How Much Does Central AC Installation Cost?
Updated for 2026 — national average costs with state-by-state breakdowns
What Does Central AC Installation Include?
Central air conditioning installation includes a condenser unit, evaporator coil, refrigerant lines, and thermostat. If you don't have existing ductwork, add $3,000-$7,000 for duct installation.
The national average cost for central ac installation is $6,500 per system. Most homeowners pay between $3,500 and $12,000, though costs can vary significantly based on your location, the scope of work, and other factors outlined below.
What Affects the Price?
System size
1.5-2 ton (1,000 sq ft): $3,500-$6,000. 3 ton (1,500 sq ft): $4,500-$8,000. 4-5 ton (2,500+ sq ft): $6,000-$12,000
Efficiency
14 SEER (standard): $3,500-$6,000. 16 SEER (mid-range): $5,000-$8,000. 20+ SEER (high-eff): $7,000-$12,000
Key Cost Factors
- ✓Home size (tons)
- ✓SEER rating
- ✓Ductwork needs
- ✓Brand
- ✓Installation complexity
💡 Tips to Save Money
- 1.Install in fall/winter off-season for 10-20% savings
- 2.14-16 SEER units offer the best value for most climates
- 3.Federal tax credits cover 30% of high-efficiency systems (up to $2,000)
- 4.Get 3+ quotes — AC installation pricing varies widely
📈 Central AC Installation Cost Trends (2020–2024)
Prices have increased +17.8% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $5,520 | — |
| 2021 | $5,752 | +4.2% |
| 2022 | $6,126 | +6.5% |
| 2023 | $6,298 | +2.8% |
| 2024 | $6,500 | +3.2% |
Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.
Central AC Installation Cost by State
Costs vary significantly by state due to labor rates, cost of living, and local market conditions. Click any state for a detailed breakdown.
| State | Low | Average | High |
|---|---|---|---|
| Alabama | $2,870 | $5,330 | $9,840 |
| Alaska | $4,480 | $8,320 | $15,360 |
| Arizona | $3,325 | $6,175 | $11,400 |
| Arkansas | $2,800 | $5,200 | $9,600 |
| California | $4,725 | $8,775 | $16,200 |
| Colorado | $3,780 | $7,020 | $12,960 |
| Connecticut | $4,270 | $7,930 | $14,640 |
| Delaware | $3,675 | $6,825 | $12,600 |
| Florida | $3,430 | $6,370 | $11,760 |
| Georgia | $3,150 | $5,850 | $10,800 |
| Hawaii | $4,970 | $9,230 | $17,040 |
| Idaho | $3,220 | $5,980 | $11,040 |
| Illinois | $3,675 | $6,825 | $12,600 |
| Indiana | $3,080 | $5,720 | $10,560 |
| Iowa | $3,010 | $5,590 | $10,320 |
| Kansas | $2,975 | $5,525 | $10,200 |
| Kentucky | $2,940 | $5,460 | $10,080 |
| Louisiana | $3,045 | $5,655 | $10,440 |
| Maine | $3,570 | $6,630 | $12,240 |
| Maryland | $4,025 | $7,475 | $13,800 |
| Massachusetts | $4,550 | $8,450 | $15,600 |
| Michigan | $3,220 | $5,980 | $11,040 |
| Minnesota | $3,570 | $6,630 | $12,240 |
| Mississippi | $2,730 | $5,070 | $9,360 |
| Missouri | $3,045 | $5,655 | $10,440 |
| Montana | $3,325 | $6,175 | $11,400 |
| Nebraska | $3,080 | $5,720 | $10,560 |
| Nevada | $3,570 | $6,630 | $12,240 |
| New Hampshire | $3,920 | $7,280 | $13,440 |
| New Jersey | $4,375 | $8,125 | $15,000 |
| New Mexico | $3,150 | $5,850 | $10,800 |
| New York | $4,620 | $8,580 | $15,840 |
| North Carolina | $3,150 | $5,850 | $10,800 |
| North Dakota | $3,150 | $5,850 | $10,800 |
| Ohio | $3,150 | $5,850 | $10,800 |
| Oklahoma | $2,905 | $5,395 | $9,960 |
| Oregon | $3,850 | $7,150 | $13,200 |
| Pennsylvania | $3,570 | $6,630 | $12,240 |
| Rhode Island | $4,025 | $7,475 | $13,800 |
| South Carolina | $3,045 | $5,655 | $10,440 |
| South Dakota | $2,975 | $5,525 | $10,200 |
| Tennessee | $3,010 | $5,590 | $10,320 |
| Texas | $3,255 | $6,045 | $11,160 |
| Utah | $3,325 | $6,175 | $11,400 |
| Vermont | $3,780 | $7,020 | $12,960 |
| Virginia | $3,675 | $6,825 | $12,600 |
| Washington | $4,025 | $7,475 | $13,800 |
| West Virginia | $2,800 | $5,200 | $9,600 |
| Wisconsin | $3,290 | $6,110 | $11,280 |
| Wyoming | $3,220 | $5,980 | $11,040 |
Frequently Asked Questions
How long does central AC last?
15-20 years with regular maintenance. Systems in hot climates (Florida, Arizona) may last 12-15 years due to higher usage. Annual maintenance ($75-$200) extends lifespan significantly.
🏙️ Central AC Installation Cost by City
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