Nortuflex – Specialists in Ventilation, Air Conditioning and Heating

Technical solutions for ventilation and gas evacuation systems

Founded in 1996, Nortuflex is a Portuguese company specialized in the development and manufacturing of solutions for ventilation, air conditioning and heating. Over more than two decades of experience, we have consolidated our position as a manufacturer of stainless steel flexible tubes, rigid tubes and accessories for ventilation and smoke evacuation systems.

Nortuflex products are developed to meet the technical demands of modern construction, ensuring efficiency in air circulation, safety in gas evacuation and high durability of ventilation systems.

Certified stainless steel flexible tubes for ventilation and exhaust

Nortuflex stands out for the production of stainless steel flexible tubes for ventilation, heating and smoke evacuation, designed to offer high performance and safety.

Our tubes obtained maximum classification in tests for CE marking, performed by the independent laboratory BSRIA, in compliance with European standard EN 1856-2:2009, with T600 classification.

Among the main features are:

- high thermal resistance

- safety in smoke and gas evacuation

- simplified installation

- bi-directional tubes, with no mandatory installation direction

These features make Nortuflex tubes a reliable solution for ventilation systems, chimneys, heating and gas exhaust.

Rigid tubes and ducts for ventilation systems

In addition to flexible tubes, Nortuflex manufactures rigid tubes and accessories for ventilation and gas evacuation networks, available in:

Single wall tubes

With T450 certification, suitable for various applications in ventilation systems.

Double wall tubes

With T600 certification, developed for applications that require higher thermal resistance and safety.

All products have CE marking according to European standard EN 1856-1:2009, ensuring compliance with the highest standards of quality and safety.

Customized ventilation solutions

Nortuflex is not just a manufacturer of standard materials. We work in close collaboration with installers, engineers and HVAC professionals, developing customized technical solutions for ventilation, air conditioning and heating systems.

Thanks to our advanced production technology, we have the capacity to manufacture custom-made tubes and accessories, adapted to the specific needs of each project.

Quality, innovation and trust

Located in Espinho, Nortuflex maintains a continuous commitment to material quality, technological innovation and ventilation system efficiency.

Our products are used in various contexts, from residential and commercial buildings to industrial facilities, contributing to better indoor air quality, greater energy efficiency and enhanced safety in installations.