AC Replacement in McKinney, TX

How Much Does AC Replacement Cost in McKinney?

AC replacement in McKinney runs $8,000-$20,000+ depending on tier, tonnage, and ductwork condition. All three tiers are flat-rate — the price I quote during the free in-home estimate is the price you pay at install. Financing available with $0 down on approved credit.

Why McKinneyHomeowners Choose Frosty's for AC Replacement

McKinney replacement jobs fall into three very different buckets, and pricing each one honestly matters more here than almost anywhere else in DFW. The first is Historic Downtown McKinney — pre-1950 housing around the square. Those pier-and-beam homes were never designed for central HVAC, so retrofits often involve relocating the air handler, rerouting line sets, and dealing with crawlspace ductwork that may need full replacement. Manual J load calculation is non-negotiable here because the original retrofit guy from the 1980s almost certainly oversized the system. Dropping a 4-ton condenser onto a house that needs 2.5 tons is the #1 mistake I see in Historic Downtown.

The second bucket is Stonebridge Ranch (1988-2005). These master-planned homes are now 20-35 years old, which means original equipment is well past end of life and most second-generation systems are aging into replacement territory. The duct runs are usually long because of the larger lots, and ECM blower assemblies on the 2000s-era systems are right at the failure window. Stonebridge customers most often land on Stay Frosty (Carrier 18 SEER2 dual-stage). The third bucket is Craig Ranch (2000-2015) and Adriatica (2010s) — newer high-end builds where the original variable-speed equipment is just now showing wear. Those owners almost always upgrade to It's A Frosty Life (Trane 20+ SEER2 variable speed) because they're already used to the comfort level.

Every replacement includes a Frosty Thermostat (our smart WiFi thermostat — not Nuve), new disconnect box, electrical whip, overflow condensate shutoff, condensate drain treatment, copper line inspection (replaced if needed), permit, and full cleanup with haul-away. Labor warranty scales with the tier: 1-year on Stay Cool, 2-year on Stay Frosty, 5-year on It's A Frosty Life. All equipment comes with manufacturer warranty. Financing available through Optimus, Synchrony, and GreenSky — $0 down on approved credit.

Neighborhoods we serve in McKinney: Historic Downtown McKinney, Stonebridge Ranch, Craig Ranch, Adriatica