5 HVAC Repair Contractors in Marietta, GA
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Top-Rated HVAC Repair 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…”
Bartlett Heating & Cooling
“Bartlett's reviews are remarkable for their specificity — customers name individual technicians in almost every review. Evan, Mitchell, Willie, Bo, Stephen,…”
All HVAC Repair Contractors (5 total)
Air Force Heating & Air
“Customers frequently highlight specific technicians by name, especially Derrek Mitchell, for correctly…”
HVAC Repair Costs in Marietta
Typical heating and cooling repair costs in Marietta, by component.
| Service | Low | Average | High |
|---|---|---|---|
Diagnostic / service call | $75 | $120 | $200 |
Thermostat replacement | $150 | $275 | $500 |
Blower motor replacement | $400 | $650 | $1,100 |
Heat exchanger replacement | $1,500 | $2,200 | $3,500 |
Ignitor replacement (gas furnace) | $150 | $250 | $400 |
Control board replacement | $300 | $550 | $900 |
Full system repair (major) Multi-component failure | $500 | $1,200 | $3,000 |
Prices reflect humid subtropical metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
HVAC Repair in Marietta, GA: What to Expect
HVAC repair in Marietta covers both the cooling-heavy Atlanta summers — 47 days above 90°F with high humidity — and cold winters that make heating system failures equally urgent. The repair market here has 5 contractors at a 4.9 average rating across nearly 16,000 reviews, a focused group with a strong collective track record.
Repair costs in Marietta are in line with the Atlanta metro. Diagnostics and service calls typically run $75 to $200. Thermostat replacements fall between $150 and $500, while blower motor replacements — one of the more involved HVAC repairs — range from $400 to $1,100. Georgia's Class I or Class II license from the State Board of Conditioned Air Contractors is required for all repair work.
The three contractors most cited in Marietta HVAC repair reviews each bring specific strengths. Cool Air Mechanical's technicians are recognized for accurate diagnostics and honest scope recommendations. Bartlett Heating & Cooling's team — including Evan, Mitchell, Willie, Bo, Stephen, and Josh — each receive individual mentions in reviews for clear communication and professional conduct throughout the repair process. E. Smith Heating & Air Conditioning earns an unusual distinction: multiple reviewers describe tracking their technicians to new addresses as they move, which reflects a depth of trust built through consistent, reliable repair work over years.