Mr. Didier Hanart started out on his own and, despite not being a trained heating engineer, set up a company specializing in water treatment.

Thanks to our collaboration, he was able to expand his business. In 2019, he bought a SoluCalc to test and install, and was convinced by the product. Subsequently, he ordered four more SoluCalc's, and today he orders ten of them, making this product the core of his business.

He also hired a technician and built a business whose 99% of activity is based on SoluCalc installation.