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This industry group comprises establishments primarily engaged in installing or servicing equipment that forms part of a building mechanical system (e.g., electricity, water, heating, and cooling). The work performed may include new work, additions, alterations, maintenance, and repairs. Contractors installing specialized building equipment, such as elevators, escalators, service station equipment, and central vacuum cleaning systems are also included.
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Showing 1351–1400 of 3114 bids that are currently: Active.
Denotes bidding opportunities that have been amended
| Massachusetts - US | Agency | Bid Type | Due Date | As PDF |
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State Office Building HVAC Upgrades
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 31, 2026 |
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Unit Modifications - Heating \/ Ventilating \/ Air-Conditioning (HVAC)
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 15, 2026 |
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Senior Center HVAC System Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 26, 2026 |
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Oak Street PFAS Water Treatment Upgrades - Heating, Ventilation, and Air Conditioning
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 26, 2026 |
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613404 HVAC Repairs to District Administration Building
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | May. 05, 2026 |
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HVAC Upgrades
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 01, 2026 |
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McGuirk Stadium Improvements - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 02, 2026 |
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Town Hall Elevator Ventilation and Chimney
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 08, 2026 |
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YARD RENOVATION - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 26, 2026 |
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Improvements at the Center at the Heights - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 02, 2026 |
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CENTERPOINT GAS BOILER REPLACEMENT
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 25, 2026 |
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Heating Unit Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 25, 2026 |
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Fairgrounds Apparatus Bay - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 01, 2026 |
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Chiller Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 25, 2026 |
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Glenwood Elementary School AC Upgrades
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 09, 2026 |
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Dias Field Concession Stand Renovations - HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 08, 2026 |
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Boiler Replacement at the High School
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 25, 2026 |
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HVAC Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 26, 2026 |
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Removal of Existing HVAC and Replace with New HVAC
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 01, 2026 |
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Heating System Upgrades
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 01, 2026 |
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Police Station Detectives Wing HVAC Upgrades
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 29, 2026 |
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Renovation and Addition to Fire Station - Heating, Ventilation and Air Conditioning
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 09, 2026 |
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HVAC Preventative Maintenance
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 06, 2026 |
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Hiram L. Dorman Elementary School AC Upgrades
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 22, 2026 |
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Stadium Courts Decarbonization Renovation Phase 2 - Heating\/ Ventilating \/ Air-Conditioning (HVAC)
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 08, 2026 |
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Ductless Mini-Split PM Service
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 08, 2026 |
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BOILER NO. 2 OIL RESTRORATION PROJECT
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 14, 2026 |
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On-Call and PM HVAC and KMC Controls
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 01, 2026 |
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Emergency Smoke Control and Subway Ventilation Fans, Support Systems, and Associated Equipment
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 13, 2026 |
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Renovation and Addition to Fire Station - Glass and Glazing
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 09, 2026 |
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ON CALL MECHANICAL SERVICES
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 08, 2026 |
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Fire Alarm Systems Maintenance and Repair
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 25, 2026 |
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Collins Building Fire Alarm Upgrades
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 01, 2026 |
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Miles and DiNardo Halls Fire Alarm Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 25, 2026 |
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Fiber Optic Cable Services
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 26, 2026 |
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FIRE ALARM REPLACEMENT
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 22, 2026 |
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Main Library Garage Camera Replacement and Card Readers
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 02, 2026 |
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Security Camera Upgrade
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 15, 2026 |
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Shea Durgin Fire Alarm Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 01, 2026 |
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Unit Modifications - Resilient Flooring
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 15, 2026 |
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Common Entry Flooring Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 25, 2026 |
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Door Replacement
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 01, 2026 |
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On-Call Door & Lock Installation & Repairs
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 24, 2026 |
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Structural Floor Repairs
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 24, 2026 |
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Epoxy Floor Coating at Dilboy Pool House
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 26, 2026 |
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Removal and Replacement of Exterior Doors
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Apr. 01, 2026 |
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Flooring Installation at Indian Orchard Elementary School
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 27, 2026 |
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Flooring Replacement at Rebecca Johnson Elementary School
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 27, 2026 |
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PUBLIC HOUSING TILE FLOOR INSTALLATION
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 25, 2026 |
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Munson Library Doors and Hardware Accessibility Upgrades
23 - Construction (to see the full NAICS category code login or upgrade) |
login to see | State/Local Bids | Mar. 26, 2026 |
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