HVAC cost guide

AC Unit Replacement Cost in 2026: Central AC System Benchmark

Typical 2026 central AC unit replacement costs: $4,200 to $8,500 national average ($5,800 median). Compare 2.5 to 5-ton condensers, SEER2 tiers, and labor.

Cost Snapshot

$4,200 – $8,500

Typical planning range based on the published references reviewed for this guide.

Use this estimate to prepare questions and compare written, itemized contractor proposals. Actual costs vary with project scope, materials, access, permits, and local conditions.