66 AC Replacement Contractors in Lexington, KY

4.9 avg rating
9,478 total reviews14 offer 24/7 service
Need emergency service? 47 HVAC providers in Lexington offer 24/7 availability

Top-Rated AC Replacement Contractors in Lexington

#1

Bryant Heating, Cooling, Plumbing & Electric

4.8(4,225 reviews)
24/7 Highly Rated

All six detailed reviews award 5 stars. Three reviewers specifically mention same-day or rapid response service. Technicians named across positive reviews…

253 Blue Sky Pkwy, Lexington, KY 40509
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#2

Mr Rooter Plumbing of Lexington KY

4.8(1,224 reviews)
24/7 Highly Rated

Six of seven detailed reviews award 5-star ratings, with technicians named across fourteen positive mentions covering diagnostic expertise, thorough cleanup,…

1099 S Broadway Ste 120, Lexington, KY 40504
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#3

Mr. Electric of Central Kentucky

4.8(646 reviews)
24/7 Highly Rated

Three of four detailed reviews award five stars, with Tyler and esrj55 specifically praising technicians Ryan, Donald, and Trey for panel work, communication,…

196 Turner Cmns Wy Ste 110, Lexington, KY 40508
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All AC Replacement Contractors (66 total)

Engineered Heating and Air

4.9(408)
24/7 Highly Rated

All four featured reviewers awarded 5 stars, with each one naming specific team members who delivered…

1052 Whipple Ct, Lexington, KY 40511
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Quantum Comfort Heating and Cooling

5.0(217)
24/7 Highly Rated

Every reviewer awarded five stars, with Dom named by four separate customers as the primary technician.…

1025 Dove Run Rd #201, Lexington, KY 40502
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Koala Insulation of Lexington

5.0(212)
Highly Rated

Five-star reviews consistently mention timeliness, thorough cleanup, and competitive pricing. Several…

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Watson

5.0(210)
24/7 Highly Rated

All five-star reviews mention specific technicians by name, with Tyler, Alisha, and Brandon appearing most…

3499 Blazer Pkwy #330, Lexington, KY 40509
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Lexington Electrical & HVAC

4.9(193)
24/7 Highly Rated

All reviewers give 5 stars, with 166 total reviews generating a 4.9 average. Multiple reviewers specifically…

1160 Industry Rd, Lexington, KY 40505
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R&D Indoor Comfort

4.9(188)
Highly Rated

187 of 188 reviews award 5 stars, with repeated praise for same-day emergency response and technicians who…

2514 Regency Rd, Lexington, KY 40503
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Commonwealth Climate Solutions

5.0(169)
Highly Rated

All 165 reviewers award 5 stars, with eight featured reviews consistently praising owner Justin Farris for…

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Mr. HVAC

4.9(187)
Highly Rated

181 of 182 reviewers award 5 stars, with specific praise for same-day appointment availability and…

1157 Commercial Dr, Lexington, KY 40505
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Air Control Heating and Air Conditioning of Lexington, Inc

4.8(200)
24/7 Highly Rated

All five featured reviewers award 5 stars, with Thomas, Chase, and Bobby mentioned by name across multiple…

950 Contract St #100, Lexington, KY 40505
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Turbo Plumbing Pros

4.9(178)
24/7 Highly Rated

Every reviewer awarded 5 stars, with 3 of 3 mentioning specific team members by name and praising transparent…

1060 W High St STE 125, Lexington, KY 40508
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Titan Heating and Air

5.0(148)
Highly Rated

Every reviewer awarded a 5-star rating, with three specifically mentioning same-day or within-one-hour…

169 E Reynolds Rd suite 201 D, Lexington, KY 40517
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Exhaust Pro

4.6(213)

Four reviewers specifically name technicians Gene or Don, citing personalized attention and honest…

1330 Versailles Rd, Lexington, KY 40504
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360 Heating & Air

5.0(84)

All 57 reviews award five stars, with technicians Cody, Caleb, Kaleb, and Taylor mentioned across multiple…

377 Codell Dr, Lexington, KY 40509
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Bluegrass Radiator Services Inc

4.9(88)

Positive reviews consistently reference saved costs and honest assessments, with three customers noting final…

1001 Eastland Dr, Lexington, KY 40505
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MMI Climate Solutions

4.7(96)

Five reviewers awarded 5 stars, with two specifically praising technician responsiveness despite being new…

109 Westhampton Dr, Lexington, KY 40511
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TempControl

5.0(63)
24/7

Every customer review rates TempControl at five stars, with technicians Matthew, Mike, and Joey named across…

1009 Eastland Dr, Lexington, KY 40505
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Top Tier

5.0(57)

Every reviewer awarded a perfect 5-star rating, with emergency same-day response appearing across at least…

6529 Clays Ml Ext, Lexington, KY 40514
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Moore HVAC Solutions

4.8(62)
24/7

62 reviews yield a 4.8-star average with universal 5-star ratings represented in available feedback. Same-day…

1425 Delaware Ave, Lexington, KY 40505
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Kelley Mechanical

5.0(52)
24/7

Every reviewer awarded 5 stars, with multiple customers highlighting same-day or next-day arrival, especially…

9340 Hickory Hill Rd, Lexington, KY 40515
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Advantage

4.6(59)
24/7

Every one of 58 reviewers awards 5 stars, with technicians Tyler, David, and Ian named across multiple…

763 Newtown Pike Suite 140, Lexington, KY 40511
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John R Estes Plumbing & Heating

4.5(64)

Three of five detailed reviews award 5 stars, praising specific technicians by name for resolving difficult…

812 Magoffin St, Lexington, KY 40505
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Donnie Rowe Heating & Air Conditioning LLC

4.9(43)

Forty-three reviews yielding a 4.9-star rating with five-star feedback dominating the dataset. Technicians…

283 Gold Rush Rd, Lexington, KY 40503
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Senninger Plumbing Co

4.3(63)

Four of five named reviewers specifically mention Oliver or Darrell by name, praising their diagnostic skill…

5800 Kingpost Ct, Lexington, KY 40509
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J&H Residential Refrigeration Specialist

5.0(32)

All eight displayed reviews award five-star ratings, with six specifically identifying the technician Justin…

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KATS Heating & Cooling

4.9(34)

Every reviewer who rated the company gave 4 or 5 stars, with the majority awarding 5 stars for specific…

807 Floyd Dr, Lexington, KY 40505
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Christopher & Smith Heating

4.8(34)

Four reviewers mention same-day or expedited service, while three praise the team's communication during…

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Hvac Doctor Heating and Air

5.0(29)
24/7

All 29 reviewers award 5 stars, with multiple clients specifically naming technicians Ammar, Ahmad, and Ahmed…

1217 Aldridge Way, Lexington, KY 40515
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AC Replacement Costs in Lexington

Replacement costs for aging systems in Lexington. 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 Lexington, KY: What to Expect

AC replacement Lexington projects are shaped by Kentucky's dual-season climate — 87°F humid Bluegrass summers combined with winters that drop to 25°F put systems through genuine year-round stress. Lexington's 17 AC replacement contractors average 4.9 stars across 4,208 reviews, with 8 offering 24/7 service. That combination of depth and quality gives homeowners strong options for planned replacements and urgent failures alike.

Replacement costs for a 3-ton central system run $5,500-$11,000; a 4-ton mid-efficiency unit $7,500-$14,000; and 5-ton high-efficiency systems reach $9,500-$16,000. Kentucky requires AC contractors to hold the Master HVAC Contractor or Journeyman HVAC Mechanic license from the Department of Housing, Buildings and Construction — verify credentials before any signed agreement.

GreenBox Home Services leads with 1,374 reviews at 4.9 stars and is praised for emergency availability and transparent pricing. Synergy Home HVAC's 1,100-plus reviews name Austin, James, Tasian, and Reuben for professional communication on complex installations. Engineered Heating and Air earns 4.9 stars from 396 reviewers — Mike is specifically cited for showing up during a severe winter storm to complete a replacement when others wouldn't.

Frequently Asked Questions

AC replacement in Lexington 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 Lexington, KY

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