Full HVAC System Replacement cost: Chicago vs Rock Island (2026)
In 2026, full HVAC system replacement is about 21% more expensive in Chicago than in Rock Island. Most homeowners pay around $13,950 in Chicago versus $11,500 in Rock Island — a gap of roughly $2,450.
Chicago IL
Typically around $13,950
Rock Island IL
Lower costTypically around $11,500
Chicago vs Rock Island: full breakdown
| Factor | Chicago | Rock Island |
|---|---|---|
| Typical 2026 cost | $13,950 | $11,500 |
| Estimated range | $9,750–$18,100 | $8,050–$14,900 |
| Labor index (vs US) | ×1.14 | ×0.93 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.05 | ×1.05 |
| Local permit | $225 | $200 |
| Labor share | $8,350 | $6,900 |
| Materials/equipment | $5,600 | $4,600 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national full HVAC system replacement range for local labor, climate and permits.
Chicago vs Rock Island
Is full HVAC system replacement cheaper in Chicago or Rock Island?
In 2026, full HVAC system replacement is cheaper in Rock Island at about $11,500, versus $13,950 in Chicago — a difference of about $2,450 (21%).
Why does full HVAC system replacement cost more in Chicago than Rock Island?
The main driver is local labor rates: Chicago's labor index is 1.14 versus 0.93 in Rock Island. Climate zone (cold vs cold) and permit fees also shift the total.
How much is full HVAC system replacement in Chicago, IL?
In Chicago, full HVAC system replacement typically runs $9,750–$18,100 in 2026, with most homeowners paying around $13,950.
Updated June 2026 · By Costadia Editorial