Flushing (chemical washing) process of the closed-circuit heating system of the Mercedes-Benz Showroom Project was executed by our company on-line and while the system was running. The Officium Beytepe Project was realized by Hasmer Group and the Contractor was Demir Electro-mechanic Manufacturing Cons. Tourism Ltd. Co. and the Contractor was Demir Electro-Mechanic Manufacturing Cons. Ltd. Co. Water analyses were carried out in the laboratory environment by our expert engineers. The results of the analysis were reported and evaluated according to the closed-circuit standards and the system was handed over to the contractor.