JOLIET, IL — Winter in Northern Illinois is notoriously unforgiving, and the winter of 2025/2026 has been no exception. With plunging temperatures and biting winds off the plains, construction sites across Will County faced the annual threat of deep-freeze delays. However, at the site of Joliet’s highly anticipated new public school, the structural steel continued to rise, and the concrete continued to cure, largely thanks to a heavy-duty deployment of Sure Flame direct-fired heaters.

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In the rugged world of commercial construction, the schedule is king. But in a city like Joliet, Illinois, where the winds sweep across the plains and temperatures can plummet without warning, the weather often tries to dethrone the timeline. Inside the unfinished corridors of a new development in Joliet, the battle against the elements is being fought—and won—by a simple, roaring blue machine: the Sure Flame direct-fired heater.

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Pictured below is a portable rental unit providing cooling relief for a location in Will County, IL. Several high ambient, Classic Plus, emergency AC units were installed throughout the store per the account managers request.

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A Classic Plus 14, Spot Cooler Unit is shown with unit plugged in to a dedicated outlet, which is in an unused spare patient room. The cool air from the AC rental unit is being directed through two 5” nozzles to the Medical Director’s Office.

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