Exergy efficiency analysis of a refurbished dwelling: a case study in Ljubljana, Slovenia

Figures & data

Figure 1 Air photograph of buildings located at Steletova 8.

Figure 2 Plan view of the ground floor of a model house.

Table 1 Steletova 8 building data.

Heating volume	11,815 m^3
Net heating volume	9452 m^3
Usable surface	3781 m^3
Envelope	3256 m^3
Geometry coefficient	0.28

Figure 3 Views of refurbished buildings at Steletova 8.

Table 2 Existing and refurbished construction materials

	Existing construction (W/m^2 K)	Refurbished construction (W/m^2 K)
External walls	0.57	0.24
Cellar	0.37	0.19
Ground floor	0.52	0.52
Cellar ceiling	0.43	0.43
Top floor ceiling	0.43	0.17
Windows	2.30	1.10

Figure 4 Exergy and energy flows through components.

Figure 5 Energy and exergy losses/consumption by components.

Figure 6 Energy gains and losses.

Figure 7 Exergy supply and demand.

Figure 8 Exergy and energy flows through components.

Figure 9 Exergy losses/consumption by components.

Figure 10 Energy gains and losses.

Figure 11 Exergy supply and demand.