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Committee weighs heat-plant conversion and classroom HVAC options at Hinsdale Central
Summary
At a June 8 finance and facilities meeting, District 86 officials reviewed options for replacing aging unit ventilators and for converting Hinsdale Central’s steam system to hot water, discussed costs, a phased three‑year sequence, and asked staff to return with detailed cost and sequencing proposals.
HINSDALE, Ill. — The Hinsdale Township High School District 86 finance and facilities committee on June 8 discussed design choices for a summer 2027 heat‑plant and classroom HVAC project at Hinsdale Central, weighing lower‑cost unit‑vent replacements against quieter, longer‑lived vertical unit ventilators, ducted fan coils and newer chilled induction beam systems.
Jason, the facilities speaker, told the committee that the district’s current unit ventilators are “very energy not energy efficient. They are next to students. They are loud. They are hot. They are cold.” He described vertical cabinet unit ventilators as corner‑mounted units ducted to the ceiling that are substantially quieter, and said fan‑coil systems use a central air handler with room‑level coils. He cautioned that chilled induction beams are newer and expensive and that staff are still collecting maintenance and operations feedback from peer districts.
Committee members pressed on lifecycle, cost and sequencing. A staff speaker said roughly 242 classrooms are in scope. Speakers noted option 1A/1B (like‑for‑like replacements or vertical unit ventilators with conversion to hot water coils) is the shortest‑term, lower‑cost route and provides about a 20‑year service life, while options that replace whole classroom distribution (options 3–4) increase renovation scope and could push total project cost materially higher. One participant summarized earlier budgeting work indicating a pre‑inflation estimate in the low‑to‑mid‑teens of millions and said some classroom‑component scenarios would add several million dollars; another comment in the meeting described an example classroom component costing roughly $4.5 million and noted a separate option was “$4 million more.”
The committee and staff agreed the work must be phased: boilers and piping conversions and classroom coil changes cannot be completed district‑wide in one summer. Jason recommended a multi‑summer sequence (the group discussed a typical three‑year phasing) that could start with boiler/piping work and proceed wing‑by‑wing for classroom conversions. Several members asked staff and architect White to prepare more detailed cost comparisons, sequencing plans and recommendations focused first on options 1A/1B and 2A/2B, and to schedule site visits to districts that have installed chilled‑beam or fan‑coil systems to learn maintenance implications.
Why it matters: Central is on a steam system that is harder to modulate for local temperature control, while Hinsdale South operates on hot water; committee members said the conversion and ventilator choices will affect student comfort, classroom noise and long‑term maintenance costs. The committee asked administration to return with a comprehensive recommendation and refined budget implications for board consideration at an upcoming meeting (staff identified August as the next likely presentation opportunity).
What’s next: Staff will ask the architect for detailed analyses, prepare a sequencing plan that minimizes in‑school disruptions, and report back to the committee with cost comparisons and peer‑district findings.
(The article reports claims, costs and lifecycle statements as discussed in committee; where dollar amounts were described conversationally by participants they are identified as meeting statements rather than finalized estimates.)
