🌡️ How Much Does AC Replacement Cost in 2026?

Most homeowners pay between $4,500 and $12,000 for a central AC replacement in 2026, with the average landing around $7,000 to $8,500.

What Drives the Price Range

System size (tonnage). A 1,500 square foot home needs 2 to 2.5 tons. A 3,000 square foot home needs 4 to 5 tons. Larger systems cost more.

Efficiency (SEER2 rating). The federal minimum is 14.3 SEER2. Higher efficiency units (18 to 22 SEER2) cost $2,000 to $4,000 more but reduce monthly energy bills by $150 to $400 per year.

Brand tier. Budget brands (Goodman, Heil) cost 20 to 35 percent less than premium brands (Carrier, Trane, Lennox) for similar specs.

Regional labor rates. Labor in the Northeast or California runs 40 to 60 percent higher than the Southeast or Midwest.

How to Get the Best Price on AC Replacement

Get at least three quotes. The range between lowest and highest quote for the same job is often $2,000 to $3,000. Get quotes in fall or spring when contractors are less busy — many offer 5 to 15 percent off-season discounts. Ask about manufacturer rebates, which often run $300 to $800 on higher-efficiency equipment.

Use QuoteScore to instantly benchmark any AC replacement quote against real market data for your region.