AC Installation in Marietta, GA
10 AC Installation Contractors in Marietta, GA
Top-Rated AC Installation Contractors in Marietta
Cool Air Mechanical
“Multiple reviewers specifically mention purchasing new Lennox HVAC systems through the Costco buying program with Cool Air as the installer, noting strong…”
Coolray Heating & Air Conditioning
“The Lifetime Parts and Labor Warranty (including $0 repair fees for life) is the most frequently cited reason customers choose and stay with Coolray.…”
All AC Installation Contractors (10 total)
E. Smith Heating & Air Conditioning
“Reviewers frequently mention following E. Smith technicians from one home to the next — an unusual indicator…”
Air Force Heating & Air
“Customers frequently highlight specific technicians by name, especially Derrek Mitchell, for correctly…”
Self Brothers Heating & Cooling
“Owner Mark's personal involvement in service calls is the most distinctive theme in Self Brothers' reviews —…”
ANYTIME HEATING, COOLING AND PLUMBING
“Positive reviews frequently praise technicians by name (Nick is highlighted for saving clients from…”
Innovative Mechanical, LLC
“"Honest" is the single most recurring word in Innovative Mechanical's reviews, appearing across multiple…”
RS Andrews
“Reviewers praise the professionalism and responsiveness of RS Andrews technicians, particularly for HVAC…”
AC Installation Costs in Marietta
New central AC installation costs in Marietta, 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.
AC Installation in Marietta, GA: What to Expect
Marietta is a well-established suburb northwest of Atlanta, sharing the metro's humid subtropical climate — 47 days above 90°F each summer with heat-index readings that regularly push above 100°F due to persistent moisture. Winters are cold enough to require heating. With 10 contractors and a 4.4 average rating across more than 27,700 reviews, Marietta has one of the more competitive suburban markets in this dataset.
AC installation pricing in Marietta follows Atlanta metro norms. Window units run $150 to $700 installed. Ductless mini-splits (single zone) typically fall between $2,000 and $8,000, and central AC replacement with existing ductwork runs $3,500 to $12,000. Georgia contractors must hold the Class I or Class II license from the Georgia State Board of Conditioned Air Contractors.
Several Marietta contractors are known for standout installation experiences. Cool Air Mechanical handles Lennox installations through the Costco buying program, with reviewers noting competitive pricing and smooth installs. Bartlett Heating & Cooling is remarkable for individual technician recognition — Evan, Mitchell, Willie, Bo, Stephen, and Josh are each named across reviews for consistent quality and professionalism throughout the installation process. At Coolray Heating & Air Conditioning, the Lifetime Parts and Labor Warranty with zero repair fees is the most-cited reason customers choose them for new system installations and then stay long-term.