CTC
Enertech AB
Ljungby, Småland, Sweden
About
Founded in 1923, CTC is a private headquartered in Ljungby, Sweden with approximately 200-500 employees specializing in Geothermal, Energy Storage, Other.
CTC, part of the Enertech Group (acquired by NIBE in 2021), is one of Europe's leading heating product manufacturers with over 100 years of history. Founded in 1923 by Celsius, Tellander, and Clarin, CTC has pioneered innovations in heating technology, including the first integrated boiler with hot water preparation, air/water heat pumps (1985), and geothermal heat pump systems. The company manufactures a comprehensive range of heat pump solutions including geothermal heat pumps, air/water systems, indoor modules, and storage tanks. All development and manufacturing occurs in Ljungby, Sweden. CTC offers the EnergyFlex system, enabling integration of multiple heat sources like solar and wind. Products are controlled via the myUplink mobile app and Connect platform. The company emphasizes quality, continuous improvement, and environmental sustainability across its product lifecycle.
Headquarters
Ljungby, Sweden
Founded
1923
Employees
200-500
Company Type
Private
Business Models
Value Chain
Products
CTC EcoZenith 550
CTC GSi12
CTC EcoAir 510M
CTC EcoAir
CTC EcoHeat
CTC EcoZenith i350
EnergyFlex
CTC Connect
myUplink App
Certifications & Awards
Certifications
Nordic Ecolabel (Svanen)
Awards
Innovation Product of the Year