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“Every reviewer awards 5 stars, with six of eight sampled reviews specifically naming Dennis and highlighting his same-day or weekend availability. Three…”
“Twenty-one reviewers collectively award a perfect 5.0 rating, with several specifically citing same-day emergency response times and transparent diagnostics as…”
“All three reviews award five stars, with each client specifically naming technician Greg by name across Mount…”
“The four customer reviews present a divided picture: two five-star ratings from Margaret Halladay and Charles…”
“One five-star review describes the owner as providing amazing service with extremely reasonable prices,…”
New central AC installation costs in Mount Pleasant, by system type and brand.
| Service | Low | Average | High |
|---|---|---|---|
Window unit | $150 | $350 | $700 |
Ductless mini-split (single zone) | $2,000 | $4,500 | $8,000 |
Central AC replacement (existing ducts) | $3,500 | $6,500 | $12,000 |
Central AC new install (with ductwork) | $7,000 | $12,000 | $20,000 |
Carrier (residential) | $3,800 | $6,200 | $10,500 |
Trane (residential) | $5,000 | $8,800 | $13,600 |
Lennox (residential) | $3,500 | $6,500 | $12,000 |
Rheem (residential) | $3,200 | $5,500 | $9,000 |
Prices reflect humid subtropical metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
Charleston’s Lowcountry heat and humidity shape ac-installation Mount Pleasant demand: long stretches of 89°F highs and 78% humidity push latent cooling loads from May through September, while mild winters keep heating needs low. Atlantic moisture and salt air accelerate corrosion near waterways, so even with seven local contractors averaging a 4.1 rating from 141 reviews, timely replacements and robust corrosion protection are essential.
Prices depend heavily on system capacity, SEER efficiency, retrofit ductwork, and corrosion-resistant materials; expect higher bids for coastal-grade coatings and stainless components. South Carolina requires a Mechanical Contractor (Group 2 — HVAC) license from the Contractor’s Licensing Board, so verify licensure and ask whether quoted work includes installation labor, permits, and extended warranties. Note no local firms advertise 24/7 availability.
Customer-specific technician names were not provided, so evaluate firms by review patterns and service details: look for repeat praise for punctuality, clear estimates, proactive maintenance plans, and corrosion mitigation. Prioritize contractors who document materials, offer seasonal tune-ups, and provide service agreements that address coastal exposures and moisture control to protect performance year-round.