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HEAT PUMP WITHOUT OUTDOOR UNIT FOR A RENOVATED STUDENT APARTMENT 

In a renovated 1956 apartment, the owners chose an innovative solution due to limitations – a VERSI heat pump without an outdoor unit. Discreetly installed in the basement, it enables heating, cooling, and dehumidification without altering the building’s facade.
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The renovation of this 1956 apartment, located in a quiet part of Ljubljana, was more than just a visual upgradethe owners wanted to create a modern, comfortable, and energy-efficient home for a student. Before the renovation, the apartment was in poor condition, with outdated installations, an inefficient layout, and an obsolete heating system. Additional constraints came from the building’s energy renovation, which prohibited the installation of outdoor units on the facade. 

The challenge: heating without an outdoor unit

The existing electric boiler and radiators were inefficient and unsuitable for long-term use. The owners needed a solution with low operating costs, minimal construction work, and no visible external components. They also sought independence from district heating systems, allowing them full control over the start of the heating season. 

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The solution: KRONOTERM VERSI-I heat pump

The owners wanted a system that was quiet, efficient, and compatible with the building’s facade regulations. Since external units were not allowed, the ideal choice was the VERSI-I indoor heat pump – a system specially designed for indoor installation in houses and apartments. 

It allows discreet installation and performs exceptionally well in tight spaces. In this case, the unit was placed in the basement directly beneath the apartment, which enabled optimal pipe routing with no impact on living space. 

The VERSI-I is an air-to-water heat pump that uses discreet air vents instead of an outdoor unit, blending seamlessly into the building’s structure. It’s perfectly suited for apartment renovations where exterior units are not permitted. 

Key advantages of the VERSI-I heat pump: 

  • No outdoor unit – ideal for multi-unit buildings, protected facades, or urban restrictions. 
  • Silent operation – perfect for densely populated areas and living spaces. 
  • Indoor installation – flexible setup in basements, storage, or service rooms. 
  • Heating, cooling, and hot water – all in one device. 
  • Elegant solution – maintains the architectural integrity of the building. 
VERSI v stanovanju
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VERSI v stanovanju

Underfloor heating and fan coil units – comfort all year round

In addition to heating, the apartment needed an effective cooling and dehumidification solution. With enough space for underfloor heating, the owners ensured optimal comfort during winter. For summer, they added low-temperature fan coil units for active cooling and improved air circulation. 

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A smart investment in total comfort

Thanks to a well-thought-out system choice, the apartment now provides quiet, automatic, and energy-efficient heating, with no visible external parts and significantly reduced heating costs. 

Looking for quiet, efficient, and visually discreet heating – without an outdoor unit? The VERSI heat pump is made for apartments. Contact us and explore the options for your property. 

VERSI – usage options


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