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

The cost to install central air with new ductwork varies and is finalized after an in-home assessment because equipment sizing, duct layout, and your home’s design drive price. Most of the variation comes from the home’s square footage and how extensive the new duct network must be. Our installers regularly complete full central AC and duct projects in the Dacono area, and we handle HVAC and related electrical work in-house so the plan is coordinated end to end. A small but important detail we check early is return-air capacity; adding the right returns often improves comfort more than upsizing the outdoor unit.

Typical cost drivers we measure during the estimate include:

• Number and placement of supply registers and return grilles
• Duct lengths and material (rigid metal vs flex) and insulation needs
• Electrical panel capacity and dedicated circuit requirements
• Add-ons like zoning, smart thermostats, or indoor air quality accessories

Book a load calculation and duct evaluation to receive a precise, written quote before any work begins.

Updated: 2026-06-29

Need help in Dacono, CO? Call (720) 994-7055 or book online.