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New central AC installation costs in Roswell, 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.
Roswell sits within the Atlanta metro, where warm, humid summers produce 47 days above 90°F and frequent heat-index readings over 100°F. That climate keeps air conditioning central to comfort year-round and drives steady demand for ac-installation Roswell. Five contractors serve the area; their collective profile carries an average 3.9 rating from 1,572 reviews, and three provide 24/7 service.
Prices for new system installations vary widely based on unit capacity, SEER rating, ductwork condition and labor complexity, so specific figures fluctuate and local listings did not supply numerical top cost items. Homeowners should expect higher bids for high-efficiency equipment and major duct revisions. Georgia requires HVAC contractors to hold a Class I (restricted) or Class II (unrestricted) license from the State Board of Conditioned Air Contractors, and permits are often required for replacement work.
Customer highlight details were not provided, so review patterns and market signals are useful. A 3.9 average across many reviews points to varied experiences; with three firms offering round-the-clock service, prioritize technicians who provide written estimates, documented warranties and proof of Class I/II licensing. Check for clear timelines, energy-savings projections and references for similar installations to reduce risk during peak summer demand.