HVAC Rooftop Unit Replacement – Navarro County Justice Center

Navarro County, Texas is requesting competitive sealed proposals for turn-key removal and replacement of six rooftop-mounted HVAC units at the Navarro County Justice Center in Corsicana under RFP 2026-H-008, with proposals due July 30, 2026 at 2:00 p.m. Central Time and written questions due July 17, 2026 at 5:00 p.m. Central Time.

The scope covers furnishing and installing new commercial gas/electric packaged units ranging from 3.5 to 6 tons, complete removal and lawful disposal of existing 2012–2013 Carrier equipment, crane and rigging, electrical and gas connections, roof curb adapters, DDC system reconnection to existing controls and sensors, condensate piping, start-up and testing, and operator training. All replacement units must be new, current-production, high-efficiency models meeting or exceeding U.S. Department of Energy and ASHRAE 90.1 standards and ENERGY STAR listed where applicable. Equipment must be compatible with existing 208/230V 3-phase electrical service. Minimum warranty is five years on parts, ten years on compressors, and one year on installation labor. All personnel must hold current Texas Department of Licensing and Regulation Air Conditioning and Refrigeration Contractor Licenses and EPA Section 608 certification.

Evaluation uses a best-value approach weighted 35% price of equipment and turn-key installation, 30% contractor experience with comparable commercial rooftop HVAC including detention-facility experience, 20% equipment quality and efficiency (SEER2/EER2 ratings, warranty terms, serviceability), 10% delivery and completion schedule, and 5% client references. Offerors must provide 5% bid security; contracts exceeding $50,000 require a Payment Bond; contracts exceeding $100,000 require a Performance Bond. All prices must remain firm for the contract duration. System blueprints may be viewed at the Justice Center but may not be removed. An optional pre-proposal site visit may be scheduled by calling (903) 875-3370.