7 AC Replacement Contractors in Mount Pleasant, SC
Top-Rated AC Replacement Contractors in Mount Pleasant
McAtee Plumbing Heating & Cooling
“Eight reviewers awarded perfect 5-star ratings, with each positive review specifically naming the technician who performed service. Technicians mentioned…”
All AC Replacement Contractors (7 total)
Fresh & Clean Heating and Air
“Two of three reviewers awarded five-star ratings, with both calling out Sim by name and praising his…”
EW Services, LLC
“All reviewer sentiment is positive: Stan's 5-star review praises the company for completing repairs rather…”
Mini-Split Comfort Pro's Sc
“One five-star review describes the owner as providing amazing service with extremely reasonable prices,…”
AC Replacement Costs in Mount Pleasant
Replacement costs for aging systems in Mount Pleasant. 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 Mount Pleasant, SC: What to Expect
Mount Pleasant's coastal South Carolina climate presents persistent HVAC challenges. Hot humid summers push daytime highs to 89 F with humidity near 78%, creating heavy latent cooling loads from May through September while mild winters keep heating demand minimal year-round. Salt air accelerates equipment corrosion, making AC Replacement in Mount Pleasant a frequent necessity for coastal property owners. Seven licensed contractors serve the area with an average rating of 4.2 gathered across 8,569 customer reviews, reflecting a market where dependable cooling performance directly impacts home comfort.
SC requires HVAC contractors to hold a Mechanical Contractor license from the state Licensing Board before performing replacement work. For Mount Pleasant homeowners, a standard 3-ton central AC system typically ranges from $5500-$11000, while 4-ton mid-efficiency units run $7500-$14000 and premium 5-ton high-efficiency models reach $9500-$16000, with final costs depending on existing infrastructure and efficiency specifications.
Review patterns reveal distinct service strengths among top-rated contractors. McAtee Plumbing Heating & Cooling earns consistent mentions for assigning named technicians like James, Jason, Nick, and Riley, with several reviewers awarding perfect scores while highlighting specific staff members. Mt Pleasant Water Heaters and Gas LLC draws repeated praise for pricing transparency, with six reviewers specifically noting competitive or lower costs alongside technical expertise. Revival Heating and Air's technician Greg appears across multiple reviews mentioning diagnostic thoroughness, suggesting methodical problem identification valued by Charleston-area customers.