AAON HVAC UNIT

The Department of Defense, through NSWCCD Code 102, is seeking market information for a replacement AAON packaged rooftop unit for Building 81 in Bethesda, Maryland, under solicitation N00167CJD001NSWC. This is a brand-name requirement specifying the AAON Model RNA-025 or an equivalent updated model, and the solicitation is classified as sources-sought, intended to evaluate industry capability rather than issue a formal award. The unit must be an air-source heat pump with supplemental electric heat and modulating hot gas reheat, constructed with 2-inch double-wall thermal break construction, a stainless steel double-sloped drain pan, and condenser coil guards. It must feature direct drive plenum supply fans, a variable capacity primary compressor with a 2-step secondary compressor, and use R-454B refrigerant. Electrical requirements include 460V/3Ph/60Hz power, a 10KAIC rating, a minimum circuit ampacity of 216A, and maximum overcurrent protection of 225A. The unit must be equipped with a VCCX CAV Unit Controller, an economizer, a clogged filter switch, and one set of 4-inch pleated MERV 8 filters. Warranty provisions require at least a one-year limited parts and labor warranty and a five-year parts-only warranty on the compressor. All pricing must include freight to the delivery site at 20817 Maryland. The contractor is only responsible for delivering the unit; all installation, rigging, commissioning, wiring, mounting hardware, structural steel, curb fill, vibration isolation rails, BAS integration, and smoke detector connection are excluded and to be performed by others. The solicitation closes on July 7, 2026, and responses should be directed to the primary point of contact, Carlos J. Duran, at the provided email and phone number.