Illinois Furnace Planning Range (2026)
HomeScore modeled Illinois furnace planning range: $4.7k–$11k, midpoint $7.1k. Scope, exclusions and quote checklist; not observed payments.
2026 furnace planning range in Illinois
HomeScore's model applies Illinois's regional cost factor (1.05×) to the disclosed national planning midpoint of $6,800, producing a regional planning midpoint of $7,140. Modeled range: $4,725–$11,025. These are planning values, not observed homeowner payments or contractor invoices. Compare written local quotes using the same equipment and installation scope.
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