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CTA heat pumps in action

Browse through our reference examples and get an idea of how a heat pump heating system could be realised in your home.
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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 It is now also heated sustainably: the old oil-fired heating system has been replaced by a CTA ground-source heat pump.
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Redevelopment

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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Redevelopment

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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Redevelopment

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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Redevelopment

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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New build

Pleasant during the summer, warm in the winter

This detached house on the southern foot of the Jura mountains was skilfully crafted to suit the wind and weather conditions. And with the geothermal heat pump, natural energy is expertly used all year round to ensure comfortable room temperatures.
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Variable refrigerant flow (VRF)

With a special Minergie-standard glazing system

In their new headquarters, the family business swissFineLine, based in Langnau, have architecturally created a sense of boundless freedom and openness. The air conditioning for the glazed building comes from CTA.
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New build

Low-maintenance and economical

The new apartment building in Wilen on Lake Sarnen should be simple, economical, and low-maintenance. Thanks to building processes, an air/water source heat pump and energy-efficient appliances, this goal was achieved.
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New build

Maximum comfort with less energy

When an architect and a building services technician build their own home, the result is a modern construction using the best possible building technology. Overall, the family needs a lot less energy for living. And what they do need is fully sourced from nature.
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New build

Excellent energy balance

The building services for this new-build apartment building are designed in such a way that more solar power is generated than is required for the heat pump. Room temperatures are even more comfortable thanks to comfort ventilation and “free cooling” during the summer.
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New build

One heating system for two apartment buildings

Two apartment buildings are heated and supplied with hot water by a shared heat pump (geothermal probe). Constant geothermal probe temperatures make the system very energy-efficient during both the summer and winter.
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