Heating and cooling using natural energy

Heat pumps are the most economical and eco-friendly solution for your domestic comfort. Heat pumps from our quality factory in Münsingen can cool your home in summer and heat it during winter using up to 80% free energy from the ground, water and air.

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We can advise you.

Talk to your regional heat pump advisor today.

Your contact person
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Servicing available regionally and throughout Switzerland

Our regional service team will maintain your heat pump and is on hand if something doesn't work as it should.

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Developed and manufactured in Switzerland

We develop, manufacture and test our Optiheat heat pumps in our quality factory in Münsingen.

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Durable, economical heating systems

Heat pumps are not only the most ecological form of heating; they are also the cheapest solution over their service life.

All about our heat pumps
Heat pump types
References
Productrange Domestic Heatpumps
Servicing
Useful information
The right heat pump
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How much does a heat pump cost? With our heating calculator, you get an initial guide price and comparison of the individual systems.
to the heating calculator

Downloads

Sales brochure Heat pumps international product range

document

cta wärmepumpen Familie Producktion

A look at heat pump production

Are you considering heating with a heat pump in the future? Attend our Heat Pump Info Day!

Info and registration (only German)

Comparison of heat pump types

Overview
Air heatpump visualization
Air
The most popularThe air/water heat pump is installed indoors or outdoors. No other heat pump can be installed so quickly and cost-effectively.
Earthprobe heatpump visualization
Earth probe
The longest-termThe geothermal heat pump is installed inside the house in a compact way. In the long term, no other heating system is as cost-effective.
Groundwater heatpump Visualization
Groundwater
The most powerfulThe groundwater heat pump is also installed in the house. It is worthwhile for larger outputs where a lot of energy can be saved.

Our references

All
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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.
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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.
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Modernisation
Groundwater Heat Pump in a Single-Family HomeThere 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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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.
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Modernisation
Mini-neighbourhood heating cooperativeIn 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 natureEleven 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 inOwing 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 houseThe 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 buildingThe 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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Redevelopment
Harvesting air as a pairIn 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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