VIAR PRO — Heat recovery ventilation system
Provides fresh, purified air at a comfortable temperature all year round.
Outdoor air is drawn in from outside and passes through the heat exchanger. The cold outdoor airflow is preheated using the heat recovered from the exhaust air. During winter, this lowers heating expenses, while in summer it eliminates the risk of draughts. The heat recovery unit uses G3 class filters. Operation is managed through a touchscreen display, a remote control, or the VENTIO app. The current operating mode is indicated by a colored LED light.
5 operating modes:
- Continuous supply — uninterrupted supply of fresh air.
- Continuous exhaust — continuous removal of exhaust air.
- Cyclic recovery — alternating supply and exhaust (interval of 60, 70 or 90 seconds).
- SMART mode — automatically switches between supply and exhaust when the temperature difference reaches 3 °C.
- Night mode — quiet operation at minimum speed.
In all modes except Night mode, three fan speeds are available.
Automatic functions:
- Humidity control — when humidity exceeds 70 %, the unit automatically activates exhaust mode.
- Anti-icing protection — when the outdoor sensor registers a temperature below 0 °C for more than 60 seconds, a 90‑second exhaust cycle is activated to protect the heat exchanger from ice build‑up.
- Passive ventilation — when the motor is at zero speed, the shutters remain open to allow natural air movement. When switched off, the louvres fully block the duct.
Ingress protection rating of the housing: IPX2
Warranty period: 2 years