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Wall Cooling - Functionality & Advantages
The perfect indoor climate – without air conditioning.
Whether in new construction or renovation: wall cooling ensures pleasant temperatures in summer – quiet, efficient, and invisible. Unlike conventional air conditioning systems, it cools evenly and without drafts. The result: a natural, comfortable indoor climate. Variotherm offers a sustainable solution with its water-based wall cooling system for those who want to combine living comfort with energy efficiency.
Brief summary
• The basic principle of wall cooling: As an invisible surface cooling system, it utilizes free wall areas to extract excess thermal energy from the room via so-called radiant cooling, thereby creating a natural, comfortable indoor climate on hot summer days.
• The different types of systems: Depending on the structural situation, two flexible installation methods are available: prefabricated gypsum fiberboards in dry construction (ideal for quick retrofitting in old buildings or loft conversions) and plastered systems, where the pipes are attached directly to the brickwork via rails and then plastered over.
• Functionality and energy efficiency: Water serves as the optimal energy carrier. Chilled water circulates through the pipes integrated into the wall and gently absorbs room heat. In combination with a modern heat pump, this surface-based system operates in an extremely power-saving and environmentally friendly manner.
• Advantages and limits at a glance: Unlike loud air conditioning systems, wall cooling operates completely silently, requires low maintenance, and causes no harmful drafts or dust swirls. The only physical limitation to consider is that large pieces of furniture must not block the active cooling surfaces.
How does wall cooling work?
A wall cooling uses water as a cooling medium. Pipes are laid in the wall through which cool water circulates. The heat in the room is absorbed by the wall and dissipated outside – without fans, drafts, or noise. The effect is highly pleasant: The room air remains evenly cool, and the indoor climate feels natural.
Water-guided wall cooling
Water is the ideal energy carrier: It can efficiently absorb and transport heat. In wall cooling, cooled water is channeled through pipes in the wall. This surface radiation removes excess heat from the room – without any drafts. Especially in combination with a heat pump, the system becomes particularly efficient and environmentally friendly.
The Variotherm wall cooling in detail
The wall cooling is a water-guided surface system that is directly integrated into the wall. Cooled water flows through the pipes. These surfaces do not emit cold air but provide pleasant radiant cooling – completely even and draft-free.
Depending on the construction situation, Variotherm offers two solutions:
- Drywall Construction Systems (gypsum fiber boards with pre-integrated pipes)
- Plastered Systems (rail system with pipes)
Both variants are energy efficient, silent in operation, and nearly maintenance free. Especially in combination with a heat pump, the system operates energy efficiently – and climate-friendly.
Can the wall cooling be installed retroactively?
Yes - of course!
Wall cooling can be retrofitted or used in the renovation of old buildings. The Variotherm solutions for walls and ceilings in drywall construction can be installed quickly and easily in existing rooms. The flexible panels adapt perfectly during attic conversions.
Installing wall cooling – This is how it works
Quick installation – lasting comfort climate
The installation of wall cooling is simple and efficient – especially with the pre-configured systems from Variotherm. Depending on the construction method, either drywall construction elements or plasterable pipe modules are used.
The installation in 3 steps:
- Installation on the wall – e.g., gypsum fiber boards or pipe rails on plaster substrate.
- Connection to the manifold – the pipes are connected to the central system.
- Plastering or filling the surface – ready for interior finishing.
Where is wall cooling used?
Wall cooling is suitable for all rooms where pleasant temperatures are desired in the summer – without any disturbing noises or air movement. They are particularly popular in:
- Living rooms & bedrooms
- Offices & home offices
- Hotels & holiday apartments
- Passive and low-energy houses
In winter, it heats, in summer, it cools – with one and the same system.
Are there also disadvantages to wall cooling?
Like any system, wall cooling also has its limits – here are the most important ones at a glance:
- Planning required: Installation must be planned early, especially in drywall construction or during renovations.
- Space requirement: To ensure sufficient cooling performance, enough wall space must be available – furniture or built-ins can reduce performance.
Conclusion: With good planning, the advantages clearly outweigh the disadvantages – especially in high-quality construction projects with a focus on comfort, sustainability, and design.