HVAC Control System Services

United Independent School District is seeking HVAC control system maintenance, repair, inspection, upgrades, and variable frequency drive installation and programming for its facilities.

United Independent School District


General
Open (issued)
RFP 2026-020 Addendum 1
Nov 04, 2026 09:00 PM
Oct 26, 2026 05:35 PM
Request for Proposal (RFP)
Local
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Original Solicitation Links
[

RFP 2026-020 Addendum 1

]

hvac control services

Contact
ivan.martinez@uisd.net
+19564737933
Laredo, TX, USA
Description

The district seeks ongoing maintenance, repair, inspection, and upgrades for its existing building automation control systems, with at least 40 hours of maintenance and repair each quarter. The contractor must provide service reports after visits, respond to emergency calls within two hours, and schedule standard service calls within 24 hours. Non-emergency repairs and system modifications outside the quarterly maintenance scope require prior written authorization. The scope includes supplying, installing, commissioning, and programming variable frequency drives, integrating them with the existing automation system, and testing their operation. Vendors must provide pricing for labor and parts, including a stated discount off manufacturer list prices or markup over cost; invoices for cost-plus materials must include supplier cost documentation. Proposal responses must include proof of assigned technicians’ factory certifications for the specified building automation platforms. The solicitation also requires a minimum 90-day labor and workmanship guarantee and at least a one-year manufacturer warranty on replacement equipment.

Classification Codes
NAICS238220Plumbing, Heating, and Air-Conditioning Contractors
PSCJ041Maintenance, Repair and Rebuilding of Equipment: Refrigeration, Air Conditioning, and Air Circulating Equipment
Smart Codes
hvac controls maintenancebuilding automation system repairvariable frequency drive installation
Specifications
Supply & Service
Timeline
Oct 30, 2026 10:00 PM-Questions Due
Nov 04, 2026 09:00 PM-Proposal Submission Deadline
Nov 04, 2026 09:10 PM-Bid Opening (optional)
Requirements
Required
Scored
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