and Marco Sieber have been focusing on globalizing SIGA since 1990. In the third generation, their five children want to further develop the family business.
Today, approximately 40% of the world’s energy requirements are consumed by heating and cooling buildings. This affects the environment and accelerates climate change. We are committed to energy-efficient buildings to stop this progression.
