HVAC upgrade at the old orchard museum

The National Park Service Northeast Region is procuring HVAC upgrade services for the Old Orchard Museum at Sagamore Hill National Historic Site in Nassau County, New York. The project involves replacing an existing mini-split HVAC system with a museum-grade system capable of maintaining precise environmental conditions for historic artifact preservation, including temperature control (65-70°F), relative humidity management (45-55%), and advanced air filtration capabilities. Contractors must be registered in the System for Award Management (SAM), provide performance and payment bonds, and demonstrate relevant experience through a 10-page technical narrative describing their work plan and prior experience. The evaluation will follow a lowest-price, technically acceptable approach, where proposals must first pass technical requirements before price evaluation. The original proposal deadline of August 28, 2025, has been extended twice, with the current submission deadline set for 1400 EST on September 11, 2025.

This solicitation is designated as a 100% small business set-aside under NAICS code 238220 (Plumbing, Heating, and Air-Conditioning Contractors), with an estimated contract value ranging between $100,000 and $250,000. The contract requires a firm fixed-price structure and mandates completion within 120 calendar days after receiving notice to proceed, with work restricted to Monday through Friday from 7:00 AM to 3:30 PM, excluding government holidays. The performance period spans from September 1, 2025, to December 30, 2025, with a delivery date of September 30, 2025. Work will be performed at the Sagamore Hill National Historic Site's curatorial storage space in Oyster Bay, New York, and contractors must begin work within 10 calendar days of receiving the notice to proceed. The government has noted that funds are not presently available and their obligation is contingent upon appropriated funds being made available.