The average air conditioner replacement cost in Greenville ranges $4,500-$12,500 for a standard system. Most Upstate homes pay around $7,800 for a 3-ton 15 SEER2 install including equipment, labor, permits, and disposal. See our full AC replacement service for what’s included.
Sizing, SEER2, duct condition, and electrical panel drive the final number. Undersized units short-cycle in Piedmont humidity, oversized units leave you clammy. Unsure whether to fix or swap? Use our repair vs replace 50% rule.
What drives cost in Greenville County?
Equipment is 55-65% of the invoice, labor and permits the rest. Duct leaks, R-22 legacy lines, and panel upgrades add $1,000-$3,500. Considering electrification? Compare heat pump installation costs – many Greenville homes save with dual-fuel.
Next steps
If your system is 12-15 years old, needs R-22, or quotes exceed half of new, get a Manual J load calculation and itemized estimate with free second opinion from MD Heating & Air.