Cities / Illinois / Springfield
AC Replacement Cost in Springfield, IL (2026)
A 3-ton central air conditioner, installed, before rebates
$4,150to$9,700
From a public baseline. How prices are made.
The low and the high are the spread of equipment and labor in the public baseline for a 3-ton central air conditioner in 2026.
Illinois Rebates in 2026
Enrollment for 2026 is open. Open. The High Efficiency Air Conditioner Rebate is available to CWLP residential electric customers.
Springfield City Water Light & Power pays $100 per ton on a central air conditioner at ≥16.0 SEER, ≥12.5 EER, cooling capacity <72,000 Btuh.. After the rebate the typical price for a 3-ton central air conditioner is $6,600. Checked October 22, 2026. How to apply.
| Equipment | Minimum efficiency | Rebate |
|---|---|---|
| Central air conditioner | ≥16.0 SEER; ≥12.5 EER; cooling capacity <72,000 Btuh. | $100 per ton |
| Central air conditioner | 2 tons; chart shows 16.0 or 18.0 SEER; ≥12.5 EER. | $200 per system |
| Central air conditioner | 2.5 tons; chart shows 16.0 or 18.0 SEER; ≥12.5 EER. | $250 per system |
| Central air conditioner | 3 tons; chart shows 16.0 or 18.0 SEER; ≥12.5 EER. | $300 per system |
| Central air conditioner | 3.5 tons; chart shows 16.0 or 18.0 SEER; ≥12.5 EER. | $350 per system |
| Central air conditioner | 4 tons; chart shows 16.0 or 18.0 SEER; ≥12.5 EER. | $400 per system |
Every Program a Springfield Homeowner Can Use
- Federal 25C credit gives no credit for a 2026 install. Ended.
- High Efficiency Air Conditioner Rebate pays up to $450 per system. Open now.
- Residential Heat Pump Rebate Program pays up to $500 per ton of cooling capacity. Open now.
- Residential Heat Pump Rebate Program pays up to $500 per ton of cooling capacity. Open now.
What It Costs
All 7 systems, low to high
| System | Low | Typical | High | Range drawn |
|---|---|---|---|---|
| Central AC and gas furnace | ||||
| Central AC only, 3 ton 16 SEER | $4,150 | $6,900 | $9,700 | |
| Gas furnace only, 80,000 BTU 95% AFUE | $3,750 | $4,050 | $4,800 | |
| Heat pump, ducted | ||||
| 2-ton heat pump 15 SEER | $6,500 | $11,750 | $17,000 | |
| 3-ton heat pump 15 SEER | $7,450 | $13,350 | $19,250 | |
| 4-ton heat pump 15 SEER | $8,400 | $14,950 | $21,500 | |
| 5-ton heat pump 15 SEER | $9,400 | $16,550 | $23,700 | |
| Mini-split | ||||
| Mini-split, one zone, 12,000 BTU 20 SEER | $4,500 | $7,500 | $10,500 | |
Sources today: public baseline: NREL National Residential Efficiency Measures Database, 2024 release (read via hvacbase.org, 2026-10-19). Two more sources join as they arrive: Verified contractor ranges and homeowner-reported quotes. 2023 dollars, national. No metro factor is applied in this version. This city publishes no machine-readable permit feed, so no permit facts print. How prices are made.
Common Questions
How much does a 3-ton central air conditioner cost installed in Springfield?
The installed range is $4,150 to $9,700, with a typical price of $6,900. This is the national public baseline in 2023 dollars. After the rebate the typical price for a 3-ton central air conditioner is $6,600.
What does the Springfield City Water Light & Power central air conditioner rebate pay in 2026?
$100 per ton at ≥16.0 SEER, ≥12.5 EER, cooling capacity <72,000 Btuh., through High Efficiency Air Conditioner Rebate. Open. The High Efficiency Air Conditioner Rebate is available to CWLP residential electric customers.
Is there a federal tax credit for a 3-ton central air conditioner in 2026?
The IRS allows the credit for property placed in service before December 31, 2025. A heat pump installed in 2026 gets no federal credit. The utility rebate is the money on the table in 2026.
What do the other systems cost in Springfield?
A gas furnace runs $3,750 to $4,800, typical $4,050. A 3-ton heat pump runs $7,450 to $19,250, typical $13,350. A one-zone mini-split runs $4,500 to $10,500, typical $7,500. Each range is installed, before rebates.
What size and efficiency does the central air conditioner range assume?
The range is for the table row "Central AC only, 3 ton" at 16 SEER. The table on this page lists 7 systems from low to high, each with its own size and efficiency.
Contractors in Springfield
A Verified contractor is one that published its terms here.
Range quarter 2026-Q4, updated October 22, 2026. Last change: First pages: furnace, AC and heat pump ranges from the public baseline, and the state programs read from each provider. Changelog. Source page: https://hvacvisit.com/illinois/springfield/ac-replacement-cost. Cite a range with a link to the page it is on. Do not republish a page, a table or a dataset in full.