Furnace/HVAC Replacement Cost in Chicago (2026)
Average cost in Chicago
US$5,000 — US$14,000
US$4 — US$6 per sq ft
Cost Breakdown
ItemizedFurnace and AC units
50%
Installation and old unit removal
35%
Duct modifications, wiring, refrigerant lines
10%
City permits and 10.25% Chicago sales tax
5%
Sales Tax at 6.25%
📋What's Included
ScopeTypically Includes
- Furnace or AC unit
- Thermostat
- Basic ductwork connections
- Refrigerant
- Labor & installation
- Old unit disposal
Typically Excludes
- Full ductwork replacement
- Zoning systems
- Smart home integration
- Permits & inspections
- Humidifier or air purifier
Based on a standard 2,000 sq ft home with existing ductwork.
🧮Estimate Your Cost
InteractiveEstimated Cost
US$6,070 — US$9,106
Based on 6 sources and market data for Chicago. Actual costs may vary depending on specific project requirements.
🏢Top HVAC Replace Contractors in Chicago
Verified providersMODERN HVAC TECHNOLOGY
5555 N Sheridan Rd Suite 3, Chicago, IL 60640, USA
106 reviews
Pro HVAC Heating and Cooling
2835 N Damen Ave 2R Suite 2R, Chicago, IL 60618, USA
153 reviews
Provider data sourced from public business directories. Ratings and reviews are public and may change. LookupCost is not affiliated with listed providers.
💬What People Actually Paid
Community❓Common Questions
In 2026, the average cost to replace a complete HVAC system (furnace and AC) in Chicago is around $7,770 to $8,283. Prices typically range from $5,000 for basic systems in smaller homes to over $14,000 for high-efficiency units in larger homes.
Yes, Chicago requires permits for HVAC installations. Permit fees and the city's 10.25% combined sales tax on materials will add to your total project cost, typically accounting for about 5% of the total budget.
If you are only replacing the furnace, Chicago homeowners pay an average of $4,022, with a typical range between $2,487 and $5,563 depending on the fuel type, size, and AFUE efficiency rating.
Replacing just the central air conditioning unit in Chicago typically costs between $4,000 and $12,000. A standard 2 to 3-ton unit for a mid-sized home averages around $6,465 to $8,000 installed.
📊Our Methodology
How we collect dataAggregated from 6+ verified web sources and cost databases
Licensed contractor estimates and regional cost guides
Government construction and labor statistics
Community-reported project costs and reviews
Last data collection: today. Updates run weekly. All costs in USD.