Central AC replacement cost in 2026: what's normal, and what's not
Updated August 2026
for a full central AC replacement (outdoor condenser plus matching indoor coil), nationally. Larger homes, higher efficiency tiers, and ductwork changes push toward the top of the range.
These are ballparks, not quotes. They come from federal labor statistics (BLS wage data by state) combined with typical equipment pricing, so your actual quote depends on your home, your city, and what the job includes.
What actually moves the price
AC pricing moved noticeably in the last few years, and quotes for the same house can still land far apart. Here's what actually moves the number:
- The refrigerant transition. New systems now use newer refrigerants (R-454B or R-32) after the industry transitioned away from R-410A in 2025. New-generation equipment costs more than the units it replaced, which raised baseline prices across the board.
- Size, done properly. Cooling capacity should come from a load calculation (Manual J), not from matching the old unit. An oversized AC short-cycles and dehumidifies poorly, which feels clammy even when it's cold.
- Efficiency (SEER2). Federal minimums vary by region; mid-efficiency units are the common sweet spot, and very high SEER2 ratings carry a real premium that pays back slowly outside hot climates.
- Whether the indoor coil is included. Replacing only the outdoor unit against an old coil can mismatch the system, hurt efficiency, and complicate the warranty. Most full quotes include the coil; make sure you know if yours does.
- Labor rates where you live. Regional wages commonly move installed prices by 40 to 70% between low-wage and high-wage areas, and more at the extremes, before anything about your house enters the picture.
- Line set, electrical, and pad. Replacing the refrigerant lines, updating the disconnect or breaker, and setting a new pad are normal line items that should each be visible in the quote.
- Timing. The first heat wave of the season books every installer in town. Shoulder-season replacements are easier to schedule and often better priced.
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Central AC replacement cost by state
Installed ranges for a full system replacement (condenser plus coil), adjusted for each state's labor rates (BLS wage data, HVAC and related trades). Statewide averages: large metros usually run higher.
| State | Central AC, installed |
|---|---|
| Alabama | $3,850 to $10,200 |
| Alaska | $6,150 to $16,450 |
| Arizona | $4,350 to $11,650 |
| Arkansas | $3,750 to $9,950 |
| California | $5,800 to $15,500 |
| Colorado | $4,750 to $12,600 |
| Connecticut | $5,300 to $14,150 |
| Delaware | $4,550 to $12,100 |
| Washington, DC | $6,450 to $17,150 |
| Florida | $3,950 to $10,550 |
| Georgia | $4,250 to $11,300 |
| Hawaii | $6,300 to $16,800 |
| Idaho | $4,150 to $11,050 |
| Illinois | $6,050 to $16,100 |
| Indiana | $4,450 to $11,900 |
| Iowa | $4,650 to $12,350 |
| Kansas | $4,300 to $11,500 |
| Kentucky | $4,000 to $10,700 |
| Louisiana | $3,900 to $10,450 |
| Maine | $4,300 to $11,500 |
| Maryland | $5,100 to $13,550 |
| Massachusetts | $5,850 to $15,600 |
| Michigan | $4,850 to $12,950 |
| Minnesota | $5,500 to $14,650 |
| Mississippi | $3,650 to $9,700 |
| Missouri | $4,600 to $12,250 |
| Montana | $4,300 to $11,400 |
| Nebraska | $4,450 to $11,900 |
| Nevada | $4,800 to $12,850 |
| New Hampshire | $4,700 to $12,500 |
| New Jersey | $5,900 to $15,700 |
| New Mexico | $4,100 to $10,900 |
| New York | $5,650 to $15,100 |
| North Carolina | $4,050 to $10,800 |
| North Dakota | $5,050 to $13,450 |
| Ohio | $4,750 to $12,700 |
| Oklahoma | $4,000 to $10,700 |
| Oregon | $5,700 to $15,250 |
| Pennsylvania | $4,750 to $12,600 |
| Rhode Island | $5,200 to $13,800 |
| South Carolina | $4,050 to $10,800 |
| South Dakota | $3,850 to $10,300 |
| Tennessee | $3,950 to $10,550 |
| Texas | $4,200 to $11,150 |
| Utah | $4,300 to $11,400 |
| Vermont | $4,400 to $11,750 |
| Virginia | $4,500 to $12,000 |
| Washington | $6,100 to $16,300 |
| West Virginia | $3,700 to $9,850 |
| Wisconsin | $4,950 to $13,200 |
| Wyoming | $4,500 to $12,000 |
Repair it or replace it?
Most central AC systems last 12 to 17 years. The age of yours, and which refrigerant it uses, drive the call.
- Capacitors, contactors, fan motors: routine repairs at any age, typically $150 to $600 with labor. A system that won't start is often one of these, not a dead unit.
- A refrigerant leak on an R-22 system: R-22 stopped being produced in 2020, so topping off an old system is expensive and temporary. That money is usually better put toward replacement.
- A failed compressor out of warranty on a 12+ year system: usually the replacement moment. The repair alone can run a third or more of a new system's cost.
If you're not sure what refrigerant or tonnage you have, text Dun a photo of the label on the outdoor unit and it can tell you what you're working with.
Common questions
How long does an AC replacement take?
Usually one day for a straightforward swap of the condenser and indoor coil. Ductwork changes or electrical upgrades can add time.
Can I replace just the outdoor unit?
Sometimes, but usually not advisable. The outdoor condenser and indoor coil are designed as a matched pair; mixing a new condenser with an old coil can reduce efficiency, strain the compressor, and complicate the warranty. Most contractors quote both together for that reason.
What SEER2 rating should I get?
Federal minimums depend on your region, and mid-efficiency units just above the minimum are the common sweet spot for cost versus savings. Very high efficiency ratings carry a significant premium that pays back fastest in hot climates with long cooling seasons.
Should I consider a heat pump instead?
Worth pricing, especially if your furnace is also aging. A heat pump cools exactly like an AC and also heats, so one system can replace two. It costs more up front than an AC alone.
How long do central AC units last?
Typically 12 to 17 years. Coastal salt air and long cooling seasons shorten that; regular coil cleaning and annual service help extend it.
Why did my quotes come in so far apart?
Check whether each includes the indoor coil, the line set, and electrical work, and what SEER2 tier each is quoting. Two quotes that look far apart are often describing different jobs. Regional labor rates and brand tier explain most of the rest.
More cost guides
What other common jobs run, from the same data:
Cost figures are informational estimates based on public labor statistics and typical equipment pricing. They are not quotes, and Dun has not inspected your home.