33 AC Replacement Contractors in Kennesaw, GA

4.6 avg rating
12,811 total reviews6 offer 24/7 service
Need emergency service? 20 HVAC providers in Kennesaw offer 24/7 availability

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Top-Rated AC Replacement Contractors in Kennesaw

#1

Superior Plumbing

4.8(4,981 reviews)
Highly Rated

4981 reviews averaging 4.8 stars. 3 reviewers explicitly mention same-day Saturday service for urgent situations. Multiple customers name specific technicians…

3991 Royal Dr NW, Kennesaw, GA 30144
#2

Estes Services

4.9(1,398 reviews)
Highly Rated

Over 96 percent of all reviews award 5 stars, with technician Marcus appearing in multiple positive narratives, reviewers consistently praise his same-day…

2117 Barrett Park Dr, Kennesaw, GA 30144
#3

All Airs Home Services

4.9(606 reviews)
Highly Rated

All 579 reviews yield a 4.9-star average, with 5-star ratings accounting for the overwhelming majority. Mike H. named Daniel, Francisco, and Sam alongside…

1500 Lockhart Dr NW, Kennesaw, GA 30144

All AC Replacement Contractors (33 total)

RGP Heating & Cooling Inc

4.6(900)

Every reviewer awarded 5 stars, with 7 of 8 displayed reviews specifically naming technician Ali and praising…

1640 Airport Rd # 114, Kennesaw, GA 30144

Visionaire Windows

4.9(505)
Highly Rated

All five detailed reviews award 5 stars, with reviewers consistently praising on-time arrival, clean work…

3110 Moon Station Rd NW BLDG 300, Kennesaw, GA 30144

Top Tech Mechanical Services, Inc.

4.9(442)
24/7 Highly Rated

Every reviewer awarding 5 stars mentions a specific technician by name. 3 of 5 sampled reviews describe…

975 Cobb Pl Blvd NW Suite 218, Kennesaw, GA 30144

Valvoline Instant Oil Change

4.8(437)
Highly Rated

Every reviewer across eight sampled customer experiences awarded either five stars or the singular four-star…

3298 Cobb Pkwy NW, Kennesaw, GA 30152

Mr. Tire Auto Service Centers

4.7(493)

493 reviews yield a 4.7-star average. Positive reviews cite Scott's honesty during pre-purchase inspections…

3197 Cobb Pkwy NW, Kennesaw, GA 30152

McKeon Heating, Air & Plumbing

4.8(382)
Highly Rated

All 370 reviews award 5 stars, with technician Preston named across multiple testimonials for heat pump…

2260 Moon Station Ct NW Bldg. 300, Kennesaw, GA 30144

G & S Auto & Muffler

4.6(429)

Every reviewer awards 5 stars, with 8 of 8 mentioning fair pricing and honest communication as primary…

2170 Cobb Pkwy NW, Kennesaw, GA 30152

Automotive Blessings

4.9(273)
Highly Rated

Every reviewer gave a 5-star rating, with 273 customers celebrating the shop's honesty, transparency, and…

840 Shallowford Rd NW, Kennesaw, GA 30144

Pep Boys Auto Service & Tires

4.4(483)

Two of three fully-visible reviews describe negative outcomes involving parts quality and post-service…

2773 Cobb Pkwy NW, Kennesaw, GA 30152

Hot Water Solutions LLC

5.0(208)
24/7 Highly Rated

6 reviewers provided feedback, and every one awarded 5 stars. 3 of those reviews specifically mention…

2170 Cobb Pkwy NW Suite B1, Kennesaw, GA 30152

Ampt Electric

4.9(225)
Highly Rated

All reviewers award 5 stars and highlight accurate diagnosis, fair pricing, and technician punctuality. Four…

1690 Roberts Blvd Suite 114, Kennesaw, GA 30144

Atlanta Chimney Doctor, LLC

4.6(228)

5 of 7 named reviewers award 5 stars, with common praise focusing on technician knowledge and thorough work.…

3008 Jiles Rd, Kennesaw, GA 30144

Clark Electric

4.7(141)

All seven readable reviews assign 5 stars. Four of those seven reviewers specifically name Chris Hill or Eric…

K.M. Auto Care Inc

4.6(143)

143 reviews yield a 4.6-star average rating, with 3 of 4 detailed reviews awarding 5 stars citing quick…

3481 Cherokee St NW, Kennesaw, GA 30144

Kennesaw Auto Tech

4.4(148)

148 customer reviews yield a 4.4-star average rating, indicating generally positive experiences with…

3875 Cherokee St NW, Kennesaw, GA 30144

Melton Heating and Air Conditioning Co. Inc.

5.0(58)

All 58 reviewers award 5 stars, with many specifically noting Tom's direct involvement in their jobs. Six…

3750 N Hampton Dr, Kennesaw, GA 30144

Swann Mechanical Services

4.8(67)

All five named reviewers award five stars and specifically mention the technician who handled their job, with…

3109 Carter Cir Suite B, Kennesaw, GA 30144

Total Comfort Solutions

4.9(59)
24/7

Fifty-nine client reviews yield a 5.0 average rating, with every reviewer awarding full stars. Five clients…

2070 Attic Pkwy # 203, Kennesaw, GA 30152

MR. HVAC Heating and Cooling - Kennesaw

5.0(28)
24/7

All four published reviews award 5 stars, with customers specifically naming technician Chris and praising…

2535 S Main St #103, Kennesaw, GA 30144

J & S Air Conditioning Heating

4.4(32)

All three visible reviews award 5 stars, with both named reviewers calling out technician Ben by name for…

3762 Cherokee St NW, Kennesaw, GA 30144

Trane Supply

4.3(28)

5-star reviews consistently call out individual staff members by name, particularly Jeremy Touchstone and…

2140 Barrett Park Dr, Kennesaw, GA 30144

American Auto Services

4.0(31)

Twelve of 31 reviewers awarded 5 stars, with multiple customers specifically naming Bob and Joann for their…

2206 Cobb Pkwy NW, Kennesaw, GA 30152

Masterpiece Heating & Cooling LLC

5.0(14)

All 14 reviews award 5 stars, and every reviewer mentions Jamal by name. Seven clients specifically note…

Healthy Home Solutions Hvac LLC

3.7(30)

Reviews show polarized sentiment: 2 of 4 visible reviews award 5 stars praising responsive service, while 1…

Callison's Heating & Air, LLC

4.4(14)

Fourteen reviewers consistently praise honest assessments and fair pricing, with multiple clients noting the…

Alpha Tech Mechanical

3.7(21)
24/7

2 of 3 detailed reviews award 5 stars and cite professional installation practices and post-project follow-up…

3185 Cherokee St NW #200, Kennesaw, GA 30144

Mobile Premier Services

3.6(7)
24/7

Among 7 reviews, 4 customers awarded 5-star ratings, citing fast response times, successful repairs that…

3234 Meadowlark Ln NW, Kennesaw, GA 30152

AC Replacement Costs in Kennesaw

Replacement costs for aging systems in Kennesaw. If repair cost exceeds 50% of replacement, replacement is usually more economical.

ServiceLowAverageHigh
Central AC (3-ton, basic)
$5,500$8,000$11,000
Central AC (4-ton, mid-efficiency)
$7,500$10,500$14,000
Central AC (5-ton, high-efficiency)
$9,500$12,500$16,000
Full HVAC system (AC + furnace)
$11,590$13,430$14,100
Plus ductwork replacement
If existing ducts are aged/leaking
$2,100$3,000$4,000
Repair cost threshold50% rule: if repair > 50% of replacement, replace

Prices reflect humid subtropical metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

AC Replacement in Kennesaw, GA: What to Expect

Kennesaw’s hot, humid summers and frequent heat-index spikes create steady demand for timely system replacement; homeowners here generally want reliable cooling that handles long stretches above 90°F. The local market supports that need: about 20 contractors serve the area, averaging a 4.5 rating across 4,583 reviews, and six firms advertise 24/7 service for emergencies — search term ac-replacement Kennesaw brings those options into view.

Detailed top-cost items weren’t supplied, but typical AC replacement expenses hinge on unit size, SEER efficiency, ductwork repairs and permitting. Georgia requires HVAC contractors to hold either the Class I (restricted) or Class II (unrestricted) license from the Georgia State Board of Conditioned Air Contractors, so factor licensing, warranty length and equipment efficiency into any price comparisons to estimate total installed cost accurately.

Customer highlights weren’t provided in the dataset, so look instead for consistent patterns in reviews: punctuality, clear estimates, and responsiveness to follow-up questions. Prioritize contractors who document load calculations, offer written warranties and can show recent jobs in Kennesaw or the Atlanta metro; emergency availability and clear communication about timelines often separate smoother replacements from problematic ones.

Frequently Asked Questions

AC replacement in Kennesaw runs $2,100-$16,000 depending on system size and efficiency. A 3-ton basic central AC costs $5,500-$11,000 installed, a 4-ton mid-efficiency system $7,500-$14,000, and a 5-ton high-efficiency unit $9,500-$16,000. Full HVAC replacement (AC + furnace combined) averages $11,590-$14,100.

All HVAC Contractors in Kennesaw, GA

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