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“Reviewers consistently award five stars, with multiple citations specifically naming Stan Bailey and praising the installation expertise of Luis Alvarez and…”
“Among visible reviews, 2 of 4 reviewers awarded 5 stars citing installation quality, technician professionalism, and diagnostic thoroughness. One negative…”
“2850 reviews produce a 4.8-star average rating, with positive feedback emphasizing technician communication…”
“Across 1,755 five-star reviews, customers repeatedly mention Bartlett's honest approach and refusal to upsell…”
“Among reviewers who left detailed accounts, two technicians are named repeatedly: Alex earns praise for depth…”
“Six hundred fifty-seven reviews yielding a perfect 5.0 average rating, with every visible five-star narrative…”
“634 reviews yield a perfect 5-star average, with multiple reviewers noting same-day or within-24-hour…”
“Two of three detailed reviews specifically name Kendrick as their service advisor, praising his patience and…”
“Every five-star review names at least one staff member by name. 4 of 6 sampled reviewers mention the team…”
“Across 719 reviews, technicians Eryk, Jos , Mike, and Derrick receive consistent praise for professionalism…”
“Every one of the 514 reviews awards five stars, and across scenarios ranging from same-day furnace…”
“Every reviewer who mentioned a technician by name called out either Ty or Cassandra for professionalism and…”
“Five distinct reviewers all award five stars, with two specifically naming Ali as a technician who delivered…”
“All 249 reviewers awarded five stars, with customer comments consistently praising honest assessments and…”
“All 185 reviews carry five-star ratings, with three named technicians, Arshia, Chase Kirn, and teams…”
“Every reviewer awarded a perfect 5-star rating, with 3 clients specifically naming technicians Greg or their…”
“Across 200 reviews holding a 4.6-star average, customers repeatedly mention three technicians by name: Carl…”
“All reviewers rated their experience 5 stars, with customers specifically naming technicians Josh, Thomas…”
“135 reviewers awarded an average of 4.7 stars, with Justin named across nearly every positive account.…”
“All five named reviews award 5 stars, with three customers specifically praising Scott Dickerson's technical…”
“Five-star reviews dominate the feedback, with 60 ratings averaging 4.9 stars. Andrew Graham earns consistent…”
“All three full reviews award 5 stars, with each story describing a specific repair scenario: transmission…”
“Thirty-five reviews produce a 4.9-star average, with 8 clients specifically praising same-day service…”
“Four of six detailed reviewers describe the company as straightforward and honest, avoiding upselling. Three…”
“Five verified five-star reviews uniformly praise premium materials at fair prices and thorough diagnostics.…”
“6 of 7 recent reviews assign 1-star ratings citing reckless or unsafe driving by company vehicles, while the…”
“All 16 reviews carry 5 stars, with each narrator identifying either Tiger, George, or Steve as the…”
“All thirteen reviewers award five stars, with multiple customers specifically naming technicians Chris, Alex,…”
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 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.
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