The 127 MSC is pre-soliciting a total small business set-aside for commercial construction services to repair HVAC in Building 303 at Selfridge Air National Guard Base, MI 48045. The project involves replacing 14 existing furnace and heat pump units with new 5-ton dual-fuel systems and installing 5 new 2-ton air conditioning units. Work includes demolition, installation, commissioning, and integration with existing digital controls, with performance over 365 days while the building remains occupied. An Invitation for Bids (IFB) is planned for issuance in July, leading to a single firm fixed-price contract. No budget amount is specified.