CTC
Enertech AB
Ljungby, Sweden
About
Founded in 1923, CTC is a private headquartered in Ljungby, Sweden with approximately 200-500 employees specializing in Geothermal, Energy Storage.
CTC is a leading European manufacturer of heating products and heat pump systems. Founded in 1923 by Gunnar Tellander, Celsius, and Clarin in Gothenburg, Sweden, the company has evolved into a major producer of sustainable heating solutions. The company operates under the Enertech AB group, which includes brands CTC, Bentone, and Turboflame. All development and production occurs in Ljungby, Småland region of Sweden. CTC pioneered numerous innovations including the first combined heating boiler with integrated hot water production, the first air-to-water heat pump in Sweden (CTC Rebell), variable-speed geothermal heat pumps, and the EnergyFlex system allowing integration of multiple heat sources. Products are designed for Nordic climates and include geothermal heat pumps, air-to-water heat pumps, indoor modules, and storage tanks. The company emphasizes quality, sustainability, and continuous improvement.
Headquarters
Ljungby, Sweden
Founded
1923
Employees
200-500
Company Type
Private
Business Models
Value Chain
Service Regions
Northern Europe, Europe
Products
CTC GSi Geothermal Heat Pump
CTC EcoAir Air-to-Water Heat Pump
CTC EcoZenith
EnergyFlex System
CTC Professional
CTC Connect App
Certifications & Awards
Certifications
Nordic Ecolabel (Swan)
ISO Certificate
Awards
Most Innovative Product