How to prepare the schools for winter with windows open?

Keeping the windows open without the students and teachers being affected by the cold is a great challenge that schools will have to face. At Magnovent, we have analyzed what would be the best solution for this situation.

The Importance Of Ventilation In Schools

Researchers from the Higher Council for Scientific Research (CSIC) and technicians from the Mesura Association have developed a guide of guidelines to ventilate the classrooms to minimize the spread of the coronavirus disease?. The document establishes the recommendations for effective ventilation and air renewal, based on the volume of the room, the number of students and their age.

The World Health Organization (WHO) advises to ventilate and renew the air in classrooms. The healthiest and most efficient solution is to perform this action with low-energy and quiet ceiling fans. Ceiling fans incorporate the reverse mode, it is usually used in winter to lower the heat of the upper layers and is perfect to perform the function of interior air renewal.

EFFICIENT RADIANT HEATING

The government recommends ventilating classrooms despite the cold, hence the search for alternatives to air conditioning systems to heat the space, since using air conditioners at maximum speed would lose hot air due to the flow of air in circulation and would emit much more C02. The best solution to solve this problem would be to install radiant heating, since it is a heating system that does not heat the air, if not, it radiates the heat directly to people and objects.

Schools, institutes and universities expect to increase spending on heating for this winter due to the need to ventilate the classrooms due to the recommendations to prevent the spread of Covid-19. The radiant panels generate a very pleasant feeling of comfort despite having the windows open. In the current situation, in order to keep classrooms comfortable with a very large air volume, this system turns out to be the only viable, hygienic and economical way of heating.

WHICH KIND OF HEATING TO CHOOSE?

Depending on the space available, the distance from the ceiling and the conditions of the premises, it will be decided to install one heating system or another:

• For classrooms and smaller spaces it is recommended to install low-consumption radiant panels, there are many models of different powers, sizes, colors and finishes. They can be installed on accessible ceilings, suspended above the ceiling, under tables or on walls:

PANEL RADIANTE U

PANEL RADIANTE G

MODELO PANEL RADIANTE K+

To calculate the panels and power required for a classroom is very simple, we simply have to look at the height from floor to ceiling

and apply the following formula:

NECESSARY POWER = 35W * ROOM VOLUME (M3)

• On the other hand, for larger spaces with high ceilings, such as patios, pavilions, gyms or gardens, radiant gas or electric stoves are usually installed.

Many educational centers have decided to incorporate these infrared heating solutions into their facilities, not only because of their advantages in generating thermal comfort for their users despite keeping the windows open, but also because of their multiple qualities: hygienic, invisible , safe, aesthetic, low installation and maintenance costs, and they are also compatible with sustainable energy.

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