Flexiva logo
Making Your Business Idea
Leading Our Industry

Learn more about Flexiva, which stands out with its achievements, company culture, products and technology leadership.


ISIL Engineering is established in Istanbul.


ISIL Engineering has started exporting.


Environment friendly VENTUS product is developed with Tubitak.


Flexiva has become the 40th fastest growing company in Turkey, according to All World Arabia 500+ Turkey.


With VENTUS, which is the one and only self-isolated flexible air duct, Flexiva has won the Environmentalist Project award in Metallic Ideas 1st R&D Project Market.


Flexiva has become the 24th fastest growing company in Turkey, according to All World Arabia 500+ Turkey.


VENTUS' mass production has begun with coordinated efforts with KOSGEB.


In order to continue our R&D efforts, Flexiva opened its office in Teknopark.


Flexiva's sales network has reached 50 countries.


2 patented products have been added to Flexiva's range of products.

Who We Are?

Flexiva is a brand dominated by ISIL Engineering Inc., which started its activities as a manufacturer of flexible air ducts in 1998, both domestically and abroad.
Flexiva Flexible Air Ducts are produced at Istanbul-Pendik facility with a closed area of 12.000 m2. Flexiva, which has a wide market share in the country, is exported to 50 countries.


To meet the demand for high quality, long-lasting, healthy and environmentally friendly flexible air ducts in the HVAC markets in Turkey and all over the world, with "fast service and optimum cost", thanks to emphasizing on R&D and innovation, and the highly efficient production facilities we have.


To be the leading company in the global HVAC market by being both the follower and pioneer of technology in the production and marketing of flexible air ducts and by constantly analyzing the needs of the market.

R&D and Innovation

The entire Flexiva product line and its production technology have been developed with its strong R&D department. This development continues with new technological investments, within the framework of ISIL Inc.'s understanding of 'Sustainable Development'. This approach provides Flexiva with the position of 'the market's leading innovation-oriented brand'.
Making Your Business Idea
As Flexiva, we are in pursuit
of proper and innovative solutions
in 50 countries.

Quality Policy

To create a strong coordination for the needs of our customers through high quality.
Müşteri memnuniyeti
Customer Satisfaction
To constantly increase our customer satisfaction by supplying them high quality products consistently.
To create an educational environment for all of our employees in order to sustain our standards and carry our business forward with 'continous development' principle.
Sürekli gelişim
Continous Development
To adapt ourselves to new products and technologies while satisfying the global quality management system needs.

Get In Touch

Flexiva products are produced and certified in accordance with the TS EN 13180 standard within the framework of the TS EN ISO 9001 Quality Management System. The quality of Flexiva products is guaranteed by the execution of all necessary tests in the Test Laboratory located in the production facility. Flexiva product family, is developed by Turkey's strongest R&D in its field; considering criteria such as quality, durability, competitive price, sensitivity to the environment and human health, ease of application, and fast delivery. As proof of this process, it has products with international patents and creative innovations. As proof of this process, it has products with international patents and creative innovations.