How much does it cost to install central air with ductwork?

The cost to install central air with new ductwork is set after an in‑home evaluation because price varies by home size, duct design, and equipment choices. The biggest driver is the system capacity (tonnage) your home needs, followed by how extensive and accessible the new duct runs will be. Labor, material quality, and efficiency features influence total investment more than any single part. A well‑planned trunk‑and‑branch layout often lets you use quieter, smaller equipment without hot and cold spots. Our Fort Wayne team regularly completes full installs and replacements and serves homeowners in the Kendallville area.

When we price these projects, we look at:

• Number of supply registers and return grilles needed
• Duct length, material, sealing, and access (attic, crawlspace, slab)
• AC efficiency rating, coil and furnace/air handler pairing, and line‑set needs
• Add‑ons like smart thermostats or indoor‑air upgrades (filters, UV, humidity)

Schedule a free evaluation for AC replacement to assess replacement costs and needs. <br/> Updated: 2026-05-05 <br/> Need help in Kendallville, IN? Call (260) 222-8183 or book online.