Mashpee Service Unit New HVAC Units

The Indian Health Service seeks furnishing and installation of new packaged rooftop HVAC units for the Mashpee Wampanoag Tribe's Administrative, Medical, and Dental Clinics, with proposals due June 15, 2026. The procurement is set-aside for Indian Small Business Economic Enterprise (ISBEE) and Indian Economic Enterprise (IEE) concerns, requiring offerors to maintain IEE eligibility at offer submission, contract award, and throughout performance.

Place of performance is Mashpee, Massachusetts. The Administrative and Medical buildings require commercial-grade packaged gas/electric rooftop units with 4 tons nominal cooling capacity, equivalent to Trane model 4DCY4048B1096AA or approved equal. Dental building units shall be vertical-mounted and sized to match existing equipment specifications. All units must deliver minimum cooling efficiency ratings of EER 10.0 and IEER 11.0, heating efficiency of minimum 80% AFUE, copper tube/aluminum fin coils, and standard 24V control systems with programmable thermostats. Contractor must provide complete installation including removal and disposal of existing units, roof curb repairs, commissioning with factory-authorized startup, and a commissioning report documenting refrigerant pressures, airflow measurements, temperature split data, and final performance verification.

The contract is firm fixed-price with a mandatory performance period not to exceed 180 days from notice to proceed. Contractor must obtain performance and payment bonds, carry minimum insurance coverage of $500,000 per occurrence, submit a Site-Specific Safety Plan within 14 days of award, and provide a one-year workmanship guarantee with minimum manufacturer warranties of five years on compressors and heat exchangers and two years on parts. Award will use the tradeoff method, weighing technical quality and reliability more heavily than price. The NAICS code is 238220, Plumbing, Heating, and Air-Conditioning Contractors. Solicitation number is 75H71526R00005.