Le calcul de la performance énergétique vous intéresse? Demandez à votre fournisseur de fenêtres com
Nous travaillons avec les intervenants les plus chevronnés en la matière. Notre fournisseur d'intercalaire a mis en place une procédure par laquelle la performance est calculée de façon précise. Roll Tech vous permet même de calculer votre perte énergétique en valeur U. Cette valeur est ajustée selon la température intérieure et extérieure. Le calcul est intéressant et précis. http://www.winuw.de/rolltech/ Voici un exemple: Length of glass edge lg4.48 m Glass area Ag1.24 m² F
Valeur U et Valeur R
Chacune de nos fenêtres est livrée avec un indication de sa performance énergique en valeur U. On nous demande souvent quelle est l'équivalence en valeur R. Donc voici la formule de conversion la valeur U en valeur R: Résistance thermique R: La résistance thermique R est l’inverse de la valeur U. Elle indique donc la tendance d’un élément de construction à résister au passage de la chaleur. Son unité est donc l’inverse de celle de la valeur U, soit: (m2.K)/W Plus la résistanc
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