The Department of Veterans Affairs is seeking sources for a five-year contract (with a possible six-month extension) to provide preventive maintenance and repair services for HVAC water chillers and air handling units at the VA Caribbean Healthcare System in San Juan, Puerto Rico. The contractor must furnish all personnel, tools, and materials to perform services including 24/7 emergency support with a 30-minute telephone acknowledgment and two-hour on-site response, as well as major overhauls of centrifugal compressors. Responses to this sources-sought notice are due by May 4, 2026, at 10:00 AM Puerto Rico local time. No budget information was specified in the description. The government will use responses to determine the acquisition strategy, including potential set-asides for Service-Disabled Veteran-Owned or other small businesses.