The Department of Defense, through the Defense Logistics Agency (DLA) Troop Support, is seeking quotes for the procurement of three units of the Heat Interchanger, NSN 4130010909285. This solicitation is a Total Small Business Set-Aside, aimed at acquiring essential air-conditioning and refrigeration equipment for military operations. The selected vendor will be responsible for delivering the specified units to DLA Distribution within 166 days after order, with all quotes required to be submitted electronically. Interested parties should direct any inquiries to the buyer via email at DibbsBSM@dla.mil, as hard copies of the solicitation are not available.