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The outcome of COP21 in Paris, last December,
adds to the urgency to achieve an energy efficient build environment. All
countries around the globe have the duty to reach the targets formulated in
Paris. Does this lead to more Zero Energy Buildings or Positive Energy buildings?
That depends on the way we assess the energy performance and determine the cost
effectiveness. Yes, the answer will be positive; if investors, building
developers and real-estate investors are willingly to weigh their investment to
reach ZEB or PEB level over a longer period and award the added value due to
this rating in a correct way.
The EPB-overarching standard, the EN ISO 52000-1,
offers the backbone to assess the overall energy performance of a building in a
correct way. Supporting
the decarbonizing of the building sector. This is the goal of the holistic
approach as chosen by CEN/TC371 and the ISO/TC163&205 Joint Working Group
for the Energy Performance of Buildings (EPB). An approach which reconciles
climate and energy needs. With this EN ISO 52000 EPB series of standards and
other CEN-EPB standards, the building industry is expected to be in a much
better position to be rewarded for energy efficiency improvements with the best
available technology and practice.These EPB series of standards
will enable to assess the overall energy performance of a building. This means
that any combination of technologies can be used to reach the intended energy
performance level. The competition between different technologies is best
served by this holistic approach as this is a key driver for technological
innovation and change. Countries using this approach for several years have
experienced large-scale implementation and cost savings on a variety of new
technologies. This includes innovative thermal insulation concepts, windows,
heating, cooling, lighting, ventilation and domestic hot-water, building
automation and control, and renewable energy systems. What
does this mean for our business? For new building and system design we have to
be more innovative to reach the zero energy performance level, towards the energy
positive buildings.
In this issue of the REHVA Journal the
importance of certified performance product data supporting the development of
high performance buildings is presented The next issue will focus on the EPB
standards that are expected to be published for Formal Vote around October
2016.
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