Le Monde – September 2015
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- Le Monde – September 2015
According to the 09/22/2015 newspaper “Le Monde”, automatic ventilation such as Aereco’s system is the most profitable investment in energy renovation.Indeed, the article indicates that the automatic ventilation has a return on investment on only two years, 10 times faster than the windows replacement or 15 times faster than external insulation.
Ventilation is the most profitable investment in renovation, far ahead of insulation or windows
| Renewal projects | Financial cost | Energy saving | Money saved for the co-ownership per year | Return on investment (years) | |
| For the co-ownership | Per dwelling | ||||
| BBC label* windows installation | 71 050 € | 4 883 € ** | 4.10 % | 3 291 € | 21.6 |
| Automation of the ventilation in wet rooms | 25 400 € | 262 € | 18.14 % | 14 567 € | 1.7 |
| Automation of the ventilation by air inlets (shutters boxes) | 35 100 € | 362 € | 19.83 % | 15 928 € | 2.2 |
| External insulation (rockwool) | 431 060 € | 4 444 € | 17.81 % | 14 302 € | 30.1 |
| Terrace and cellar insulation | 110 570 € | 1 140 € | 2.78 % | 2 236 € | 49.5 |
| Installation of two condensing boilers | 127 500 € | 1 314 € | 18.11 % | 14 547 € | 8.8 |
* Low-energy consumption building
** Half of the buildings were already equipped
Sources : ENEOS IDF, OPQIBI, “MONDE ARGENT ET PLACEMENTS”
Reference of the article = Le Monde, 09/22/2015.
Jérôme Porier
© 2015 SA Le Monde. All rights reserved.
Document number : news·20150922·LM·4248618
