10 common misconceptions about energy renovation

There are many negative and false preconceptions about the ecological and economic benefits of renovation measures. Here are 10 of the most common misconceptions about renovations along with an analysis of how truthful they actually are.

10 common misconceptions about energy renovation
Prejudice 1: too much insulation does not promote a healthy indoor climate and causes mould
Prejudice 2: overly airtight windows prevent air from being renewed and increase the risk of mould formation
Prejudice 3: replacing windows with triple glazing leads to mould formation
Prejudice 4: energy renovations are expensive and not profitable
Prejudice 5: the production of insulating materials consumes more energy than is subsequently saved
Prejudice No. 6: thermal insulation increases fire risks
Prejudice No. 7: old homes are sufficiently insulated
Prejudice No. 8: too much thermal insulation is harmful
Prejudice No. 9: algae grow on insulated facades
Prejudice No. 10: dense walls can no longer breathe