“Electricity bills divided by 10” thanks to the passive houses of this Manche architect

The eco-responsible architect Cloé Simon set up her Fyri workshop in Hauteville-sur-Mer (Manche) in 2024. Special feature: the state-certified professional specializes in passive houses et biosourced.

It’s surprising, most people don’t know that this is possible. I wanted to bring this know-how back to the Channel. Before I worked in Brittany for communities and individuals, a region already well involved in liabilities, more than Normandy. Many people have catastrophic preconceptions about passive houses.

The opportunity to unravel the TRUE of faux on these renovation and construction methods.

The house is damp

FAUX

“It’s a preconception that I hear a lot: passive houses are not waterproof and do not breathe. This is false. A passive house is very breathableshe has a adapted hydrometric ratewith a much greater thermal comfort than a normal house. It’s incredible, in every cm3 of the building, the temperature East homogeneous. It’s very pleasant, you have to enter a passive house to realize it. The main principles of the passive house are: good insulatora waterproofing membrane in the air, a ventilation double flux and one triple glazed carpentry. Thus, internal and solar contributions are sufficient to obtain un good thermal comfort. »

With a passive house, no need for heating

TRUE and FALSE

« Presque ! Only an extra, as a wood stovefor the coldest days of winter, is enough. »

The savings are real

TRUE

“Without the need for heating, the electricity bill decreases significantly. It obviously depends on the starting point, if the house is classified G or F, the electricity bill can be divided by 10 or 15. Otherwise, for others, it is a little less. People realize up to 70% savings. »

Construction costs more

TRUE

“Overall, the passive will cost on average 10% more for construction. This additional cost is amortized in the short and long term by reduced electricity consumption. On average, count €2,500 per m² excluding VAT. Passive renovation can be a stage, which can be financially interesting. Often, owners combine passive with the use of clean materials. This is the best but it is not obligatory. »

We can’t open the windows

FAUX

“Some people think that we can’t open the windows, because the euros will fly away and the cold will enter the house. This is obviously false. »

The houses are less beautiful

FAUX

“No, there is no not just passive houses in cubes! We can do anything as long as the house is not completely oriented North. »

For more information: atelierfyri.fr.

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