Hvac Cost in Illinois (2026)
Statewide average and city-by-city hvac cost guide for Illinois.
Illinois Average
$473
Median cost
$105
Low
$12,600
High
96.4
COL index
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Statewide average and city-by-city hvac cost guide for Illinois.
Illinois Average
$473
Median cost
$105
Low
$12,600
High
96.4
COL index