Thermia AB is a developer and manufacturer of ground & air sourced heat pumps since 1973.Thermia has a turnover of around 75 million EUR and about 215 employees.Thermia is since 2018 owned by Stiebel Eltron. Thermia AB operates as an independent business unit within Stiebel. The Stiebel Group has around 3400 employees across the globe.