Smoke Extraction Roof Fans

Smoke extraction roof fans eliminate the harmful effects created when high temperatures and humidity make work and physical effort difficult. They also help extend the life of the structural elements of buildings and warehouses by preventing condensation and humidity. An adequate ventilation system in industrial buildings will considerable reduce cooling and heating expenditure. This type of system easily, continuously and effectively eliminates heat and humidity. The Axair smoke extraction roof fans can be adapted to any type of roof. Their different models offer the perfect solution for each installation, thus optimising its operation.

CTH3 F400 Roof Fans For Smoke Extraction

CTH3 Smoke Extraction Roof FansCTH3 F400 – 400ºC/2h Centrifugal Roof Fans


• Roof cowl made of ABS
• Structure, roof base support and bird protection guard made of galvanised
• High efficiency backward curved impellers of steel.
• Standard asynchronous motor with IP-55 protection and Class F insulation.
Manufactured with standard voltages: 230V 50Hz in single phase motors,
230/400V 50Hz in three phase motors and 400V 50Hz in 2 speed motors.

Specially designed for roof installation, they are suitable for:
• Smoke extraction.
• Smoke emergency exhaust with motor outside the hazardous area.
• Air renewal in buildings and industries.
• Industrial and professional kitchen hoods.
• Maximum continuous operation temperature: 80ºC (fluide).
• Maximum ambient temperature: 50ºC

To request a quote or for more information on our Roof fans for smoke extraction, please submit an enquiry using the button to the right.

Why Do I Need Smoke Extraction Roof Fans?

A working environment with the appropriate conditions of comfort is absolutely necessary to ensure an efficient job performance. The installation of outdoor fans brings greater comfort to work zones, reducing noise and the occupation of space in industrial buildings.

It is very important for roof-mounted fans to be easy to clean, as they are very difficult to access. The maintenance of all the extraction system elements is essential and very important to achieve a high standard of cleaning and obtain the required grade of hygiene in each installation, thus preventing the possibility of handling contaminated air particles. Ease in the maintenance and installation of roof equipment leads to important cost savings, which is a factor to be considered.

For more information on our full collection of Industrial fans suitable for emergency smoke extraction and general smoke control visit our smoke extraction applications page or see our Linkedin showcase page for regular updates