A majority of Finnish properties utilize Ouman's building automation solutions. With us, the housing companies save approxima ... tely 10-20% of their heating costs. We deliver 1,2 million products annually to several significant instrument manufacturers. Ouman is a Finnish group specializing in automation and energy efficiency and growing in the Baltic Sea region. #ouman, #energyefficiency, #buildingautomation, #energiatehokkuus, #rakennusautomaatio read more