The requirement is for routine HVAC maintenance and repair services to be performed at Government-identified locations in Sterling, VA; Denton, TX; and Sacramento, CA. Services include scheduled maintenance, minor repairs, and Government-authorized replacement of repair parts for HVAC systems supporting Western Shelters. The objective is to maintain safe, functional, climate-controlled work environments and support continuity of operations. This will protect Government facilities and equipment while reducing the risk of system failures or unplanned disruptions. Timely service will sustain Western Shelter readiness and long-term HVAC equipment performance.