5 AC Replacement Contractors in Fort Mill, SC
Top-Rated AC Replacement Contractors in Fort Mill
E.R. Services
“The overwhelming majority of 1,238 reviews award 5 stars, with customers specifically naming technicians Bo Sadler, Damon, Brian, Kevin, William, and Joao for…”
Keller Heating and Air
“All sampled reviewers awarded 5-star ratings, with multiple customers specifically naming technicians Kelly and Jonathan. Several reviews explicitly praise the…”
All AC Replacement Contractors (5 total)
Alexander's Heating & Cooling Fort Mill, SC
“Eight of eight reviews award 5 stars, with multiple clients emphasizing same-day emergency arrival and…”
AC Replacement Costs in Fort Mill
Replacement costs for aging systems in Fort Mill. If repair cost exceeds 50% of replacement, replacement is usually more economical.
| Service | Low | Average | High |
|---|---|---|---|
Central AC (3-ton, basic) | $5,500 | $8,000 | $11,000 |
Central AC (4-ton, mid-efficiency) | $7,500 | $10,500 | $14,000 |
Central AC (5-ton, high-efficiency) | $9,500 | $12,500 | $16,000 |
Full HVAC system (AC + furnace) | $11,590 | $13,430 | $14,100 |
Plus ductwork replacement If existing ducts are aged/leaking | $2,100 | $3,000 | $4,000 |
| Repair cost threshold | 50% rule: if repair > 50% of replacement, replace | ||
Prices reflect humid subtropical metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
AC Replacement in Fort Mill, SC: What to Expect
Living in Fort Mill means dealing with a climate that keeps HVAC systems working year-round. Summer brings genuine heat, with temperatures regularly hitting 90 F and over a month above that threshold, while winters drop to freezing with ice events that test heating equipment. The rapid residential growth across the Charlotte metro corridor has created steady demand for system upgrades, and homeowners in the area need contractors who understand both cooling loads and heating needs equally. Five HVAC contractors serve Fort Mill with an average rating of 4.4 stars based on nearly 1,400 reviews, meaning quality options exist for anyone searching for AC Replacement in Fort Mill.
The cost of a new central AC system varies significantly based on system size and efficiency. A basic 3-ton unit runs between $5,500 and $11,000, while a mid-efficiency 4-ton system costs $7,500 to $14,000. Homeowners seeking maximum efficiency with a 5-ton unit should budget between $9,500 and $16,000. All legitimate contractors in South Carolina must hold a Mechanical Contractor license from the state's Licensing Board, which provides accountability for homeowners investing in these major systems.
Customer feedback reveals clear distinctions among local contractors. E.R. Services receives consistent praise for professionalism, with reviewers specifically mentioning technicians Bo Sadler, Damon, Brian, Kevin, William, and Joao. Keller Heating and Air earns strong recommendations for its honest approach, with technicians Kelly and Jonathan named repeatedly in five-star reviews. Austin Company shows mixed results, as three reviewers note communication or scheduling concerns, though five customers award full marks and cite technicians Anthony, Alfred, and Matt Regets.