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CTC

CTC (Celsius, Tellander, Clarin)

Ljungby, Sweden

Energy StoragePrivate
Founded 1923200-500 employees

About

Founded in 1923, CTC is a private headquartered in Ljungby, Sweden with approximately 200-500 employees specializing in Energy Storage.

CTC, part of the Enertech Group and acquired by NIBE in 2023, is one of Europe's leading manufacturers of heating products and heat pump systems. Founded in Göteborg in 1923, the company designs and manufactures ground/water heat pumps, air/water heat pumps, and associated heating solutions optimized for Scandinavian climates. All development and production take place in Ljungby, Sweden. The company pioneered several heating innovations including the first combined boiler with integrated hot water production, the first air/water heat pump in Sweden (CTC Rebell, 1985), and the EnergyFlex system enabling multiple heat sources in a single configuration. CTC products feature mobile app control through the myUplink platform and achieve high efficiency ratings (COP values exceeding 5.0). The company operates a dealer network across multiple European countries and emphasizes continuous product improvement, quality assurance, and environmental sustainability.

heat pumpsheating systemsScandinavianrenewable energyground sourceair sourcesmart controls

Headquarters

Ljungby, Sweden

Founded

1923

Employees

200-500

Company Type

Private

Business Models

B2BB2C

Value Chain

R&DManufacturingEngineeringConstructionO&MConsulting

Products

CTC EcoPart

CTC EcoAir

CTC GSi

CTC EcoZenith

myUplink

EnergyFlex

Certifications & Awards

Certifications

Nordic Ecolabel (Swan)

ISO

Awards

Most Innovative Product

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