5 HVAC Repair Contractors in McDonough, GA

3.8 avg rating
721 total reviews

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Top-Rated HVAC Repair Contractors in McDonough

#1

Jenkins Heating & Cooling

5.0(399 reviews)
Highly Rated

All 399 reviews carry 5-star ratings, with at least two customers specifically mentioning same-day service response. Twelve reviewers across the sample cite…

3374 Hwy 81 E, McDonough, GA 30252
#2

My Aire Heating and Cooling of McDonough

4.9(174 reviews)
Highly Rated

Of 174 reviews, nearly all contribute to the 4.9-star average, with positive reviews highlighting efficient service and quality parts while the sole 1-star…

2495 McGarity Rd Suite B, McDonough, GA 30252
#3

One Call Heating and Cooling

4.8(140 reviews)
Highly Rated

All seven featured reviewers awarded 5 stars, with three specifically notinghonest pricing and refusal to recommend repairs customers do not need. Technicians…

89 Jonesboro St, McDonough, GA 30253

All HVAC Repair Contractors (5 total)

AG Stone Mountain Heating & Air

4.5(8)

Five of six detailed reviews award five-star ratings, with customers frequently highlighting same-day…

3655 Turner Church Rd, McDonough, GA 30252

McDonough Heating and Air

0.0
2306 Jonesboro Rd, McDonough, GA 30253

HVAC Repair Costs in McDonough

Typical heating and cooling repair costs in McDonough, by component.

ServiceLowAverageHigh
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 McDonough, GA: What to Expect

McDonough homeowners face hot, humid summers with roughly 47 days above 90°F and frequent heat-index readings over 100°F, driving steady demand for reliable cooling service alongside routine heating season care. That demand shows up locally: five contractors serve the area with an average rating of 3.8, so searches for hvac-repair McDonough are common during peak months in the Atlanta metro.

Clear cost figures from local top-cost items aren’t available in the supplied data, but residents should expect pricing to vary by system age, scope of repair, and whether service is needed after hours; note that none of the listed providers advertise 24/7 availability. Georgia requires HVAC contractors to hold either a Class I (restricted) or Class II (unrestricted) license from the State Board of Conditioned Air Contractors, and any estimate should confirm that licensing before work begins.

Customer highlight details weren’t provided, so prospective clients should judge providers by patterns in reviews: responsiveness, clarity of estimates, and follow-through on promised repairs. Ask specifically about warranty on parts and labor, planned maintenance plans to reduce emergency calls, and the technician’s experience with your unit model. Prioritize documented licensing, written bids, and clear timelines when choosing a contractor.

Frequently Asked Questions

HVAC repairs in McDonough range from $75-$3,500 depending on the component. Thermostat replacement runs $150-$500, blower motor $400-$1,100, ignitor $150-$400, and heat exchanger replacement $1,500-$3,500. Diagnostic fees of $75-$200 are typically credited toward the repair if you proceed.