Not ready to call? Tell us what you need and we'll connect you with top-rated contractors.
“Multiple reviewers specifically mention purchasing new Lennox HVAC systems through the Costco buying program with Cool Air as the installer, noting strong…”
“The Lifetime Parts and Labor Warranty (including $0 repair fees for life) is the most frequently cited reason customers choose and stay with Coolray.…”
“Reviewers frequently mention following E. Smith technicians from one home to the next — an unusual indicator…”
“Customers frequently highlight specific technicians by name, especially Derrek Mitchell, for correctly…”
“Owner Mark's personal involvement in service calls is the most distinctive theme in Self Brothers' reviews —…”
“Positive reviews frequently praise technicians by name (Nick is highlighted for saving clients from…”
“"Honest" is the single most recurring word in Innovative Mechanical's reviews, appearing across multiple…”
“Reviewers praise the professionalism and responsiveness of RS Andrews technicians, particularly for HVAC…”
Typical repair costs for Marietta homeowners, by problem type.
| Service | Low | Average | High |
|---|---|---|---|
Diagnostic / service call Usually credited toward repair | $75 | $120 | $200 |
Refrigerant recharge (R-410A) | $150 | $350 | $700 |
Capacitor replacement | $120 | $250 | $450 |
Fan motor replacement | $250 | $450 | $700 |
Compressor replacement | $800 | $1,800 | $2,800 |
Evaporator coil repair | $400 | $900 | $1,500 |
Labor (hourly rate) Per hour during business hours | $75 | $110 | $150 |
Prices reflect humid subtropical metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
Marietta's humid subtropical climate puts consistent repair demand on AC systems — 47 days above 90°F with frequent heat-index readings above 100°F make a malfunctioning unit a real urgency in summer. The suburb's 10 active contractors average 4.4 stars across more than 27,700 reviews, giving homeowners a range of well-reviewed options.
AC repair diagnostics in Marietta typically run $75 to $200. Refrigerant recharges fall between $150 and $700, and capacitor replacements — a common summer failure point in Georgia's climate — generally cost $120 to $450. All Georgia AC contractors must hold the Class I or Class II license from the Georgia State Board of Conditioned Air Contractors before performing any repair work.
Three contractors stand out in Marietta AC repair reviews. Cool Air Mechanical's team is praised for honest assessments, with multiple reviewers noting accurate diagnoses that led to the right repair rather than an oversell. Technicians Jeremy and Wes at Coolray Heating & Air Conditioning receive specific praise for repair quality, and the company's Lifetime Parts and Labor Warranty gives customers additional confidence on repair calls. Bartlett Heating & Cooling's technicians — Evan, Mitchell, Willie, Bo, Stephen, and Josh — are each named individually in reviews, a pattern that reflects well-trained, accountable field staff rather than anonymous service teams.