7 AC Replacement Contractors in Mount Pleasant, SC
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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…”
Mt Pleasant Water Heaters and gas llc
“All eleven reviewers awarded 5-star ratings, with customers consistently praising both pricing transparency and technical expertise. Six reviewers specifically…”
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…”
Mini-Split Comfort Pro's Sc
“One five-star review describes the owner as providing amazing service with extremely reasonable prices,…”
EW Services, LLC
“All reviewer sentiment is positive: Stan's 5-star review praises the company for completing repairs rather…”
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
Charleston’s Lowcountry climate—hot, humid summers with 89°F highs, 78% humidity and strong Atlantic moisture—keeps cooling systems working hard and drives steady demand for ac-replacement Mount Pleasant. Sea breezes add latent loads from May through September while mild winters minimize heating needs. Salt air near waterways accelerates corrosion, so local homeowners rely on a small field of seven contractors averaging a 4.2 rating for timely replacements.
Exact costs for units and installation vary with system size, efficiency and corrosion-resistant materials; specific top-cost items aren’t listed here, but homeowners should expect higher prices for coastal-grade equipment and protective coatings. South Carolina law requires contractors to hold a Mechanical Contractor (Group 2 — HVAC) license from the Contractor’s Licensing Board, so verify credentials and ask for proof of coastal experience and detailed written estimates before signing.
Customer highlights aren’t provided in the supplied data, so prospective buyers should watch for consistent review themes: punctuality, clear warranties, documented corrosion prevention, and experience with high latent load systems. Request references for work near shorelines, confirm parts and labor warranties, and compare proposals that detail airflow balancing and moisture-control strategies to protect indoor comfort and equipment longevity.