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Ceiling Cooling: Gentle Cooling without Air Conditioning
The quiet Cooling from above
Summers are getting hotter – and more and more homeowners are looking for an efficient way to cool their rooms comfortably without having to resort to classic air conditioning. A particularly elegant and energy efficient solution is Ceiling Cooling. It ensures a pleasant indoor climate, operates almost silently, and does not create drafts.
Brief summary
• The basic principle of ceiling cooling: As an invisible surface cooling system, it utilizes the ceiling area of the house as a large-scale cooling element. Instead of blowing cold air into the room, it absorbs heat from above via gentle, natural radiant cooling.
• The different types of systems: Depending on the structural starting point, the portfolio offers two tailored installation methods: prefabricated gypsum fiberboards in dry construction (perfectly suited for uncomplicated retrofitting in old buildings or loft conversions) as well as flexible, directly plastered rail systems.
• Functionality and energy efficiency: The hydronic system guides chilled water through the pipework installed in the ceiling. Ceiling cooling unfolds its maximum economic efficiency in tandem with a heat pump, which either cools actively or uses "passive cooling" to tap into the natural coolness of the ground with almost zero electricity consumption.
• Advantages for health and room aesthetics: Cooling is completely silent, low-maintenance, and free of harmful drafts or dust turbulence (ideal for allergy sufferers). Additionally, walls and floors remain entirely free of technical appliances or restrictions from furniture, guaranteeing maximum design freedom.
How does a ceiling cooling work?
In ceiling cooling, cool water circulates through pipes installed in the ceiling of the house. This absorbs heat from the room and dissipates it through the ceiling. Unlike air conditioning systems that blow cold air into the room, cooling here occurs through radiation – similar to underfloor heating, just the other way around.
The result is an even, comfortable cooling without disturbing air movement or noise. The ceiling becomes a large, gentle cooling surface.
Ceiling Cooling and Heat Pump: the Ideal Combination
The ceiling cooling unfolds its full potential in conjunction with a heat pump. This supplies the system with cooled water depending on the outside temperature.
There are two modes of operation:
- Passive cooling: The heat pump uses the natural cold of the ground or groundwater (e.g., in brine-water systems). Here, only the circulation pump runs – the power consumption is minimal.
- Active cooling: The compressor of the heat pump is activated to specifically lower the water temperature. This can effectively reduce higher room temperatures.
Can the Ceiling Cooling also be installed afterwards?
Yes - of course! Ceiling 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, for example, when expanding the attic.
The Variotherm Ceiling Cooling in Detail
The Variotherm Ceiling Cooling is a water-based 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 – evenly 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, quiet in operation, and nearly maintenance free. Especially in combination with a heat pump, the system operates extremely economically – and climate-friendly.
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.