Perso is a consultancy firm specialized in projects linked to the window and door industries. In order to show to its customers the energy efficiency savings produced by better materials and enhanced performance models, it has organized two training sessions in the Limpias Parador (Cantabria).
KeelWit Technology has developed the technical contents of both sessions and lectured to over 50 people interested in knowing the methodology to calculate the savings produced and the expected return of investment when replacing doors and windows in existing buildings.