Ventilation apparatus installed at window or door reveal of exterior wall of building e.g. low-energy house, has housing portion that is designed as module unit and is inserted into fitting space at window or door reveal

摘要

The ventilation apparatus (1) has a main surface provided with a space-side air connection portion (2) and an outer-side air connection portion (3). A housing portion (4) is designed as a module unit. The housing portion is inserted into a fitting space at a window or door reveal (110). The housing portion is provided with a covering portion. A heat exchanger is arranged within the housing portion. An independent claim is included for an exterior wall with window or door reveal.