Rental of Temporary HVAC System w/ Exhaust Blowers & Heaters

Naval Sea Systems Command is seeking sources for rental of a temporary HVAC system with exhaust blowers and heaters at Portsmouth Naval Shipyard, Kittery, Maine, with a response deadline of July 6, 2026 at 8:00 AM EST. This is a sources sought notice (not a formal solicitation), and no pricing information is required in vendor responses.

Place of performance is Portsmouth Naval Shipyard, Kittery, Maine, with anticipated start in September 2026. The system must operate continuously in harsh marine environments (-10 to +110°F, 0–100% relative humidity) and support drydock operations. Equipment specifications include 1–3 triple coil HVAC units (or dual coil as alternate), 4 industrial exhaust blowers, 7 electric fan coil heaters rated 150 KW each, 2 air-cooled chillers at 230 tons capacity, and associated piping and controls. HVAC units must deliver 20,000 CFM at 7 inches external static pressure with four 20-inch diameter outlets, 240 KW electric heating, and 120-ton minimum cooling. The system requires 480 VAC three-phase power, Camlok-style electrical connections, and emergency remote stop systems with 1,500-foot cable lengths. All equipment must be factory-tested, fully commissioned on-site, and arrive with zero coolant. The contractor must provide 24-hour on-call repair response with technician arrival within 24 hours and repair or equipment replacement within 72 hours, perform preventative maintenance per OEM specifications, and conduct weekly inspections. Personnel accessing the shipyard must be US citizens with government-issued contractor Common Access Cards or SECNAV 5512/1 biometric identification documentation. Responses should include company name, address, POC, CAGE code, small business status under NAICS 532490, and anticipated mobilization time. Contact david.m.ham7.civ@us.navy.mil.