Onda S.p.A. establishes itself on the Italian and global markets as a lead manufacturer of various types of heat exchangers.

About us

The main industrial segments are the HVAC/R ones, where Onda is one of the market leaders, thanks to its high know-how, and where Onda S.p.A. is supplier of the major OEMs.

Today, thanks to its elevated know-how, and using its experience of more than 20 years, Onda S.p.A. can look and operate in new and different markets and industrial segments.

Onda has four production plants, two located in Mussolente, one in Lonigo and one in USA (Delaware, OH). In the Lonigo plant approximately 9,000 square meters are used for the manufacturing of shell and tube heat exchangers and air heat exchangers. The plants in Mussolente are dedicated to the production of brazed plate and plate and frame heat exchangers and to the manufacture of large industrial vessels as well as mechanical machining. Totally the manufacturing plants includes an area of approximately 23,000 square meters.

Onda S.p.A. has a modern and efficient laboratory, equipped for the execution of accurate thermal tests, and can claim important collaborations with research societies, professionists and universities.

Onda heat exchangers are designed and manufactured in accordance with the main international directives for pressure vessels, like PED, ASME, TEMA et al. On request, Onda can provide its products qualified by the main international societies for naval classification (RINA, DNV-GL, ABS, BVM, LRS, etc.)

The professionality and detailed knowledge of pressure vessels rules allow Onda S.p.A. to receive any request of compliance with international standards, and to supply special and customized products.

Onda plants are all certified according to EN ISO 9001:2015.


The mission of Onda S.p.A. is to provide products and services with an elevated quality standard, at a very competitive price level. The company is continuously acting in order to satisfy the requirements of suppliers, customers and employees.

  • Onda S.p.A. is leader for thermal exchange solutions.
  • Continuous improvement and flexibility are guaranteed to offer to our customers a wide and efficient range of products.
  • Onda S.p.A. can provide customized solutions for any specific request of its customers.

Quality and Certifications

Onda S.p.A. is certified according to ISO 9001 since 1996, and can claim the following homologations:

  • Direttiva Europea PED per i prodotti con marchi CE
  • H and H1 modules for design and production of pressure vessels and heat exchangers
  • EAC declaration for Russian federation of all products

And approval manufacturer by:

  • Asme VIII, Div. 1 - U e UM Stamp
  • Bureau Veritas Marine
  • DNV-GL
  • Lloyd’s Register
  • ABS
  • RMRF
  • RMRS
  • RINA
  • CRN (Canada)
  • AS1210 (Australia)

Information request