Airelec was established in Paris in 1956. By the end of 1997, the company had enlarged its production and become a market leader in France. Muller group, one of the biggest manufacturers of electrical heating systems not only in Europe but worldwide, acquired the company in the same year. In 1999, Airelec entered the Bulgarian market and due to the excellent quality of the products, became a market leader in Bulgaria either. All of the products are produced in France and have 7 years warranty.