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Energy Use in Buildings: "Use it better, use it less"

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Subido el 16 de julio de 2007 por EducaMadrid

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On average, we spend 90% of our time inside buildings in Europe. The energy that we consume there accounts for 40% of total European Union consumption. That’s more than the share of industry and transport. But many buildings perform poorly in energy terms. That’s why a new European directive will come into force in January 2006. It will increase the requirements regarding energy performance in residential and office buildings in the whole of the European Union The report was filmed in Belgium, Portugal, the Czech Republic and Austria. It illustrates the main points of the Directive regarding the energy performance of buildings and includes interviews with the following: Andris Piebalgs, European Commissioner for Energy Gerhard Dell, Director of "O.Ö Energiesparverband", Upper Austria Josef Hofer and Angela Hofer, owners Dana Kadelova, tenant (Czech Republic) Eduardo Maldonado, Energy Adviser (Portugal) Alain Sagne, Secretary-General of the Architects’ Council of Europe Catarina Freitas, Director of Planning Department, Almada Environment House (Portugal)

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Most of us know how much fuel our car uses over 100 kilometres. But what about at home 00:00:00
or in the office? Who has a clue how much energy they use per year or per square metre? 00:00:21
Or how much oil, gas or electricity? Practically no one. And we'd probably be surprised to 00:00:28
find out. Take a look at this waste detector. Filming a house with an infrared camera allows 00:00:35
us to see directly the heat lost from the building. The areas of greatest heat loss 00:00:43
show up in red. On this basis, just imagine the amount of energy lost in an entire town 00:00:49
or a country. And here we're only looking at heat loss. It's the same story when it 00:00:58
comes to waste from lights, hot water production and air conditioning. The energy performance 00:01:07
of many of our buildings is poor. Yet in Europe we spend on average 90% of our time inside 00:01:18
buildings. The energy we use indoors accounts for 40% of the entire European Union consumption. 00:01:24
That's more than for industry or transport. However, technological progress coupled with 00:01:33
relatively simple measures could bring about energy savings of up to 20% across the European 00:01:39
Union. Even more in the new member states, while at the same time making buildings more 00:01:45
comfortable. Which is why a new European directive applies from January 2006. It tightens 00:01:51
up rules on energy performance in both living and workplaces throughout the European Union 00:01:59
and encourages all countries to meet the same equally high standards. For the European Energy 00:02:04
Commissioner, the stakes are high. This directive is extremely ambitious in scope because we 00:02:11
face a lot of challenges. Climate change, we should also see a situation with security 00:02:18
of supply. There is less conventional sources of energy. And building directive aim is to 00:02:24
decrease energy consumption and to make energy consumption, I could say, more intelligent, 00:02:30
more clever. 40% of the energy we are using for buildings. And the biggest saving potential 00:02:38
is there. Buildings using less energy will help to meet the requirements of the Kyoto 00:02:44
Protocol and reduce energy bills, not just for the European Union, but also for tenants 00:02:51
and owners. So what's got to change and for whom? Firstly, every country must define a 00:02:57
means of calculating energy performance in its buildings within a common EU framework. 00:03:08
To be able to compare buildings, the means of calculating must be the same on a national 00:03:14
level as a regional level. And it must take into account all the factors which influence 00:03:18
energy consumption. In the upper Austria region, this method has been used for many years. 00:03:23
This is the Regional Energy Advice Centre in Linz. Several hundred people come here 00:03:33
every year to ask for advice on ways to reduce their fuel bills. 00:03:40
The experts at the centre don't claim to be miracle workers. Usually, they are just 00:04:10
In addition to the measures, usually the addition of a series of relatively simple measures 00:04:40
can improve the energy performance of a building. Things such as wall insulation, using extra 00:04:43
insulating window frames, and increasing the area of south-facing windows. All these factors 00:04:51
are integrated into the calculation of the overall energy performance of a building. 00:04:58
Where it's technically and financially possible, use of renewable energy is suggested. When 00:05:03
a brand new building is involved, the results can be spectacular. For example, a study was 00:05:09
carried out on this house to work out how to get the maximum from the sunshine. 00:05:14
On the advice of the Energy Agency, the house was built facing south and equipped with the 00:05:33
most up-to-date energy-saving techniques. In the end, the only means of heating in the 00:05:50
house is this small stove, which uses wood pellets, another renewable energy source. 00:05:56
Of course, not all homes can reach this sort of performance level, but the new directive 00:06:17
will oblige every country to establish minimum standards of energy efficiency. 00:06:21
Some standards will apply to new constructions, others to large-scale renovations of more 00:06:32
than 1,000 square metres. In the case of renovations, technological and economic feasibility will 00:06:36
be taken into account in bringing them fully up to standard. But there are few buildings 00:06:42
without a solution. Dana Karalova has certainly seen that for herself. For over 20 years, 00:06:47
she's lived in an old Soviet-era apartment building in the suburbs of České Budějovice 00:06:55
in the Czech Republic, a building constructed with no insulation at all and no system for 00:07:00
regulating the heating. 00:07:05
Energy used to be subsidised in the Czech Republic. Nowadays, the price has increased 00:07:36
five-fold. So along with the other tenants, Mrs. Karalova campaigned for the building 00:07:42
to be renovated. The façade has been completely insulated, the windows double-glazed and all 00:07:46
the radiators fitted with thermostats. 00:07:52
We're now going to Lisbon in Portugal. Here, the national plan to be outlined under 00:08:06
the European Directive is likely to deal with a growing phenomenon throughout the whole 00:08:11
of southern Europe, the uncontrolled growth in air conditioning systems. 00:08:15
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Idioma/s:
en
Niveles educativos:
▼ Mostrar / ocultar niveles
      • Nivel Intermedio
Autor/es:
The European Union
Subido por:
EducaMadrid
Licencia:
Reconocimiento - No comercial - Sin obra derivada
Visualizaciones:
948
Fecha:
16 de julio de 2007 - 10:22
Visibilidad:
Público
Enlace Relacionado:
European Commission
Duración:
08′ 31″
Relación de aspecto:
4:3 Hasta 2009 fue el estándar utilizado en la televisión PAL; muchas pantallas de ordenador y televisores usan este estándar, erróneamente llamado cuadrado, cuando en la realidad es rectangular o wide.
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448x336 píxeles
Tamaño:
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