## 4 Methodological Approach
### The Database to Train the Networks
\begin{table}
\begin{tabular}{c c c c c c} \hline \hline \multicolumn{1}{c}{**Code**} & \multicolumn{1}{c}{**Description**} & **Unit** & **Range of Values** & **Notes** \\ \hline \multirow{8}{*}{Constructions} & EWTh2 & External wall construction: thickness & \multirow{2}{*}{m} & Minimum value: 0.00 & \multirow{8}{*}{} \\  & & of the insulation layer & & Maximum value: 0.20 & \\  & EWTh3 & External wall construction: thickness & \multirow{2}{*}{m} & Minimum value: 0.20 & \multirow{8}{*}{} \\  & & of the masonry or concrete layer & & Maximum value: 0.40 & \\  & & External wall construction: thermal & & Minimum value: 0.60 & \\  & EWTC3 & conductivity of the masonry or concrete layer & & Maximum value: 1.80 & For further \\  & & & & & details, please \\  & & & concrete layer & & see Table 2. \\  & & & & & \\ \multirow{4}{*}{Constructions} & RTh2 & \multirow{2}{*}{Roof construction: thickness of the insulation layer} & \multirow{2}{*}{m} & Minimum value: 0.00 & \multirow{4}{*}{} \\  & & Floor construction: thickness of the insulation layer & & Maximum value: 0.20 & \\  & & & & & Maximum value: 0.20 & \\  & & & & & \\ \multirow{4}{*}{Constructions} & G & Glazing type & String & G1, G2, G2 Le, G3 Le & For further \\  & & & & & details, please \\  & & & & & see Table 3. \\  & & & Average infiltration flow rate & \multirow{2}{*}{ach} & Minimum value: 0.01 & \multirow{4}{*}{} \\  & & intensity & Maximum value: 1.00 & \\ \hline \multirow{8}{*}{Occupancy-Related Data} & PD & People density & \(\rm{n_{p}/m^{2}}\) & Minimum value: 0.02 & \multirow{8}{*}{} \\  & LD & Density of electric consumption due & \multirow{2}{*}{W/m^{2}} & Minimum value: 0 & \\  & & to lights & Maximum value: 6 & For further \\  & ED & Density of electric consumption due & \multirow{2}{*}{W/m^{2}} & Minimum value: 0 & details, please \\  & & to electric equipment & & Maximum value: 20 & see Table 5. \\  & DHWI & Domestic hot water intensity & \multirow{2}{*}{W/p} & Maximum value: 0 & \\  & & Average ventilation flow rate & \multirow{2}{*}{m\({}^{3}/\)(s-p)} & Minimum value: 0.001 & \multirow{4}{*}{} \\  & & intensity & & Maximum value: 0.010 & \\ \hline \hline \end{tabular}
\end{table} 
Table 2: Opaque constructions. \begin{table}
\begin{tabular}{c c c c c c c c} \hline \hline \multirow{2}{*}{**Construction**} & **Layer** & **Thickness** & \multirow{2}{*}{**Thermal Conductivity (\(\mathbf{k}\)/m\(\mathbf{K}\))**} & **Density** & **Specific Heat** & **Thermal Resistance (\(\mathbf{m}^{2}\): \(\mathbf{K}\)/\(\mathbf{W}\))** & **Total Thermal Thermal Conductance (\(\mathbf{m}^{2}\): \(\mathbf{K}\)/\(\mathbf{W}\))** \\ \hline \multirow{4}{*}{External wall} & 01 (Ext) & 0.015 & 0.55 & 1500 & 900 & 0.027 & \\  & 02 & 0.000–0.200 & 0.034 & 45 & 900 & 0.000–5.882 & \\  & 03 & 0.200–0.400 & 0.600–1.800 & 1500 & 900 & 0.111–0.667 & 0.15–6.04 \\  & 04 (Int) & 0.015 & 0.55 & 1500 & 900 & 0.027 & \\ \hline \multirow{4}{*}{Roof} & 01 (Ext) & 0.02 & 0.4 & 700 & 2500 & 0.050 & \\  & 02 & 0.000–0.200 & 0.034 & 45 & 900 & 0.000–5.882 & \\ \multirow{2}{*}{Roof} & 03 & - & - & - & 0.16 & 0.15–1.28 \\  & 04 & 0.3 & 0.55 & 1500 & 900 & 0.545 & \\  & 05 (Int) & 0.015 & 0.55 & 1500 & 900 & 0.027 & \\ \hline \multirow{4}{*}{Floor} & 01 (Ext) & 0.3 & 1.6 & 1800 & 900 & 0.188 & \\  & 02 & 0.000–0.200 & 0.034 & 100 & 900 & 0.000–5.882 & \\ \multirow{2}{*}{Floor} & 03 & 0.1 & 1.6 & 1800 & 900 & 0.063 & \\  & 04 (Int) & 0.02 & 1.8 & 1800 & 900 & 0.011 & \\ \hline \hline \end{tabular}
\end{table} 
Table 3: Window constructions.