Due: 3 days leftSources SoughtOpen to allTX
What: Furnish and install 48 units of 1.25-ton Dedicated Outside Air System Water-Source Heat Pumps (DOAS WSHP). Units must be horizontal, ceiling-suspended, with low-GWP refrigerant (R-454B or R-32, not R-410A), integral 3.75 kW pre-heat coil, hot gas reheat capability, and BACnet controls. Complete removal of existing units and turnkey installation above breezeway ceilings in two dormitory buildings. Replacement units must fit through existing structural door openings without building demolition.
Buyer: Department of the Air Force, 502d Contracting Squadron
Where: JBSA Fort Sam Houston, San Antonio Military Medical Center (SAMMC) Dormitory Annex, San Antonio, TX
Deadline: October 26, 2026. This is a Sources Sought market research notice; the deadline is to respond with capability information, not to submit a bid.
Who can bid: Any responsible business—small or large—may respond. There is no small-business set-aside on this notice. Full and open competition.
Key requirements: Not stated in the notice summary
Check before bidding: (1) Exact dimensions and weight limits for units to pass through door openings; (2) Complete warranty terms, lead times, and pricing structure requirements
Next step: Review the full attachments and specifications. Submit a capability statement describing your experience with DOAS WSHP installation, ability to meet dimensional constraints, and familiarity with low-GWP refrigerants and BACnet integration by October 26, 2026.
Original description
The 502d Contracting Squadron (502CONS), on behalf of the 502d Civil Engineer Squadron (502CES), is conducting market research to determine: The availability and technical capability of industry sources (small and large businesses) to furnish and install 48 each 1.25-ton Dedicated Outside Air System (DOAS) Water-Source Heat Pumps (WSHP) which meet strict salient dimensions and environmental characteristics. The appropriate competitive acquisition strategy, including small business socio-economic set-aside determinations (RFO Part 19 Small Business - Rule of Two). Standard commercial practices, lead times, supply chain constraints, warranty terms, and pricing structures IAW RFO 10.002(b) Market Research . The contractor shall provide all personnel, management, equipment, tools, rigging, materials, and supervision necessary to execute the turnkey removal and replacement of 48 ceiling-suspended DOAS WSHP installed above exterior breezeway ceilings in B3631 and B3635 at JBSA Ft Sam Houston (FSH) San Antonio Military Medical Center (SAMMC) Dormitory Annex. This new requirement is projected to be a Firm-Fixed Priced (FFP) Purchase Order as a Commodity (Procurement) with incidental Services (Removal and Installation) buy. Key Salient Characteristics: Capacity: 1.25 Tons (15,000 BTUH nominal), airflow of 160 L/s (~340 CFM) at 50 Pa ESP. Configuration: Horizontal, ceiling-plenum suspended, right-hand return air arrangement. Access Dimension Constraint: Existing units are installed above metal panel breezeway ceilings accessible through structural door openings measuring approximately and replacement units must physically fit through these envelope openings without requiring structural building demolition. Refrigerant: Low-GWP refrigerant (e.g., R-454B or R-32). R-410A is strictly prohibited. Hydronic Pre-Heat Coil & Reheat: Integral 3.75 kW water-source pre-heat coil (3-way, 2-position control valve) and factory hot gas reheat (HGRH) / hot gas bypass (HGBP) for 100% outside air continuous dehumidification. Controls Integration: Complete integration into the installation's central Building Automation System (BAS via BACnet IP/MSTP).