Controlled ventilation and heat recovery

The passive house standard can’t be achieved without a controlled mechanical ventilation system of the premises. It is important because when you open the windows for fresh air during the cold winter or hot summer, huge losses of energy are measured. That is the reason why during these seasons The ventilation system supplies fresh air to all rooms and takes the exhaust air from the service premises.

Principle scheme of a passive house ventilation system


Scheme: Controlled ventilation system of passive house Waterhouse, Blagoevgrad

Heat exchanger with 86% heat recovery, Plus-energy house in Kladnica

Ventilation ducts from the ventilation system of Plus-energy house, Kladnica

Ventilation ducts with silencers as part of the ventilation system of the building

Ventilation grille for supply air in the premises

Air transfer grille embedded in a door necessary for providing proper air exchange

Conducting commissioning of ventilation system

Precise adjustment of each ventilation grille’s air-exchange during the commissioning

Heat exchanger’s filters replacement

Heat exchanger’s filters replacement