Central Square Branch Library Mini-Split AC

The City of Cambridge is seeking a contractor to supply and install a single wall-mount cassette mini-split cooling only Energy Star inverter driven heat pump on the second floor of the Central Square Branch Library at 45 Pearl Street, Cambridge, MA. The solicitation, identified as COC-RWR-FY26-30954, was posted on April 30, 2026, with a response deadline of May 21, 2026. This is a firm fixed price contract under the NAICS code 238220 for heating, plumbing, and air conditioning work, administered by the City’s Purchasing Department under the oversight of the Architect and Facilities Manager. All work must comply with manufacturer specifications from industry leaders such as Mitsubishi, Fujitsu, or Daikin, and systems must meet or exceed SEER2 efficiency of 19.2, with indoor sound levels not exceeding 30 dB(A) in quiet mode and outdoor units capped at 53 dB(A). Units must be certified by AHRI, carry Energy Star labeling, and be manufactured in facilities registered to ISO 9001 and ISO 14001 standards. The contractor is responsible for full installation including electrical connections, piping, mounting hardware, and final commissioning, with all submittals such as shop drawings, product data, and samples requiring Architect approval prior to installation. The contractor must furnish materials in original sealed containers marked with manufacturer name, material type, and batch number, using exterior-rated heavy-duty neoprene insulation that is UV resistant, and must protect adjacent finishes throughout the work. All personnel must hold valid licenses, complete a 10-hour OSHA safety course prior to work commencement, and pass the City’s CORI background check requirements. The contract enforces Cambridge’s Living Wage Ordinance, mandating appropriate compensation and posting of wage notices. Security is required at all times, including provision of guards when workers are off-site, with guard dogs permitted only under direct supervision. Insurance carriers must have an A.M. Best rating of A- or higher, and the City must be named as an additional insured on liability policies with 15 days’ notice required for cancellation. Proposals must be submitted electronically through the City’s procurement portal by 2:00 PM on May 21, 2026, and no FOB terms or formal contract value are disclosed; payment will be processed upon compliance with documentation requirements and final approval by