This is a firm fixed-price purchase order awarded by the National Park Service's Intermountain Region to R&R Mechanical LLC, a minority-owned, veteran-owned small business, to replace four HVAC units at the Hubbell Trading Post National Historic Site in Ganado, Arizona. The $35,884 contract has a period of performance from March 1, 2025 to June 30, 2025, with a 90-day completion requirement after the Notice to Proceed. The work involves removing and replacing the existing packaged gas/electric HVAC units with new, more efficient equipment rated at a minimum SEER 16. The contract was awarded under simplified acquisition procedures, with the award decision based on best value considering price, technical capability, and prior experience. The contract was set aside for small businesses.