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Press articles - 10/27/2015

Ventilation, the most profitable investment in renovation

“Le Monde”: Ventilation is the most profitable investment in renovation, far ahead of insulation or windows

 

According to “Le Monde”, automatic ventilation such as Aereco’s system is the most profitable investment in energy renovation, with a return on investment of only two years, 10 times faster than the windows replacement  or 15 times faster than external insulation.

 

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.

Read the article (in French).