# Plano Independent School District Ionwave #CSP 2027-01-03

Daffron Elementary School HVAC System Replacements and Compliance Work

**Posted:** October 30, 2026
**Respond By:** December 01, 2026
**Identifier:** CSP 2027-01-03
**NAICS:** 238220

Plano Independent School District is seeking proposals to replace and upgrade HVAC systems at Daffron Elementary School in Plano, Texas.
- **Buyer:** Plano Independent School District, Purchasing Department.
- **Project:** Daffron Elementary School Systems & Compliance project, at 3900 Preston Meadow Dr, Plano, TX 75093.
- **Requested products and work:** Replace one campus HVAC controls system, existing air-cooled chillers (quantity not specified), and three rooftop units; install visitor signage. Alternate No. 1 adds replacement of one existing make-up air unit.
- **Associated services:** Mechanical, electrical, and controls work needed to provide complete, operational systems.
- **Allowance:** $50,000 for replacement of valves, actuators, and strainers; quantities are not specified.
- **Estimated value:** $1,455,000 is stated as the project budget. The attachment describes the $75,000 contingency and $50,000 allowance as additional, while the initial release describes them as included; the possible total is therefore approximately $1,455,000–$1,580,000.
- **OEMs and vendors:** No equipment manufacturers, OEMs, or commercial vendors are identified by name. No model or part numbers are provided.

### Description

Plano Independent School District is requesting competitive sealed proposals for the Daffron Elementary School Systems & Compliance project. The base scope includes replacing the campus HVAC controls system, existing air-cooled chillers, and three rooftop units, installing new visitor signage, and completing associated mechanical, electrical, and controls work for operational systems. Alternate No. 1 includes replacement of the existing make-up air unit and associated work. The stated estimated budget is $1,455,000, with a $75,000 contingency and a $50,000 allowance for replacement of valves, actuators, and strainers.

[View original listing](https://pisd.ionwave.net/PublicDetail.aspx?bidID=2869&SourceType=1)