HVAC Replacement Cost by State in Illinois (2026)

Typical installed cost for a 3-ton AC + furnace system, with contractor labor rate — how Illinois stacks up against all 50 states.

Illinois average
$11,500
21% above the national average of $9,500

Illinois vs national average

MetricIllinoisNational average
Typical installed cost for a 3-ton AC + furnace system, with contractor labor rate$11,500$9,500

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HVAC Replacement Cost by State — all 50 states

Related by-state guides

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