AC Boilers formerly Ansaldo Caldaie

  • Rehabilitation, upgrading and retrofit of existing boilers.
  • Reduction of emissions and conversion of combustion systems.
  • Studies for the extension of the residual life of plant and diagnostic services.
  • After sales service and spare parts supply.


Macchi product, after the delivery to the customer, is assisted throughout its life, providing customers with services to ensure safe and reliable operation over time. In particular Macchi ensures:

  • Spare parts.
  • Emergency interventions.
  • Inspection and supervision.
  • Improvement of combustion system according to updated technological developments.
  • “Up-grading” – “up-rating” – “fuel conversion” – “life extension” interventions.
  • Remote monitoring system through Internet connection.
  • Macchi is also active in “operation and maintenance” activities for units originally supplied by others.


Supply of start-up, operation and maintenence of industrial plants in the following areas:

  • Electricity.
  • Waste to energy.
  • Desalination, demineralization and water treatment.
  • Chemical and petrochemical plants.
  • Biomass plants.
  • Industrial utilities.

SWS “Saline Water Specialists”

After-sales service for ordinary or planned maintenance or on-call interventions.

CCA “Centro Combustione Ambiente”

Activities and specialized services.

Ask for more information

News and Communications
  • 800 MW “Power Train” of Marghera Levante

    Ansaldo Energia in partnership with AC Boilers has been awarded the contract for the design, engineering, manufacturing, supply, erection and […]

  • AC Boilers at OGU 2019

    It’s a pleasure to inform you that AC Boilers will participate at OGU 2019 in Tashkent – Uzbekistan from May […]

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