Professionals domain

As a specialist planner, installer or other trade partner you will find information regarding our products and services here. You can download price lists and sales flyers and get an idea of our sphere of activity with selected projects.

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Why we are the right partner for you

With renewable energies, we make sure everything is at the right temperature: As an independent, family-run, Swiss company with more than 200 employees, we have been developing, manufacturing and distributing air-conditioning units, chillers and heat pumps since 1981, and we offer complex integrated system solutions. With more than 70% of our production in-house, we are committed to Switzerland as a workplace. We guarantee the high-quality of our products for up to twelve years. Our regional service technicians ensure optimal maintenance of the systems throughout Switzerland.

Not only there for you when there is a problem

We specialise in heat pumps, air-conditioning units and chillers for every need. We value personal and uncomplicated relationships with our partners and customers.

Reliable and cooperative

As a manufacturer and reliable partner, we are just as interested in satisfied end customers as you are.

Durable quality

With our products, we focus on consistent quality, mature technologies and efficiency. A durable product that works consistently reduces costs and helps protect the environment.

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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Chillers

Cold water production for air-conditioning, process and IT applications.

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Industrial heat pumps

Hot and cold water production for reversible applications.

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Domestic heat pumps

Heating of single-family and multi-family homes with heat pumps.

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Fan Coil

Indoor units for cold water connection to large heat pumps and chillers.

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Split air conditioners

Air conditioning systems for small to medium-sized projects consisting of outdoor and indoor units.

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IT air-conditioning

Air conditioning of computer centres, laboratories and telecom facilities.

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CTAexklusiv – custom-made solutions

We understand that certain projects have special requirements. This is why we also put together individual solutions. We will be happy to advise you in person.

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Are you looking for a particular product?

Use our product finder with filter function to find the product you are looking for.

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Our References

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New building

Efficient cooling solution for Interlaken Hospital

Interlaken Hospital is investing in its future and adapting its infrastructure to meet modern requirements. In the new building now replacing the oldest complex on the hospital campus, a CTA standard chiller ensures everything is at the right temperature – in summer and in winter.

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New building

Cooling and heating for the new Festhalle in Bern

When up to 9,000 people attend a concert or conference inside the new Festhalle Bern, it can get pretty warm. A custom CTA cooling/heating unit acts as a chiller in summer and a heat pump during winter, thus ensuring pleasant temperatures all year round.

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Refurbishment

Heat pump replacement in a 1950s house

Every heating system needs to be replaced at some point. Heat pumps are no exception. In this detached house, the old heat pump was replaced by a new one. Latest-generation heat pumps are even more energy-efficient and economical.

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Replacement system

Extremely quiet replacement system with a sustainable refrigerant

The previous chiller had reached the end of its service life and had to be replaced. A new low-noise propane chiller was installed and commissioned in record time. The backbone of the project was the long-standing partnership with the supplier of the chiller.

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Replacement system

Sustainable cooling technology for cheese production

Cheese production requires reliable cooling. To achieve this, the Studer cheese dairy uses a propane-based cooling system with ice storage. Thanks to its natural refrigerants, a sound and simple safety concept and regular maintenance, this system guarantees optimum quality and seamless operation.

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Replacement system

Bespoke cooling solutions pay off

In addition to high-quality and financially attractive standard solutions, CTA offers its customers custom refrigeration systems that meet special requirements (capacity, regulation, installation, etc.). Although they are more expensive to purchase, they often promise savings in energy costs. And it shows: despite higher investment costs, custom refrigeration solutions are not necessarily more expensive than standard machines over their entire service life.

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Modernisation

Groundwater Heat Pump in a Single-Family Home

There is a large groundwater reserve of extremely high quality in the Aare Valley, between Thun and Bern. Part of the Münsingen community is built on this groundwater area. One neighbourhood in this community features a single-family home that uses the energy from this groundwater for heating.

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Are you a private property owner?

Then head over to our private customer area for everything to do with domestic heat pumps.

To the private customer area