CTA products in use

From the single-family home to large buildings, computer centres and heat networks: in cooperation with you as a trade partner, CTA ensures the right room temperature in many different places. See for yourself and delve into our application examples.
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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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Renovation with ground-source heat pump

Renewable heating in a heritage-protected building

The Schenini family lives in a sustainably inhabited house. Sustainable, because this timber-framed building has allowed people to live here for generations. It is now also heated sustainably: the old oil-fired heating system has been replaced by a CTA ground-source heat pump.
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Variable refrigerant flow (VRF) air conditioning

Air-conditioned lightvessel

The “Gannet” once served as a lightvessel. Today, it contributes to Basel’s cultural heritage as an event location. CTA was called on to supply the VRF air conditioning unit and thus provide pleasant temperatures inside the ship all year round.
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Indoor CBD hemp facility, Nunningen

Complex cooling control for cannabis products

The professional indoor production of CBD hemp flowers requires the precise regulation of temperature and humidity. LMP GmbH in Nunningen therefore uses CTA’s cooling control system. This ensures an optimal climate, day and night, while cooling and dehumidifying the rooms simultaneously.
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Split air-conditioning units

VOI Cubes – Shop at any time

Shop whenever you want - this is what VOI Cubes, a Migros Aare pilot project, are offering. These walk-in vending machines are air-conditioned using CTA split air conditioning units.
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CO₂-neutral at 2,100 metres above sea level

Can a building at more than 2,000 metres above sea level be heated in a CO₂-neutral way? The Pro Natura Aletsch Centre in Riederalp puts this to the test and proves that it can. Air/water source heat pumps from CTA play a key role in this process. The power comes from a self-powered photovoltaic system.
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1.2 MW

Propane chillers, each with a 1.2 MW cooling output

Natural refrigerants are on the rise. Whereas ammonia has to date been the main compound used in megawatt refrigeration systems, propane is now also making inroads into the higher-performance segment. This is underlined by the expansion of the energy centre at the Stuecki-Areal in Basel to include two propane refrigeration systems from CTA, each with a cooling capacity of 1.2 MW.
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Harvesting air as a pair

In this farmhouse, the existing oil-fired heating system was replaced with two interconnected air/water source heat pumps using the natural refrigerant propane. The building owner is now happy to be able to heat the farmhouse using sustainable energy and an environmentally friendly refrigerant.
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CTA Fachpartner Klimageräte


Air conditioning devices artistically integrated into the space

In the exquisite offices of the architectural firm of Comina in Zermatt, an artist paints a suitable imitation wood effect on each ceiling-mounted unit. In this way, the air conditioning units ensure the right temperature for this elegant atmosphere.
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12 opinions, one solution

Using a clever redevelopment strategy, the owner of the “Alte Schmitte” development in Lohn-Ammannsegg replaced the power-hungry electric heaters of the 1980s with efficient and economical geothermal heat pumps from CTA. Each flat now has a heat pump that is roughly the size of a wardrobe. For heating and hot water, these use heat from a geothermal probe field common to each building.
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Biozentrum Basel

Perfect cooling for innovative cutting-edge research

Perfect cooling for innovative cutting-edge research. Three NH3 chillers (Varimatik) are installed in the Biozentrum Basel.
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Radio Zürisee loft

Switzerland’s first radio loft was built in Rapperswil on Lake Zurich. Single as well as multi-split units and an evaporator control unit provide air conditioning for the loft and the studio, as well as the office and server rooms.
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Making new from old

In 2018, a 40-year-old family home was entirely renovated to Minergie-standard. The major components for the completely new building services include an air/water source heat pump, a roof-integrated photovoltaic system and comfort ventilation.
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High-performance air/water

530kW air source heating capacity for Basel

In 2018, Basel City energy provider IWB installed two custom-made, high-temperature air/water source heat pumps from CTA, with a total heating capacity of 530 kW, in the St Jakob heating network. These replaced a natural gas-powered combined heat and power unit (CHP) and contributed to the further reduction of CO2 emissions from the heat supply in Basel.
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A good solution in the Alpine region

To generate sustainable energy and heat, the Hotel Grimsel Passhöhe relies on an air/water source heat pump from CTA, which operates using power from the hotel’s own roof-mounted photovoltaic system and thus uses virtually 100 percent of the heat from renewable energies.
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District heating network

Heat from groundwater heats the Champagne district of Biel

Four-fifths of the energy for heating and hot water in the Champagne district of Biel comes from renewable sources. What makes this possible are two high-performance heat pumps from CTA, which feed the district heating network with heat from the groundwater.
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Product type


Are you a private property owner interested in domestic heat pumps?

Head over to our private customer section and find out more about heating your single-family or multiple-family home with a heat pump.

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