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Convection and radiation in room heating

A perfect way of heat distribution

Depending on a type of a heating emitter used in any room, in general terms, a heat could be distributed in two basic ways - radiation or convection.

Convection in room heating

Radiation of a heat is defined as: the object having higher temperature (in such a case heating emitter-radiator) produces heat as an electromagnetic wave interfering any objects having lower temperatures (i.e. walls, furniture and other objects placed in a room) and those objects absorb and by this raise their temperature. The amount of heat emitted from the surface of the surface of a radiator is determined by its temperature and the shape and format of the casings. The higher surface temperature results better heat energy output.

From the other angle the physical process of natural convection is based on the specific construction of heat exchanger – copper-aluminum coil is supplied by a heating medium (usually the low pressure hot water - LPHW). Heating medium being conveyed through the coil interferes with a cold air – warming it up. As the warm air has less density than the cold one, it is significantly lighter and goes up towards the ceiling of a room. Heated air being conveyed through the coil also results with the suction of any cold air by creating underpressure on the outer side of a coil.

Convection heating emitters that are manufactured by Verano would emit a heat also using a forced convection, whereas a dynamic of airflow is increased by using nearly voiceless and energy efficient EC DC fan motors.

Each and every heating system is based on either convection or radiation, whereas their participation in the amount of exchanging heat in a room varies. In convection heating a percentage convection share is near to 100%.

It is significant that with any room that uses convection heating system, any air being close to the heat emitter is not overheated, what is quite common when other heating systems are concerned. It happens to be due to low amount of heat being radiated. So, looking into trench heating from Verano, it would not produce the negative and not pleasant "too hot" feeling that is quite common customers experience when any radiant panel/cast radiator is concerned. It happens thanks to natural convection whereas the temperature in is spread equally and is circulated naturally throughout any room, raising by this a thermal comfort

Due to the fact that the heat is transferred evenly through the convection, trench heating or LST wall suspended heaters from Verano guarantee equal, even and constant temperature distribution but also natural circulation of an air, that leads to more air/thermal comfort of residents and occupants of home or office building. A carbon dioxide (CO2) that is breathing away from men’s lungs is usually heavier than the air is, it’s been usually located at the bottom layers of any room and this is considered as a very negative factor when building occupants health is concerned with conjunction to people sleeping or doing any work by sitting at their desks for a long period of time. Natural convection is causing a natural air circulation and influence its homogenisation (ab.: eliminating layers of air that include high density of exhaled CO2).

Recently and due to an extensive R&D works progressed, convector heating emitters manufactured by Verano have been significantly improved in the scope their efficiency but also being adapted to current expectation of sustainable buildings. Such a technology improvement resulted with miniaturization of a heating emitter coil, optimalisation of its geometrics but also a possibility to control trench heaters from Verano in a comfortable manner. Due to this we could now release an intelligent product that would work with