Page 34 - European Energy Innovation - Spring 2015 publication
P. 34
Spring 2015 European Energy Innovation


Innovative HVAC system solutions
towards nearly zero energy buildings

Highly efficient systems mould, overheating of buildings. sources are pushing the market
for heating, cooling, Such issues burden energy from the problem of conversion
ventilation and air- retrofit of buildings. REHVA’s towards innovative energy
conditioning (HVAC) mission is to promote holistic storage technologies.
play a key role in the design of solutions for energy efficient,
nearly zero energy buildings healthy and smart buildings. I JAREK KURNISTKI, ESTONIA
(nZEB). Technology developments am confident that the obstacles REHVA Vice-President
of the last decade resulted will be overcome, thanks also
in a new generation of HVAC to the 100.000 experts in our What is the biggest challenge
products, integrated solutions membership. to reach the EU 2020 energy
complying with EU regulations and climate targets?
and standards. However the What are the most important
challenge is not only technical. actions taken in your country The energy efficiency goal is
nZEB-s require a holistic approach of origin towards nearly Zero a challenge. The EU does not
at each level: integrated building Energy Buildings? seem to have enough capacity
design, interactive systems for to renovate as many buildings
smart districts, tackling societal The definition of nearly zero as needed to achieve this target.
and economical challenges. In the energy in the Directive (2010/31 However, many Member States
following interview REHVA Board EC, EPBD) gives large freedom have implemented schemes
Members give their opinion on of interpretation at Member State boosting renovation volumes
the nZEB market in the context of level. The Czech Republic has and deep integrated renovations,
the EU 2020 targets. settled its nZEB definition in the which are the only way to tackle
Implementing Regulations to indoor climate and energy
KAREL KABELE, CZECH the Act on energy management, performance improvements at the
REPUBLIC defining numerical requirements same time.
REHVA President for thermal insulation of the
envelope and for non-renewable What is the most important
What is the biggest challenge primary energy. The regulation action taken in your country
to reach the EU 2020 energy is currently being tested to verify towards nearly Zero Energy
and climate targets? whether it entails the expected Buildings?
reduction in energy consumption.
In most EU countries legislation The national nZEB application in
in improving building energy Which are the most promising Estonia is well done. However the
performance is in force. Still HVAC system technologies to regulatory framework in many EU
it’s a question how the market, boost buildings energy efficiency? countries needs to be improved
especially investors and users, to enable the implementation of
whose behaviour largely affects I am expecting a boost period nZEB. Energy calculation methods
energy use, will respond to this in the market of HVAC systems and tools are a challenge.
pressure. Implementing energy used in buildings. Recent heating National authorities have to
efficiency measures in buildings and energy systems must be understand that nZEB legislation
raise new problems, especially dynamic, with minimal or zero is not just setting a couple of
regarding indoor environmental power consumption in stand-by new numeric requirements, but
quality and its potential condition, to be supported by the a major upgrade of the whole
consequences, e.g. CO poisoning building envelope. At the same energy calculation and regulatory
in sealed homes with gas time the policy requirements on system. The guidance of the EC
appliances, formation of harmful exploitation of renewable energy is crucial here, like the upcoming
   29   30   31   32   33   34   35   36   37   38   39