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

The cost to install central air with ductwork is not a flat price; Deer Valley Plumbing & Air Conditioning confirms final pricing after an on-site evaluation of your home and duct needs. Most variation comes from how much ductwork is required and the size and efficiency of the system needed to cool the space.

Our $89 A/C Install Diagnostic includes a full assessment and a Next Day Guarantee on service options, and we perform this work regularly for homeowners in the West Valley, including Sun City West. A technician’s check of static pressure and airflow often decides whether any existing ducts can be reused safely and efficiently.

Expect your quote to reflect:

• Duct length, material, and any sealing or replacement needs
• System capacity and efficiency rating selected
• Access limits in attics or crawlspaces and any electrical upgrades
• Thermostat or indoor air quality add-ons

For an exact price, book the diagnostic so we can measure loads, inspect ducts, and provide a firm written quote.

Updated: 2026-04-24

Need help in Sun City West, AZ? Call (602) 899-0899 or book online. "I'm very impressed with his kindness, dedication and ability to fix several issues." — Kathy K.