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

Installing central air with new ductwork is priced case by case and is confirmed after an in‑home evaluation. The biggest cost driver is the size of the home and how much new ductwork must be designed, fabricated, and sealed to deliver proper airflow.

We handle permitting and code requirements across the Charleston area and walk you through options before any work begins. A current $500 OFF AC installation coupon is available. In older homes, reusing sound duct runs can help, but undersized or leaky ducts will raise operating costs and comfort issues.

  • Key factors that affect price:
  • Home size and room layout (cooling load and vent count)
  • Ductwork scope and insulation needs (new vs. modifications)
  • Equipment efficiency level and accessories (SEER, zoning, IAQ add‑ons)
  • Accessibility, electrical upgrades, and disposal of old equipment

Schedule an on‑site assessment to receive a precise, written all‑in quote.

Updated: 2026-04-22

Need help in North Charleston, SC? Call (843) 212-7515 or book online.

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