Furnace replacement
$7,800
Typical for a 1,500–2,500 sq ft home. Most jobs run $5,700–$10,600.
State prices
$7,800
Furnace replacement typical, statewide
19.2¢
Electricity per kWh residential average
Most furnace replacement quotes in Illinois land between $5,700 and $10,600. Prices differ by metro, so start with yours below.

Illinois is in the DOE north region: new central AC must meet 13.4 SEER2. Photo: Qiang Lai on Pexels.
Check a quoteNearby
Furnace replacement, typical installed price. Press a metro for every job, local factors and rebates.
1
Metros in Illinois with their own prices, largest first.
Chicago-Naperville-Elgin · 9,371,595 people
On the map
Illinois prices in 12 metros and 4 rural areas, each on its own. Every county takes its area's typical price; switch the job and the map redraws.
Furnace replacement · typical price by county
Shades split Illinois's counties into even groups; each county takes its metro or rural area's price.
Cape Girardeau metro
Metro · 1 county · 98k people
Paducah metro
Metro · 1 county · 103k people
Metro · 8 counties · 2.8M people
Rural South Illinois
Rural · 19 counties · 384k people
Rural East Central Illinois
Rural · 15 counties · 372k people
Metro · 9 counties · 9.4M people
Decatur metro
Metro · 1 county · 102k people
Peoria metro
Metro · 5 counties · 365k people
Champaign metro
Metro · 3 counties · 239k people
Rockford metro
Metro · 2 counties · 337k people
HVAC technician pay
Half the 9,740 HVAC techs in Illinois earn more than $37.21 an hour ($77,410 a year), 27% above the US median. Shops here bill that hour at about $143 in our price model.
Source: BLS OEWS, May 2025; billable rate from the HVACFIND price model.
HVAC technician salary in Illinois$37.21
Median hourly pay for HVAC technicians in Illinois
The numbers here
Statewide figures, against the other states.
Furnace replacement
$7,800
Typical for a 1,500–2,500 sq ft home. Most jobs run $5,700–$10,600.
HVAC technician wage
$37/hr
Median hourly pay here against $29.33 for the US (BLS OEWS). Labor is a third of a typical install.
Hot days a year
21≥90°F
1,052 cooling and 5,804 heating degree days in a normal year, 1991–2020 (NOAA).
HVAC companies
4,042
8 for every 10,000 homes (Census County Business Patterns). More competition tends to mean tighter quotes.
Every job
Averages across the state. Your metro's page is closer to what you'll be quoted.
$4,950–$11,400 typical $7,500
$7,250–$14,700 typical $10,350
$5,700–$10,600 typical $7,800
$10,950–$18,800 typical $14,350
$4,350–$8,150 typical $5,950
$380–$580 typical $470
$280–$660 typical $430
$400–$610 typical $490
$130–$310 typical $200
$450–$720 typical $570
Before you sign
New central AC installed in Illinois must meet the DOE north standard. Heat pumps need 14.3 SEER2 and 7.5 HSPF2.
Licensed locally: local (municipal).
Permit rules are set city by city.
0 active programs verified. The federal 25C credit ended for 2026 installs.
19.2¢ per kWh on average, which sets what efficiency saves you.
1,052 cooling and 5,804 heating degree days in an average year.
Nearby
Reference pages built from public records, each row with its source and the date we checked it.
—
Federally funded HEAR heat pump rebates in this state.
State and utility programs, income limits
When you need one and what it costs
local (municipal)
Second opinion
Tell us the job and when suits you. We confirm by phone or text, then pass your request to one licensed contractor who covers your ZIP. Nobody else gets your number.