In recent years the demands of the occupant for living and working comfort has been constantly rising. Among other things these demands contain the thermal comfort and the creation of loud environment shielded living- and working areas. Furthermore the market for energy efficient and ecologically friendly low energy and passive systems is rising.

The assurance of these demands is calling for an aimed and all-embracing building physical planning already at an early concept phase. This is achieved by the collaboration of all project involved planners and acclamation of the individual needs of the house builder.