Renovation
The fire department of Berkovitsa / © Google Street View In 2019, the city of Berkovitsa in Bulgaria initiated an ambitious project to renovate severa
Summer Theater Complex. © In 2020, 91% of non-refurbished buildings in Bulgaria had a poor energy performance (class E, F and G). To promote the impro
Passive Houses in St. Bircin’s Park © Dublin City Architects Blog The Dublin City Council’s Bedsit Amalgamation Programme consists of the renovation a
Unused warehouse building. © Alzira Ràdio Alzira Municipality is part of the Consorci de la Ribera, a consortium of 47 small local governments located
Istituto Tecnico Agrario in Sant’Anatolia di Narco The Agricultural Technical School in Sant’Anatolia di Narco, a small village nestled in the Umbria
Vila D’Este district, featuring both renovated and non-renovated buildings / © Gaiurb Located in the Porto metropolitan area, the Municipality of Vila
Annual demand for final energy for heating and ventilation: 29 kWh/m2/a
CO2 emissions: 5.35 kg CO2 m2/a
Coverage of annual electricity demand by onsite renewable energy generation: 36%
Building part / Posejdon / National requirements for nZEB binding from 01/01/2021
External walls / 0.184 / 0.200
Roof / 0.144 / 0.150
Floor on the ground / 0.297 / 0.300
Windows / 0.900 / 0.900
Total annual energy consumption – 108,51 MWh/a or 34,2 kWh/m2/a
Primary energy consumption – 102,5 kWh/m2/a or 101,8 kWh/m2/a
Building air tightness – n=0,50 h-1
CO2 emissions – 70,4 tco2/a
Renewable share of energy – 49% of the energy needs for Heating, Cooling, Ventilation, DHW and Lighting; equating to 100,3 MWh per year
World’s first energy-plus office tower, Austria’s largest building-integrated photovoltaic system © Schöberl & Pöll GmbH __ The Vienna University