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Consultants outline $2M–$20M plan to add ventilation, HVAC and solar across Winthrop schools
Summary
Energy Management Consultants presented options to fix decades-old ventilation and HVAC systems, prioritize phase two work for buildings with no mechanical ventilation, and proposed financing paths including a $2 million priority package and a $20 million full-build scenario with potential IRA and state incentives.
Consultants told the Winthrop School Board that aging HVAC and ventilation systems across district buildings will require phased capital work and that multiple funding sources and financing approaches are available.
Tom Seekins, president of Energy Management Consultants, summarized results from the district's earlier LED and boiler work (which produced realized savings of about $229,000) and described next-phase priorities: providing mechanical ventilation to older wings, replacing 50-year-old unit ventilators and chilled‑water equipment that use obsolete refrigerant (R‑22), and improving building envelopes and controls. He said one priority package (partial middle-school AC, the nonworking unit and grade‑school ventilation measures) was budgeted roughly at $2,000,000 with an estimated annual financing contribution of about $176,000 starting in 2028 under a tax‑exempt lease‑purchase model; a full-district program could be on the order of $20,000,000.
Technical and funding details: the consultant explained options including VRF (variable‑refrigerant‑flow) systems, energy‑recovery ventilation units, and an open building‑automation platform (Niagara) to avoid vendor lock‑in. He emphasized grant and incentive opportunities — Efficiency Maine incentives cited up to about $18 per square foot for primary‑heat installations and the Inflation Reduction Act's 30% tax‑credit-like benefit — and said the firm will pursue state revolving renovation funds and congressional direct‑spend grants where possible. The firm proposed using CO2 loggers and CO sensors to document indoor-air conditions as part of grant applications.
Board questions and next steps: board members asked whether the analysis includes expected changes in power consumption and net energy savings; the consultant explained that replacing non‑ventilated spaces with ERVs can increase energy use but that adjusted baselines and whole‑project analyses incorporate those effects. The board did not vote; the presenter said the purpose was informational and asked for direction on which option to pursue, and the firm will provide detailed drawings, bid specifications and a financing cash‑flow tool for board review.
The board requested the slide deck be distributed to members for further review.
