The U.S. Embassy in Georgetown requires a technician to repair and troubleshoot a Multistack Set-B chiller, including installing new controllers, performing a software upgrade, and replacing pump motors. The work will be performed in Georgetown, Guyana. The contractor must supply a detailed list of specified parts, such as coils, fan blades, motors, circuit breakers, and sensors. No budget amount or submission timeline is provided in the description. This opportunity is relevant for firms with HVAC technical expertise and the ability to source the listed components.