The U.S. Embassy Berlin seeks a Firm Fixed Price contract for semi-annual preventive maintenance on 16 custom York Air Handling Units and associated motor starters/VFDs. The contractor must provide all labor, materials, and consumables for tasks like inspection, cleaning, and filter replacement, with repairs excluded. Performance will occur at the Embassy in Berlin, Germany. The contract includes one base year plus four option years, with a potential end date of April 2031. No budget amount is specified.