Heating and Cooling by Radiant Systems
The working principal of radiant heat explained - comparison of heating systems
Thermally activate ceilings, walls and floors - naturally air-condition
Ice storage and what else can be done with capillary tube mats
System manufacturer for radiant heating and cooling systems for 25 years
5 reasons for system solutions from BEKA
The demand for comfortable indoor temperatures these days requires a technology that not only meets the required cooling or heating capacity, but also creates a healthy and pleasant indoor environment. In addition, an energy-efficient and therefore environmentally compatible technical solution needs to be used. The answer: Learn from Nature! In line with this maxim it becomes immediately evident that the transfer of heat by means of radiant warmth is the right way to solving the complex task of achieving a comfortable, cosy indoor atmosphere and energy efficiency.
Conventional heating and air conditioning systems use air for transporting heat. The air needs to flow through the room as evenly as possible in order to distribute the heat. Practice shows, however, that this approach tends to only work in theory. The draughts typical of air conditioning systems are well known, as is the fact that the warm air that can be felt rising radiators takes dust and germs with it. Both are not only unpleasant but can also make you ill.
The modern way to control the indoor temperature is to use radiant heating and cooling. Underfloor heating is generally regarded as a recognised and reliable technology. This is no longer a luxury but rather standard in new buildings. Ultimately, however, all room enclosing surfaces are suitable for thermal activation, both for heating and cooling the rooms. However, ceiling, wall and floor technology differs with regard to the effects achieved and efficiency. Nevertheless, the decision as to which area should be activated is quite simple: if you follow the maxim “learning from Nature”, then ceiling heating and, combined with it, chilled ceilings are always the first choice. This is because comforting warmth comes from above!
How does capillary tube technology work
10 mm PE-RT pipe technology for radiant heating and cooling
Radiant heating and cooling with high-quality copper pipe technology
Conventional room heating with radiators. Much of the heat rises upwards. The areas directly near the radiators are strongly heated, while areas further away in the room are significantly less heated or not at all.
Range of Applications
A large area transmits even heat to the room. All parts of the room are equally warm. The system can also be used as a chilled ceiling without structural alteration.
Heat is released into the room over a large area. Part of the heat rises upwards. The system can also be used for wall cooling without structural alteration.
The room is evenly heated across the floor. Use as floor cooling is technically possible but not recommended.
Of course, a healthy indoor environment also requires sufficiently fresh and clean ambient air. However, heat transport alone via air as the heat carrier is significantly less energy efficient than water as the medium. BEKA therefore relies on water-based, hydronic radiant heating and cooling. The water has a temperature close to the desired room temperature during both the heating and cooling operation. The drive power of the pumps required for circulating the water is comparatively low compared with the fan performance of conventional air conditioning systems. Even if source ventilation (triple air changes) to ensure clean and healthy room air is included in the costs for operating the entire system, the use of water-based radiant cooling and heating systems still enables cost reductions of about 50% compared with conventional air conditioning systems.
Which system has better energy efficiency? Ceiling heating vs. underfloor heating - a detailed comparison
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