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Near Zero Energy renovation
A new multimillion euro research project which will demonstrate how buildings can be renovated to use ‘near zero energy’ has launched at Brunel University London. Featuring 17 partners from nine European countries and funded by Horizon 2020, the €8.4m project brings together academia and industry to develop a ‘Retrofit Kit’ that can be used to reduce energy consumption by 60-95% in renovated buildings.Read more
The Retrofit Kit will bring together a number of advanced, cost efficient, and energy-saving technologies – including smart windows with pre-heating and cooling technology, ventilation heat recovery, photovoltaic panels, and nature-based technologies – which can be fitted 30% quicker than typical renovations. It’s hoped that implementation of the technologies would have a payback period of under 15 years. Four demonstration sites will be created as part of the project, including one at Brunel, which will offer practical, real-world examples of ‘Near Zero Energy Buildings’ or ‘nZEBs’ retrofit.
Airtightness blamed for health risks in homes
Throughout the past year a slew of reports has been published that raise serious questions about the safety of new-build homes. Increasingly stringent building regulations aimed at reducing carbon emissions are resulting in new houses that are ever more airtight. While this helps reduce fuel consumption, the burden is on architects to ensure that occupants of new homes can breathe clean and fresh air. Recent evidence suggests that the construction industry, designers included, is failing to meet this challenge. Read more
Paul Harrison, an independent toxicologist and member of a working group on air quality created by the Royal College of Physicians, describes serious health risks associated with poor ventilation systems. ‘Sick building syndrome describes a variety of symptoms including headaches, allergies, reduced productivity, a sore throat and dry skin,’ he says. ‘In addition, poor air quality can provoke asthma.’ Architects Journal