Although there are small variations due to personal preferences or the activity carried out in different rooms, it may be said that the ideal environment for human beings consists of a temperature of about 20ºC and a relative humidity of 65%.
In this environment the inhabitants of a house are comfortable. Businesses and workplaces know how important it is for people to be in a comfortable climate: it increases sales and work rates. It is easy for us to remember places where we have been comfortable and would return to, and those in which we have experienced excessive cold or heat.
Energy and insulation
Weather conditions become adverse when they cause a significant variation in the above mentioned temperature and humidity values. It then becomes necessary to take shelter in any building. Nevertheless, when the harshness of winter or summer becomes more apparent, buildings need a lot of energy in order to maintain a pleasant temperature.
In order for a room to maintain a specific temperature it is important for its six sides to be built from insulating materials or poor heat conductors. In the majority of buildings insulation is insufficient, resulting in excessive energy consumption in order to reach the ideal temperature.
Building materials are the subject of research. It is about optimising the building in order to save energy. Experts maintain that there are ways of building buildings that would halve current levels of energy consumption.
Constant progress as a result of the research and rigorous tests involving fuels such as diesel oil ensure the high performance of boilers and reduce the cost of maintaining heating systems.
Heating systems
The development of different heating systems is also ruled by energy saving criteria. Generally speaking, traditional heating systems had no accurate temperature control. However, technological advances have been very important in this respect. Nowadays, the new systems offer higher levels of comfort with less consumption and better quality. This is proven by the meters which are no longer installed purely for financial reasons but also for environmental reasons.
New heating systems, from fuel boilers to heat pumps and external units which can connect internal units of different capacities and types… There are all sorts of systems which enable individual heating for each room.
The new generations of high energy-efficiency systems are very versatile. There are wall-mounted, cassette and piping systems, either in panels, in the ceiling, floor or in the form of a column. There are new systems which can independently cool down or heat several rooms at the same time. They offer a wide range of uses for homes and other environments such as offices or companies.
However, the guarantee of individual heating in every room is the composition of several internal units. Zone-based controls lead to a considerable energy saving. The different units have their own remote control, although they can be managed in a centralised fashion or even incorporated into a computerised management system.
These systems detect the incoming and outgoing temperatures of an evaporator and the difference between the room temperature and the desired temperature. As such they calculate the room temperature in order to achieve a high energy efficiency ratio (EER). The temperature of any room containing the heat transmitter can be accurately controlled, thus reducing energy costs by up to 30%.
The most advanced heat transmitters include innovative systems that can detect the presence of people. These intelligent sensors automatically save energy consumption when there is nobody in a room. If the room is empty, depending on the information provided and whether it is winter or summer, the room temperature will be lowered or increased every half hour.
The control is carried out using a digital electronic chronothermostat, which allows you to select the ideal temperature for every time of day and night. This device can make provision for different needs at all times and in all situations. Everyone can accurately control the different rooms in their house: lounge, kitchen, bathrooms, bedrooms, etc. It involves programming the systems in accordance with how each room is used at specific times of the day. The user can use preconfigured programmes or set their own.
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