San Pietro is a peripheral neighbourhood overlooking the town of Genoa, North-West of Italy. It is often referred to as Lavatrici (washing machines), as a result of of the concrete slabs with empty circles that characterise the façades of its constructions.
Erected between 1980 and 1990, it is regarded as as an instance of concrete-based overbuilding and no longer deliberate with the trendy era of energy efficiency. In the long term it would neatly change into a type for eco-sustainability.
The advanced comprises 688 flats, 438 of which belong to the municipality and are used as council housing. Until not too long ago the constructions envelopes lacked just right insulation. This ended in prime energy intake and prime CO2 emissions. For the tenants, this basically supposed prime energy expenses with little praise.
“The windows did not shut well, there were draughts and rainwater infiltrations: in winter time, even with the heating on we hardly reached 16 degrees,” says Sergio Pandolfini, president of the San Pietro’s neighbourhood committee. “At the same time heating is where, until now, we spend most of our money.”
Pandolfini says that that they had been requiring interventions to unravel those issues for a very long time.
In spring 2015 Genoa municipality has began to put in force experimental interventions aiming to make stronger the energy efficiency of two council housing constructions, comprising of a complete 162 flats. The works are being carried out beneath the European undertaking R2CITIES, which objectives at designing huge scale district renovations for attaining just about 0 energy towns.
The outdated laminated metal home windows, which had no thermal insulation, had been changed with new ones in PVC body and double glass, which do make sure that a prime thermal insulation.
“We have already carried out about 60% of the work and plan to finish by 6 January 2016,” says Michele Finocchiaro, architect at the Housing Active Policies Department of Genoa Municipality, who’s following the works in conjunction with the technical body of workers of the municipality. “In winter time we will be able to assess if there is an actual improvement, but we can already see that the new windows have changed the appearance of the apartments for the better,” Pandolfini highlights.
Not simplest is the passive coverage of indoor areas being addressed, but in addition energetic energy efficiency.
“The old boiler has been substituted with a highly efficient one, while all the apartments have been equipped with internal satellites that allow users to directly manage the heat,” explains Mirco Grassi, head of the municipality’s Public Works Department and technical supervisor of the undertaking.
According to Grassi, the chance for tenants to totally make a decision the quantity of warmth they need is more likely to result in extra accountable consumer behaviour: “The hotter they would like their indoor local weather to be, the extra they’re going to eat, so they’re going to attempt to minimise the price and due to this fact the warmth intake. This will result in much less CO2 emissions and air air pollution.”
In the long term a brand new rooftop photovoltaic plant will energy the lifts and the stairway lights.
Furthermore, 4 flats will change into “on-site labs”, the place the University of Genova will measure temperature and humidity for 365 days after the works had been finished, to observe the energy financial savings accomplished.
According to Pandolfini, the advantages from this undertaking will also transcend that: “If we can have a better indoor climate and save money from heating, our quality of life and behaviour will improve, and our overall wellbeing will improve: there is much expectation in this sense.”
Genoa Municipality is making an attempt to stay an open discussion with the population via a number of projects. During an match referred to as OpenHouse, organised inside the My Smart City District initiative over the EU Sustainable Energy Week 2015, tenants had the probability to be guided via the flats the place the growth works are happening, and thru the situ experimental passive ways laboratory.
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