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 4130014191030. This solicitation is a Total Small Business Set-Aside and aims to fulfill the need for air-conditioning and warm air heating equipment, which is critical for various military applications. Interested vendors are encouraged to submit their quotes electronically, as hard copies of the solicitation will not be available, and all submissions must be received in a timely manner. For inquiries, potential bidders can contact the DLA at DibbsBSM@dla.mil, and the solicitation details can be accessed via the DIBBS website.