Your high-quality Swiss factory

For sustainable and efficient heat pumps and refrigeration

Who we are

For the right temperature. With natural energy. 


Since 1981, we have been developing and producing high-performance, durable and resource-saving system solutions for heating and cooling all kinds of buildings. As a Swiss family business, we are committed to renewable energies and Switzerland as a workplace. So that the temperature and climate are right – for people and for nature. 
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Sustainable solutions

Durable, efficient, and low on resource consumption. We are committed to renewable energies and energy-efficient system solutions. We truly are “in harmony with nature”.

quality

40 years of experience

Since 1981, we have been developing and producing pioneering and innovative devices and driving technological development in the fields of air conditioning, cooling and heating.

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Swiss quality

Committed to our Swiss location and the highest level of quality, we supply our high-quality devices to numerous countries and are available at seven sites across Switzerland.

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Product innovations

New CTA heat pumps with propane

From January 2026, our product range will include additional heat pumps that use the natural refrigerant R-290 propane – developed to meet the energy needs of the future. Designed for both new-builds and replacement heating systems, our new inverter-controlled heat pumps combine maximum efficiency with low operating costs.
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Donation

Giving families a future

As a Swiss manufacturer of high-quality heat pumps and chillers, we place sustainability at the heart of everything we do – in both ecological and social terms. That’s why, this year, we’re using our Christmas donation to support the Aeschbacherhuus foundation in Münsingen.
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Private Customers

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Verena and Silvio Schenini,single-family house owners, Horgenberg

Finally, sustainable heating

“Since this winter, we have been heating with a Swiss-made geothermal probe heat pump. We are happy about this high-quality, high-performance product and CTA’s outstanding personal service.”