Replace R22 HVAC System and Siemens Controls Upgrade

Estimated Value: $350,000
Archived MarylandConstructionrfp
This bid is closed — responses were due July 17, 2026. It is no longer accepting submissions. We keep closed bids on BidsNexus for reference: agencies often re-issue the same need, and past bids show what they buy and when.
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Jul 1, 2026
Jul 17, 2026 8:00 PM
Construction
rfp
238220
AI Summary
This bid is for the replacement of an existing R22 HVAC system and an upgrade to Siemens controls, likely involving the installation of new HVAC equipment and integration with a Siemens building management system.
Line Items
ItemQtyUnitEst. Unit PriceEst. TotalCategory
Replacement of R22 HVAC System (including new chillers, air handling units, pumps, piping, ductwork, etc.) 1 lot $250,000.00 $250,000.00 Construction
Siemens Controls Upgrade (including DDC controllers, sensors, actuators, wiring, software licenses, programming) 1 lot $80,000.00 $80,000.00 Construction
Project Management and Engineering Services for HVAC and Controls Upgrade 1 lot $20,000.00 $20,000.00 Professional Services
Estimated Bid Value$350,000.00

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📎 Statement_of_Work_B3212_HVAC_and_Seimens_Upgrade-Updated_25_Jun_26.docx View
📎 B3212_LRS_Limited_Competition_Justification_Siemens_final_redact_Redacted_unprotected.pdf View
📎 Site_Visit_Attendance_Sheet.pdf View
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