Domestic fans 
Industrial and commercial fans 
Single-room ventilation systems with heat recovery 
Air handling units 
Air heating systems 
Smoke extraction and ventilation 
Accessories for ventilating systems 
Electrical accessories 
Ventilation ducts and fittings 
Air distribution components 
Ventilation kits and vents 
GTO-K series supply main shaft with filter
Designed for air intake and filtration before air supply to the geothermal heat exchanger.
GTO-OK series condensate collecting and draining unit
One of the required components of the geothermal ventilation unit.
GTO-OK DUO series condensate collecting and draining unit
The essential components of the geothermal ventilation unit.
GTO-A-DUO junction box
Designed for connection of the internal air ducts to the geothermal heat exchanger.
GTO-K DUO series supply main shaft with filter
Designed for air intake and filtration before supplying to the geothermal heat exchanger and exhaust air removal.
