Immergas was founded in 1964 in Brescello, Reggio Emilia, by three young entrepreneurs: Romano Amadei, Gianni Biacchi and Giuseppe Carra. Immergas first boiler came out in 1965, the company obtained its first patent in 1967, and two years later it began to expand. Immergas sold more than 8 million boilers all over the world.