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Which heat pump suits you best?

We offer heat pumps for single-family homes up to large buildings. Our Optiheat heat pumps are installed inside the house and heat with geothermal heat or heat from groundwater. Aeroheat heat pumps are available for indoor or outdoor installation. They use the outside air as a heat source.
Optiheat Inverta TWW

Geothermal energy

Optiheat Inverta TWW

3-in-1 concept, capacity-regulated, personalised

  • Heating capacity range (product family): 2 - 7.5 kW

  • One unit for heating, cooling and hot water

  • Space-saving all-in-one unit

  • No heat billing in block of flats

  • Scarcely audible

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Optiheat Duo

Geothermal energy

Optiheat Duo

Two compressors for high performance

  • Heating capacity range (product family): 44 - 85 kW

  • Single-circuit heat pump with two compressors

  • Cascadable/combinable

  • Fits through standard doors

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Optialtum Inverta HT

Geothermal energy

Optialtum Inverta HT

Hot water generation made easy – compact and reliable

  • Heating capacity range (product family): 13.6 - 50.1 kW

  • Particularly suitable for hot water generation

  • Legionella protection without electric booster heater

  • Perfect for renovations

  • Reliable make with one or two separate cooling circuits

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Optialtum Inverta HT with two compressors

Geothermal energy

Optialtum Inverta HT with two compressors

Hot water generation made easy – compact and reliable

  • Heating capacity range (product family): 13.6 - 100.2 kW

  • Particularly suitable for hot water generation

  • Legionella protection without electric booster heater

  • Perfect for renovations

  • Reliable make with one or two separate cooling circuits

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Optiheat Inverta TWW

Groundwater

Optiheat Inverta TWW

3-in-1 concept, capacity-regulated, personalised

  • Heating capacity range (product family): 2 - 5.9 kW

  • One unit for heating, cooling and hot water

  • Space-saving all-in-one unit

  • No heat billing in block of flats

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5 from 125 product ranges

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Our references

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Refurbishment

Air source heat pump in converted building

The 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.

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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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Modernisation

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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Neubau

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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Modernisation

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

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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CTA Ltd.

Hunzigenstrasse 2

CH-3110 Münsingen

Tel. +41 31 720 10 00info@cta.ch

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