Our history From 1930 to today

Over 90 years of growth
driven by passion and competence.


Aristide Merloni founds the Industrie Merloni in the Marche Region of Italy, starting the production of weighing scales.


The Company becomes a leader in Italy in the water heating segment and expands into Western Europe’s main markets.



The Company starts the production of gas cylinders and electric water heaters.

During this period of intense growth, the Ariston brand is created.


Already a market leader in water heating, the Company enters the heating sector and starts producing boilers.


By setting up subsidiaries in Eastern Europe and Asia, the Company consolidates its global leadership in heating and water heating.

In these years, the Company acquires Racold, the largest water heating company in India, and opens its first wholly owned factory in China.



The Company pursues a remarkable growth by acquiring a number of historical companies and brands such as Chaffoteaux, ELCO, Cuenod and Ecoflam.



The Company finalises the acquisition of DhE, an Italian leader in the sector of heating elements for commercial and industrial applications, and enters into a joint venture for manufacturing and selling high-efficiency home heating systems in Uzbekistan.



By acquiring Cipag SA and Domotec AG, the Company confirms its leadership in Switzerland in the production, distribution and maintenance of water heating systems.


The Company acquires ATAG Heating, a Dutch highend brand in the heating industry, and Heat Tech Geysers, the second player in the South African market for water heaters.

In the same year, it also inaugurates a new factory plant in Vietnam.


The Company opens a new branch, Ariston Thermo Indonesia, and debuts on the Danish market with the acquisition of Gastech-Energi A/S.

The Company also acquires SPM, French manufacturer of burners and components.



The Company continues to sustain its growth through the acquisition of NTI, the brand leader in Canada and one of the leaders in the USA in the condensing boiler segment. 

In the same year, it achieves significant results as its historical Arcevia and Osimo plants win the coveted World Class Manufacturing bronze medal.


Laurent Jacquemin takes over as Group’s Chief Executive Officer.

In the same year, the Ariston Thermo Innovative Technologies, a research and development centre dedicated to renewable and high-efficiency solution for thermal comfort, is established in Agrate, Italy.

Investments continue with the acquisition of HTP, a well-established brand on the US high-efficiency thermal comfort market, and of Atmor, an Israeli company which distributes its instantaneous electric water heaters in 40 countries worldwide.

The Company also opens a new manufacturing facility in Tunisia.



The Company reaches an agreement with Whirlpool for the reindustrialisation of the site in Albacina.

In the same year, the Ariston brand launches “The Ariston Comfort Challenge”, its first global campaign.


The Company signs an agreement with Calorex, a leading company in Mexico that offers both residential and commercial water-heating solutions and that is the authorized licensee of the American Standard brand in the USA, thus further consolidating its presence in the American continent.

In the same year, the Italian plant in Cerreto D’Esi, specialised in the production of electric water heaters, receives the World Class Manufacturing (WCM) bronze medal.



The Company celebrates its 90th anniversary since its foundation, an occasion to underline the its values.

In such a challanging year due to the pandemic, the Company launches a series of CSR activities at a global level to support different stakeholders in the fight against Covid-19.



In the same year, the Company signs an agreement with Politecnico di Milano and Fondazione Politecnico di Milano to further streghten the collaboration on the development of thermal comfort sustainable solutions.



In a year full of remarkable events, the Company changes its name to become Ariston Group.

The Company signs an agreement for the acquisition of Chromagen, a leading player in the provision of renewable hot water solutions headquertered in Israel and with a solid footprint in Australia.

It's again this year that Ariston Group lists on Euronext Milan, to capitalise on growth opportunities by increasingits  strategic flexibility while enhancing both its profile and its brands' recognition.



The year starts with the closing of the acquisition of Chromagen.

In the same year, Ariston Group announces the biggest deal in its history: the acquisition of CENTROTEC Climate Systems, pioneer in the development of
new-generation high-efficiency heat pumps with natural refrigerants (R290) and low
noise emissions, successfully operating in domestic heat-recovery ventilation and air-handling and with a solid positioning in Europe, particularly in Germany.