How much does it cost to install a central air conditioner?

Installing a central air conditioner is priced after an in-home assessment because system size, efficiency, and any needed home modifications determine the total. Most systems take about a day to install, and Southern Comfort Mechanical provides transparent, free estimates before work begins; promotional financing is available for qualified homeowners. We help homeowners in the Frisco area choose right-sized equipment without surprises.

Key factors that influence your installation price:

• Equipment capacity and efficiency rating (how much cooling and how efficient the unit is)
• Ductwork condition or changes (repairs, resizing, or sealing)
• Add-ons like smart thermostats, zoning, or indoor air quality upgrades
• Electrical or refrigerant line updates required by code or layout

For brand planning, our team installs leading options including Lennox and Trane. Final pricing is confirmed after an on-site evaluation of your home and system needs.

Schedule a free in-home estimate to get a firm price for your home. <br/> Updated: 2026-03-31 <br/> Need help in Frisco, TX? Call (469) 515-7987 or book online. “Easily the best experience that we have had with an AC company in our 20 years living in the area.” — Michael G.