The Department of Defense is seeking information about the supply of HVAC units through a Sources Sought notice. This opportunity suits small businesses that specialize in heating, ventilation, and air conditioning (HVAC) work, specifically those with experience in the installation and maintenance of HVAC systems (NAICS code 238220). The notice indicates that the government is looking for potential sources, but no solicitation has been issued yet, so interested parties should track the opportunity for future developments.
Analysis by Mindy, grounded in the SAM.gov notice.
Description
Minimum Specifications
AAON Package Rooftop Unit
THIS IS A BRAND NAME REQUIREMENT
General
The Contractor shall provide one (1) new packaged rooftop unit, AAON Model RNA-025 or equivalent updated model, to replace the existing unit (Serial # BNWR03515).
The unit shall be a heat pump with supplemental electric heat.
Make and Model Requirements
Make: AAON
Model: RNA-025
Physical and Construction Requirements
Construction: 2-inch double-wall construction with a thermal break
Supply Fan: Direct drive plenum supply fans
Drain Pan: Stainless steel, double-sloped
Filters: One (1) set of 4-inch pleated MERV 8 filters
Coil Protection: Condenser coil guards
Electrical and Performance Requirements
Power: 460V/3Ph/60Hz
Electrical Rating: 10KAIC
Circuit Sizing: Minimum Circuit Ampacity (MCA) of 216A and Maximum Overcurrent Protection (MOCP) of 225A
Refrigerant: R-454B DX coil
Compressor: Variable capacity primary compressor with a 2-step secondary compressor
Heating/Cooling:
Air-Source Heat Pump
Modulating Hot Gas Reheat
Supplemental Electric Heating
Controls & Safeties:
Economizer
Clogged Filter Switch
Phase and Brownout Protection
Non-Fused Disconnect Switch
Factory-wired 115V Convenience Outlet
VCCX CAV Unit Controller
Remote safety terminals for field-provided and installed smoke detectors
Warranty
The equipment shall include a minimum 1-year limited parts and labor warranty.
The equipment shall include a minimum 5-year parts-only warranty for the compressor.
Scope of Supply
Included: The price shall be inclusive of all freight.
Not Included (To be performed by others): The following items are explicitly excluded from the material supply:
* BAS (Building Automation System) integration.
* Smoke detectors (the unit must provide terminals for connection).
* Airflow monitoring station.
* Vibration isolation rails.
* Mounting hardware, structural steel, and curb fill.
* All power and low-voltage wiring.
* Rigging, installation, and final commissioning.
Source: SAM.gov, as posted. Verify the current solicitation before responding.
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