infrastructures and urban facilities as well as the housing stock. The area was developed the 1940 and 1950s,


The average


investment for renovating a


building of 10 dwellings is €300.000


specifically to provide affordable housing for the nearby car factory, Barreiros. The apartments were rented to the factory employees and later sold to them during the 1980s. The owners are, therefore, in general retired people with medium to low incomes. The construction of the housing in the area is of bad


quality and is poorly maintained. The funding available for deep retrofitting could


reach 75 per cent of total budget, with a maximum allowance of €21.000 per dwelling. The average investment for renovating a building of 10 dwellings is €300.000 and this includes structural reinforcement, replacement of general services to the building, as well as envelope energy efficiency upgrading through better insulation and windows, for example. Up to this time, 50 per cent of the total funding has been provided by Madrid City council, 25 per cent by the Madrid Region authority and the remaining 25 per cent by the estate itself. With an office on site since 2006, EMVS has played


a key role in the programme to regenerate the area by conducting reports for every building, allocating and managing the funding, following up with the retrofitting process for each building and providing


iNSPiRe Madrid site under construction


social and technical support. In 2013, EMVS selected a block to be a


demonstration building for the iNSPiRe FP7 project, selecting a dwelling in Ciudad de Los Angeles with five floors, 10 apartments, no lift and no insulation. The building was in poor condition and had been badly preserved. As such, it had already started the common process for deep retrofitting – with urban planning in place and funding already allocated to the owners. After nearly a year of discussions, EMVS reached an agreement with the owners to include participation in the iNSPiRe project as a demo building as part of this overall renovation process. The agreement was that they would get the iNSPiRe energy retrofitting kits and packages for free, and in doing so they agreed to collaborate in the project and allow reporting of the implementation process and the results. Following the consultation with residents,


it was


agreed that a centralized heating/cooling iNSPiRe package would replace the individual systems they had in place. This package consists of solar thermal panels, a heat pump and radiant ceiling panels for the distribution of heat in each room and dwelling. The panels also incorporate innovative LED lighting. The objective in implementing this energy retrofitting package as well as adding 8cm of new rockwool ETICS insulation was to achieve an 80 per cent reduction of energy demand, and so lower the cost of energy for each resident. The improvements were to be added to on-going retrofitting strategies already planned by the owners before the iNSPiRE agreement. These improvements included roof and ground floor insulation, as well as an addition of external windows to the existing windows. Importantly, throughout the process of renovation


with the iNSPiRe solutions, from 2013 to completion in 2015, EMVS ensure that the building owners were involved at every stage, with a series of meetings to understand their wishes and gather feedback on what was being proposed for their homes. It is fair to say, that this has been quite tough in many cases but it was a valuable exercise, finally resulting in very helpful input for the development of the products by the project partners. One of their main concerns, for example, was the ease of maintenance for all the kits being implemented and this resulted in significant improvements being made to the design of the lighting for the radiant ceiling panels. Owners were very keen to have lamps that were easy to remove and replace with affordable units, which was not the case when the panels were first proposed. Another main concern for


residents has been


aesthetics. The owners did not care at all about performance but very much about the final look of the radiant ceiling panels. This was probably the toughest issue to deal with. Despite the benefits, they did not want to change the appearance of their lounges and bedrooms with the radiant panel and there was a great deal of discussion about what they would and wouldn’t have in their homes.


www.projectsmagazine.eu.com 21


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