Building Refurbishment for Energy Performance: A Global by Anna Magrini

By Anna Magrini

In Europe, the development quarter debts for forty% of strength intake which has a robust impression on greenhouse fuel emissions. The e-book bargains with effective methodologies aimed to lessen greenhouse gasoline emissions within the construction region. This contains analyses of the construction envelopes, the heating platforms, using solar power and the evaluate of the environmental and effort sustainability of the proposed options. After a quick creation to the actual basics focused on the learn, effects are offered to aid low-cost technical concepts to advertise activities for power saving, within the most crucial fields and with the main monetary advantage.

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1 Refurbishment Interventions According to each building typology, a set of envelope renewal interventions is defined in order to evaluate the improvement of the energy performance. In particular, the four insulation materials reported in Table 19 are adopted, considering three different thicknesses (4–8–12 cm). 2 Fig. 11 Results for 12 and 17 walls (Hamburg). WF = wooden fibreboard. MW = mineral wool. PS = Polystyrene. PU = Polyurethane In Table 20, the comparison of the improvement percentage in terms of envelope energy performance is presented, according to the kind of insulation and its thickness L, the climatic conditions, and the wall type that is investigated.

B 02 BM— masonry face brick. c 03 BM—cellular brick masonry. d 04 SM—stone masonry. e 05 SM—tuff stone masonry. f 06 SM—stone masonry with air layer. g 06 SM—stone masonry with air layer— cavity insulation. h 07 SM—stone masonry with insulated layer. i 08 CM—brick and stone masonry. j 09 CM—masonry with air layer. k 10 CM—hollow concrete block masonry (1). l 11 CM—hollow concrete block masonry (2). m 11 CM—hollow concrete block masonry (2)— cavity insulation. n 12 HB—hollow brick masonry (1). o 12 HB—hollow brick masonry (1)— cavity insulation.

7 continued 43 44 Fig. 7 continued A. Magrini et al. Opaque Building Envelope Fig. 7 continued 45 46 A. Magrini et al. Fig. 7 continued k [W/(m K)] of the chosen materials, in agreement with the indications described in Sect. 5 (Table 12). 1 Existing Walls Condensation occurs in the following existing structures: • Wall 06, in the climatic conditions of Milan and Hamburg (\2 g/m2). • Wall 07, in the climatic conditions of Milan, Paris, Brussels (\3 g/m2) and Hamburg (\6 g/m2). • Wall 11 and 18, in the climatic conditions of Milan (\110 and \350 g/m2, respectively), Hamburg (\200 and \2,000 g/m2), Paris and Brussels (\35 and \720 g/m2).

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