THE ENERGY FUTURE OF EXISTING BUILDINGS IN BRUSSELS: BETWEEN PRESERVATION AND PERFORMANCE
IBISSENSTRAAT 5: RETURN ON INVESTMENT TIME - SCENARIO I
Priority in relation to the return on investment time Improvements | ||
Priority | Sloped roof | ROI (years) |
1 | Sloped roof | 3 |
2 | Front façade dormer | 3 |
3 | Airtightness | 13 |
4 | Board above cellar | 15 |
5 | Wood, single glazing | Version A: 38 Version B: 42 |
6 | Back door | Version A: 39 Version B: 45 |
7 | Front door | Version A: 46 Version B: 51 |
8 | Façades | 91 |
9 | Heating | 0 |
IBISSENSTRAAT 5: TERUGVERDIENTIJD - SCENARIO II
Priority in relation to the return on investment time Improvements | ||
Priority | Sloped roof | ROI (years) |
1 | Heating | 5 |
2 | Board above cellar | 6 |
3 | Front façade dormer | 6 |
4 | Airtightness | 7 |
5 | Attic roofing | 8 |
6 | Sloped roof | 18 |
7 | Veranda façades | 20 |
8 | Wood, single glazing | Version A: 36 Version B: 39 |
9 | Back door | Version A: 39 Version B: 48 |
10 | Façades | 60 |
KRUISBOOGLAAN 34: RETURN ON INVESTMENT TIME - SCENARIO I
Priority in relation to the return on investment time Improvements | ||
Priority | Sloped roof | ROI (years) |
1 | Heating | 5 |
2 | Board above cellar | 6 |
3 | Front façade dormer | 6 |
4 | Airtightness | 7 |
5 | Attic roofing | 8 |
6 | Sloped roof | 18 |
7 | Veranda façades | 20 |
8 | Wood 100SV | Version A: 36 Version B: 39 |
9 | Back door | Version A: 39 Version B: 48 |
10 | Façades | 60 |
KRUISBOOGLAAN 34: RETURN ON INVESTMENT TIME - SCENARIO II
Priority in relation to the return on investment time Improvements | ||
Priority | Sloped roof | ROI (years) |
1 | Lighting | 6 |
2 | Heating | 13 |
3 | Front façade dormer | 17 |
4 | Board above cellar | 18 |
5 | Airtightness | 20 |
6 | Attic roofing | 21 |
7 | Veranda roofing | 28 |
8 | Sloped roof | 50 |
9 | Veranda façades | 56 |
10 | Wood 100SV | Version A: 100 Version B: 106 |
11 | Back door | Version A: 108 Version B: 133 |
12 | Façades | 166 |
53