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You are in good hands with CTA.

Thanks to our wide range of products and our specialist knowledge, you get what you need for your projects. From single-family houses to large buildings, computing centres and heating networks: we are your partners when it comes to the cooling and heating of rooms. We will also design specific solutions for your project.
Chillers
Industrial heat pumps
Domestic heat pumps
Fan Coil
Split air conditioners
IT air-conditioning
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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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Industrial air/water heat pumps for industrial or chemical processes
cta wärmepumpen im Einsatz
Domestic heat pumps for small to large projects
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Efficient air conditioning with cold water distribution to our fan coil indoor units
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Split air conditioners for simple installation solutions and on-demand cooling
Klimaschrank Serverbild CTA
IT air conditioning in large and small format
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CTAexklusiv – custom-made solutions
CTA Fachpartner Installateur Wärme Klima Kälte

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Our references

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Refurbishment
More self-consumption thanks to a heat pumpHeating their home as sustainably as possible using their own solar power and free energy from nature – this is what the Merki family had in mind. The intelligent coupling of PV system and heat pump allows them to use as much of the solar power generated on their roof as possible.Learn more
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Modernisation
CO2 heat pumps for the Rocksresort LaaxUsing resources responsibly is a core part of Rocksresort’s DNA. As part of its efforts to further reduce its use of fossil fuels, air-conditioning and heating at the resort now rely on two efficient and climate-friendly CO2 heat pumps from CTA.Learn more
CO2W Bassersdorf web
Modernisation
CO₂ heat pump for a residential complex with 28 homesAt the InSite residential complex in Bassersdorf, a modern CO2 air/water heat pump, supported by an isobutane heat pump, acts as a reliable source of heat and hot water for the 28 homes spread across three buildings. The installation shows how fossil fuel heating systems can be replaced efficiently and sustainably even in large residential complexes.Learn more
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New building
Efficient cooling solution for Interlaken HospitalInterlaken 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.Learn more
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New building
Cooling and heating for the new Festhalle in BernWhen 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.Learn more
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Refurbishment
Heat pump replacement in a 1950s houseEvery 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.Learn more
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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. Learn more
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Replacement system
Sustainable cooling technology for cheese productionCheese 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.Learn more
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Replacement system
Bespoke cooling solutions pay offIn 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.Learn more
MFH Bleiken
Refurbishment
Air source heat pump in converted buildingThe former Bleiken community centre today houses three rental apartments, a fire station and some school facilities. Its old oil-fired heating system has been replaced with a modern air/water heat pump supplied by CTA.Learn more
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