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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Fachpartner im Materiallager

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.

Areas of application


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

Air-conditioning with cold water

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Split air conditioners

Air-conditioning with refrigerants

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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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CTA Fachpartner Installateur Wärme Klima Kälte

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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Mini-neighbourhood heating cooperative

In a terraced house in Basel, a nano-cooperative is providing heat. This neighbourhood cooperative provides 90% of heating from renewable energy, instead of the previous 33%. This is despite the fact that gas-fired heating systems are still fitted in two of the three residential units.

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Living in and with nature

Eleven buildings with a total of 110 flats. This is "Les Rives de Bramois" in Sion. Remarkably, the buildings only account for 20% of the site area. The remaining 80% are sustainable green spaces and places for non-motorised traffic.

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RZ_Deutschschweiz (5)
New building

Safe and climate-friendly – Chillers with NH₃ for data centres

Their high safety standards make ammonia chillers a reliable and safe solution for cooling data centres. The example of a redundantly designed cooling system for a regional data centre operator shows that high performance and energy efficiency go hand in hand.

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Oil tanks are out; air source heat pumps are in

Owing to his job at Swisshaus, the owner had already established an interest in heating technology as part of the energy transition. Now, he’s also taken this home with him. The oil heating system gave way to an external air source heat pump from CTA.

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New building

Energy-efficient leisure experience at the Silvretta Thermal Baths

The Silvretta Thermal Baths in Ischgl set new standards, both in terms of the experience it offers and in terms of building technology. The construction and its operation should be as energy-efficient and sustainable as possible. CTA’s heat pumps also play an important role.

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Sustainable energy supply for historic building

The site of today’s industrial park “The Valley” is located where the legendary Maggi stock cubes were once produced. From autumn 2023, the historic buildings will be sustainably heated and cooled using energy from the air. The key components are four custom-made, reversible chillers/industrial heat pumps.

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New building

Air source heat pump for an apartment house

The new, quiet, high-performance heat pump from CTA is an ideal fit for the linear architectural style of this new apartment house with view over Lake Thun.

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New Product

New «Aeroheat Livera CL» heat pump with natural refrigerant

A new product in our range is the inverter-controlled, externally installed air/water heat pump with a heat output of between 5 and 8 kW. This heat pump with the natural refrigerant propane is easy to install and flexible in terms of hydraulic integration. It is suitable for new buildings as well as renovations. Up to four units can be cascaded. Active cooling is possible with this appliance after prior clarification.
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View into the heat pump production

Are you considering heating with a heat pump in the future? And would you like to experience for yourself how a heat pump is manufactured and what types of products are available? You can ask us your questions directly at our free information event. The event language is German.
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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.


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