Internorm windows and doors, with a high level of thermal insulation, can supply more energy than they lose provided they are planned and installed properly.

They therefore have a special role in optimal building planning with regard to energy for passive houses. With a high degree of thermal insulation and thanks to the passive use of solar irradiation through the windows and the heat emitted to the interior by residents and technical devices, passive houses do not normally require any significant heating system.

Internorm have the products and expertise to assist in planning for your energy efficient development. They work closely with your design team and can provide all the necessary technical information to assist you in planning for a successful project.