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New central AC installation costs in Ridgeland, 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.
Savannah’s coastal climate shapes Ridgeland’s AC needs: summers routinely hit 91°F with humidity near 75%, pushing heat indices well above the mercury and creating heavy latent cooling loads from May through September, while mild winters keep heating demand low. That year-round need for reliable moisture control and capacity explains steady demand for ac-installation Ridgeland, serviced by six contractors averaging a 4.7 rating and five offering 24/7 support.
Specific cost entries for top installation items were not provided, so exact price ranges aren’t available here. Homeowners should expect variation based on system capacity, SEER rating, ductwork condition and labor scope. South Carolina requires contractors to hold the Mechanical Contractor (Group 2 — HVAC) license from the South Carolina Contractor’s Licensing Board (CLB), so confirm licensing before signing estimates and factor certified workmanship into cost comparisons.
Customer highlights were not supplied, so look for consistent themes in reviews: punctuality, clear load calculations, attention to moisture control and proper refrigerant charge, and documented warranties. Prioritize technicians who demonstrate proper sizing, discuss dehumidification strategies for coastal humidity, and provide transparent timelines. With multiple local firms and high average ratings, detailed estimates and license verification help separate good bids from incomplete proposals.