AC Replacement Cost in Dover, DE (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.
Delaware Rebates in 2026
Enrollment for 2026 is open. Open. “Rebate offers are valid while funds are available and may be subject to change without prior notice.”
City of Dover Electric pays $100 per air conditioner on a central air conditioner at Split: SEER2 ≥15.2/EER2 ≥12.0. Packaged: SEER2 ≥15.2/EER2 ≥11.5.. After the rebate the typical price for a 3-ton central air conditioner is $6,800. Checked October 22, 2026. How to apply.
| Equipment | Minimum efficiency | Rebate |
|---|---|---|
| Central air conditioner | Split: SEER2 ≥15.2/EER2 ≥12.0. Packaged: SEER2 ≥15.2/EER2 ≥11.5. | $100 per air conditioner |
| Air-source heat pump | ENERGY STAR certified; qualifying product list. | $100 per heat pump |
| Smaller cold-climate heat pump | Less than two tons; qualifying NEEP product list. | $350 per heat pump |
| Larger cold-climate heat pump | Two or more tons; qualifying NEEP product list. | $750 per heat pump |
Every Program a Dover Homeowner Can Use
- Federal 25C credit gives no credit for a 2026 install. Ended.
- Home Energy Rebates pays up to $750 per heat pump. Open now.
- Assisted HPwES pays up to $3,300 per system. Open now.
- Home Performance with ENERGY STAR® pays up to $3,300 per system. Open now.
- Green Energy Program pays up to $900 per ton. Open now.
- HEAR has not published its amounts yet. Not open yet.
- Green Energy Program pays up to $900 per ton. Open now.
- HEAR has not published its amounts yet. Not open yet.
- Energize Delaware Marketplace pays up to $150 per thermostat. 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 Dover?
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 $6,800.
What does the City of Dover Electric central air conditioner rebate pay in 2026?
$100 per air conditioner at Split: SEER2 ≥15.2/EER2 ≥12.0. Packaged: SEER2 ≥15.2/EER2 ≥11.5., through Home Energy Rebates. Open. “Rebate offers are valid while funds are available and may be subject to change without prior notice.”
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 Dover?
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 Dover
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/delaware/dover/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.