Retrofit Ceiling Heating with Drywall Plasterboard Kits
Perfect thermal comfort paired with super easy installation. Suitable for ceiling cooling
Our retrofit kit for water-based ceiling heating transforms ordinary ceiling surfaces into radiant ceilings. Installation is carried out using drywall construction with milled plasterboard panels, into which the 10 mm PE-RT pipe is already embedded. An RTL control box enables connection to conventional heating systems with high water temperatures. Plug-in connectors simplify installation. As ceilings are not 100% covered by a ceiling heating system, the 11.6 m² kit is generally sufficient for 16 m² of ceiling area. If the set sizes offered are nevertheless insufficient for the room, several ceiling heating systems can be combined and connected using RTL boxes or via a heating circuit manifold.
Ceiling heating creates a healthy indoor climate by providing even radiant heat without stirring up dust, which is why it is also used in many hospitals. Ceiling cooling is also possible when connected to a reversible heat pump. Year-round climate comfort for retrofitting in your home.
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Technical data sheet ceiling heating kit drywallHeating capacity and other technical information110 KB
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PDF Installation Guide - How to Install a DIY Drywall Ceiling Heating KitComprehensive installation guidelines with all required information for retrofitting a FLEXIRO water-based ceiling heating with prefabricated plasterboard.926 KB
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The dew point is the temperature at which the air is 100 per cent saturated with water vapour. It depends on the room temperature and the relative humidity. If the air in the room is cooled to the dew point by the ceiling cooling system, condensation forms. This formation of condensation on the cooling ceiling must be reliably prevented.
How can condensation be prevented?
There are various ways to keep condensation at bay:
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Air Conditioning or Dehumidification of Indoor Air
Targeted dehumidification can lower the dew point, thereby extending the permissible cooling operation. However, such a solution is relatively complex and is rarely used in single-family homes. -
Dew Point Monitoring via the Heat Pump Control System
Some heat pumps or their control systems already feature integrated dew point monitoring. In this case, the permissible flow temperature is limited based on room temperature and humidity. -
Use of a Dew Point Monitor
A dew point monitor can be installed at a location where condensation is most likely to form first during cooling operation, such as at an uninsulated or critical point in the piping or distribution system. If the sensor detects the onset of condensation, cooling operation is interrupted or the cooling water supply is limited accordingly. -
Separate Dew Point Calculation via the Higher-Level Control System
Alternatively, dew point monitoring can be integrated into the building or heating control system. To do this, the room air temperature and relative humidity are measured, and the current dew point is calculated from these values. The control system then ensures that the flow temperature remains above the dew point by a sufficient safety margin.
Regardless of the solution chosen, reliable dew point monitoring is very important for the safe operation of surface cooling. Simply setting a fixed limit on the flow temperature is less reliable, since the dew point can change continuously depending on the temperature and humidity in the room.
It should also be noted that all cold-water pipes and components between the heat pump and the surface cooling circuits must be insulated to prevent moisture diffusion. Otherwise, condensation can form there as well.
We are a manufacturer of components for ceiling heating systems. We cannot provide planning or installation services. In individual cases, however, we can put you in touch with an HVAC installation company. If you send us the key details of your modernisation project, we can match the location with our database of installers.
You are a HVAC company and would like to install FLEXIRO sets? Please get in touch with us.
The weight of the ceiling heating with plastic pipe is 9.05 kg/m² when filled with water. The copper pipe variant weighs 12.58 kg/m².
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How to turn a FLEXIRO ceiling heating system into a cooling ceiling in the summer trending_flat 4 Possible solutions
- What water cooling options can be considered?
- What cooling capacity can be expected?
- How can the chilled ceiling be controlled?
We provide answers to the most important questions when retrofitting a cooling ceiling.
