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HVAC Early data Updated Apr 2026

HVAC System Replacement
in Illinois

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Built by Connor, a homeowner. Real receipts only. Why this exists →

In Illinois, HVAC system replacement costs typically range from $7,000 to $16,000, with most homeowners paying around $11,500. The middle 50% of projects fall between $9,250 and $13,750, giving you a sense of what typical installations in your area look like.

The typical range
$9,250 – $13,750
Middle 50% · median $11,500
Full reported range $7,000–$16,000 across 2 receipts.
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2 receipts in last 90 days Updated Apr 7, 2026 Help keep this current →
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The receipts

Every receipt below is a real homeowner report behind this page.

2 total receipts
$16,000.00
10 days ago
Chicago, IL
Contributor · Full HVAC System Replacement
Size not reported

Got a new HVAC system installed along with an electrical upgrade for 16K.

$7,000.00
10 days ago
Chicago, IL
Contributor · AC And Furnace Replacement
Size not reported

Fully replaced the furnace and AC for a much lower quote compared to others who thought I could afford more.

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