Spiro International SA  – Leading Machine Solution Provider with Swiss Quality

Our business principle is to support the improvement of indoor air quality by providing machines and solutions used to produce economical and environmentally-friendly air duct systems.

Spiro International SA is the undisputed world leader in the development and manufacture of machines for the production of air duct systems required in the HVAC and sheet metal industry. Our identity as a Swiss quality brand stands for reliability, security and trust.

As the inventor of the spiral duct machine - the so-called Tubeformer - we have built a sound reputation in the HVAC and sheet metal industry over the last six decades. With thousands of high-quality sheet metal machines delivered across the globe, we have developed a strong relationship with our customers - worldwide.



It all started in 1952 when Erling Jensen and Leif Andresen suddenly saw the possibility of round ventilation systems.


Tubeformer 300 / 200

Four years later their invention - the SPIRO® TUBEFORMER - was a reality. So was the Spiro® company itself.

1959 - 1963

Tubeformer 401 / 403 B / 600

1969 - 1976

Tubeformer 800 / 700 / 1600

Since 1956 Spiro® has developed and produced a number of important and patented sheet metal processing machines, each devoted to a specific phase in the production process of different ducts, fittings and tubes.

1980 - 1984

Tubeformer 2002 / MR / JR / 3003 / MRX

1989 - 1998

Tubeformer JRX 1212 / JRX 1210 / JRX 1610 / 2525 / 1613 / 1602

The SPIRO® TUBEFORMER revolutionized the production of ventilation tubing, leaving the square competition back at square one.


Tubeformer 2020

2008 - 2009

Tubeformer PRO / SMART

Whichever way you decide to configure the machinery, you will get all the precision, quality and support that comes with Spiro® equipment.


Tubeformer X-20


Tubeformer 1602 modular edition

The Spiro® family of machines today comprises a number of key machines. Although they can be put together into a complete production line, each machine can be used on a stand-alone basis, depending upon the specific user needs.