Exchange of Heating System

The contract calls for the replacement of two outdated boiler systems serving a 130 square meter area with a single modern Vaillant ecoVIT VKK 226/4 gas condensing unit that includes integrated hot water preparation. The scope involves the complete deinstallation and safe disposal of the existing boilers and their associated electrical systems, removal of obsolete gas lines, and inspection of the current chimney liners to ensure compliance with applicable regulations. All work must adhere strictly to current German technical standards including DIN, TRGI, and VDE codes, and must be carried out in close coordination with the local district chimney sweeper. Additional requirements mandate the installation of proper safety and control components, thorough documentation of the work, and a mandatory site visit before any quotation can be submitted. The solicitation, titled Exchange of Heating System with reference number PR16086460, was posted on June 29, 2026, and responses are due by July 10, 2026. The project falls under NAICS code 23822 and is administered by the US Embassy Berlin under the Department of State. The primary point of contact for inquiries is Berlin Procurement, reachable via BerlinEinkauf@state.gov. While the contracting office is based in Washington DC, the physical work must be performed at the location in Berlin with postal code 14195. This solicitation is classified as an office procurement and does not have a set-aside designation.