The Department of Defense, through the Mission and Installation Contracting Command (MICC) at Fort McCoy, Wisconsin, is seeking bids for the replacement of the HVAC system at building 1679. This procurement falls under the North American Industry Classification System (NAICS) Code 238220, which pertains to Plumbing, Heating, and Air-Conditioning Contractors, and is designated as a Total Small Business Set-Aside. The successful contractor will be awarded a firm fixed-price contract, with the solicitation anticipated to be issued within 15 days of this pre-solicitation notice. Interested parties can direct inquiries to Kristine Scholz at kristine.k.scholz.civ@army.mil or Vance Bickford at vance.c.bickford.civ@army.mil, with a small business size standard of $19 million applicable to this opportunity.