25 Best HVAC Contractors in Lexington for 2026

❄️ 25 businesses · 📍 Lexington, KY
✓ Verified Google reviews · ✓ Reviewed regularly · ✓ Updated June 6, 2026
Mark Reid
Written by Mark Reid, Home Services Editor · Verified June 6, 2026
Lexington's climate throws a lot at homeowners. Summers push well into the 90s with high humidity, and winters drop cold enough that a failing furnace at 2 a.m. is a genuine emergency, not just an inconvenience. The city's housing stock ranges from post-war ranch homes in Chevy Chase and Kenwick to newer construction out near Hamburg Pavilion and the expanding subdivisions along Man o' War Boulevard. Older homes often have aging ductwork, cast-iron radiator systems, or original water heaters that were sized for a smaller household, while newer builds tend to run high-efficiency heat pumps and smart thermostats that need contractors who actually know how to program and service them. On top of that, Lexington sits in the Bluegrass region where mineral buildup in water lines is common, which means water heater maintenance cycles here aren't the same as drier parts of the country. Finding a contractor who understands the specific demands of central Kentucky rather than one who just moved in and hung a shingle matters more than many people realize.

Every business on this page was drawn from third-party business listings and ranked by public review rating combined with review count, with a small lift applied to businesses that show a working website and phone number. That ranking alone doesn't tell the whole story, so we also check each business's homepage to confirm that HVAC contracting is what they primarily do, not a side service bolted onto a plumbing or electrical operation. Any listing flagged as permanently closed is removed automatically. A handful of businesses on this page carry a Trust Verified badge. That badge means the business has additionally passed our full verification process, which covers trade qualifications and accreditations, public liability insurance, trading history, customer review history, and registered company information. You can read the full criteria on our How We Verify page. Businesses without that badge have not been independently verified by us, and you should carry out those checks yourself before booking.

Before you commit to any contractor, ask to see proof of their NATE certification or EPA 608 certification if refrigerant handling is involved, and confirm they hold a current Kentucky HVAC contractor's license. Get at least two or three written quotes, and make sure each one breaks out equipment costs from labor so you're comparing like with like. Ask specifically whether the quote includes hauling away your old unit, because that $150 to $250 disposal fee has a habit of appearing on the final invoice when nobody mentioned it upfront. If you're replacing a system, ask the contractor to do a Manual J load calculation before they size the new equipment. An oversized unit short-cycles, wears out faster, and does a poor job pulling humidity out of the air in a Kentucky summer. A contractor who skips that step and just swaps like-for-like without checking isn't doing the job properly.
How We Select & Rate The Best HVAC Contractors in Lexington, KY

Rankings on this page are driven by public review rating and review count pulled from third-party business listings, with a small additional lift for businesses that have a working website and phone number. We check each business's homepage to confirm HVAC contracting is what they primarily offer, which keeps unrelated trades off the page. Permanently closed listings are removed automatically. Businesses marked Trust Verified have additionally passed our full verification covering qualifications, insurance, trading history, customer review history, and registered company information. See our How We Verify page for the complete criteria. All other businesses on this page have not been independently verified by us, and inclusion is not an endorsement. Always carry out your own checks before hiring.

Recommended and Featured listings are paid placements, so a business's fee affects whether and where it appears. Every other listing is ranked on rating and review count from third-party business listings. How we rank & verify →

Quick Comparison — HVAC Contractors in Lexington, KY

# Business Rating Reviews Phone
1 Fayette Heating & Air ⭐ 4.8 6,768 (859) 279-1065 View →
2 Bryant Heating, Cooling, Plumbing & Electric ⭐ 4.8 4,201 (859) 681-5419 View →
3 Southern Comfort Heating & Cooling ⭐ 5.0 1,614 (859) 203-4006 View →
4 Synergy Home ⭐ 4.9 1,201 (859) 203-1479 View →
5 Arronco Comfort Air ⭐ 4.9 541 (859) 963-1799 View →
6 Quantum Comfort Heating and Cooling ⭐ 5.0 213 (859) 230-3995 View →
7 Commonwealth Climate Solutions ⭐ 5.0 170 (859) 490-2288 View →
8 Titan Heating and Air ⭐ 5.0 146 (859) 788-3883 View →
9 Comfort Technologies ⭐ 5.0 146 (859) 600-6591 View →
10 Lexington Electrical & HVAC ⭐ 4.9 190 (859) 457-0426 View →
11 Mr. HVAC ⭐ 4.9 188 (859) 421-2770 View →
12 R&D Indoor Comfort ⭐ 4.9 188 (859) 255-7650 View →
13 Richmond Brothers Mechanical ⭐ 4.9 170 (859) 217-2534 View →
14 Ref-Con Heating & Air ⭐ 5.0 89 (859) 957-6018 View →
15 360 Heating & Air ⭐ 5.0 76 (859) 648-3630 View →
16 Eden Heating & Air ⭐ 4.9 87 (859) 314-0196 View →
17 Cecil's Heating & Air Conditioning Inc. ⭐ 4.9 62 (859) 273-1782 View →
18 Lexington Heating & Air, LLC ⭐ 5.0 45 (859) 621-2428 View →
19 Noah's Ark Air ⭐ 4.9 58 (859) 310-0106 View →
20 MMI Climate Solutions ⭐ 4.7 96 (859) 255-8081 View →
21 Moore HVAC Solutions ⭐ 4.8 62 (859) 216-2165 View →
22 HVAC Doctor ⭐ 5.0 29 (859) 684-3259 View →
23 Lexington Heating and Air ⭐ 5.0 22 (859) 215-5241 View →
24 Bluegrass Climate Solutions ⭐ 5.0 21 (859) 621-6590 View →
25 Service Express HVAC Co ⭐ 4.7 43 (859) 225-3977 View →

Our Top Picks

1
Fayette Heating & Air
Not Verified
4.8 (6,768 reviews)
Lexington, KY (859) 279-1065

Fayette Heating & Air specializes in heating and cooling installation, repair, and maintenance for homes and businesses across Lexington and central Kentucky. With a 4.8-star rating drawn from more than 6,700 Google reviews, the company has built a consistent service record in the region. HVAC system replacements and seasonal tune-ups are among its core offerings.

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2
Bryant Heating, Cooling, Plumbing & Electric
Not Verified
4.8 (4,201 reviews)
Lexington, KY (859) 681-5419

Bryant Heating, Cooling, Plumbing & Electric is a full-service HVAC and home systems contractor serving Lexington. With a 4.8-star rating across more than 4,200 Google reviews, the company has built a consistent record among local homeowners for reliable climate control, plumbing, and electrical work under one roof.

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3
Southern Comfort Heating & Cooling
Not Verified
5.0 (1,614 reviews)
Lexington, KY (859) 203-4006

Specializing in heating and cooling installation and repair, Southern Comfort Heating & Cooling serves the Lexington area with a 5-star rating drawn from over 1,600 Google reviews. That volume of feedback, rare at a perfect score, points to consistent work across a wide residential and light-commercial customer base. The company operates out of the 40511 zip code.

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4
Synergy Home
Not Verified
4.9 (1,201 reviews)
Lexington, KY (859) 203-1479

Synergy Home is an HVAC contractor serving Lexington, with a 4.9-star rating across more than 1,200 Google reviews pointing to consistent results in the field. The company handles heating and cooling work for residential customers in the 40505 area and surrounding neighborhoods. That volume of feedback, sustained at a near-perfect score, reflects reliable service delivery rather than occasional standout jobs.

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5
Arronco Comfort Air
Not Verified
4.9 (541 reviews)
Lexington, KY (859) 963-1799

Rated 4.9 stars across 541 Google reviews, Arronco Comfort Air brings a strong track record to heating and cooling work in Lexington. The company serves residential and commercial customers throughout the 40503 area, handling installation, repair, and maintenance of HVAC systems. That volume of consistent feedback points to reliable, repeatable work rather than one-off results.

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6
Quantum Comfort Heating and Cooling
Not Verified
5.0 (213 reviews)
Lexington, KY (859) 230-3995

Rated 5 stars across 213 Google reviews, Quantum Comfort Heating and Cooling serves residential and commercial clients in Lexington with installation, repair, and maintenance of heating and cooling systems. The volume of reviews behind that perfect score points to consistent work rather than a handful of outliers, making it a reliable option for neighbors in the 40502 area weighing HVAC contractors.

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7
Commonwealth Climate Solutions
Not Verified
5.0 (170 reviews)
Lexington, KY (859) 490-2288

A perfect five-star rating across 170 Google reviews positions Commonwealth Climate Solutions as a notably consistent choice for HVAC work in Lexington. The company handles heating and cooling installation, repair, and maintenance for residential and commercial clients. That volume of feedback, with no dip in score, points to reliable follow-through on service calls rather than one-off results.

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8
Titan Heating and Air
Not Verified
5.0 (146 reviews)
Lexington, KY (859) 788-3883

Titan Heating and Air is an HVAC contractor serving Lexington and the surrounding 40517 area. The company holds a 5-star rating across 146 Google reviews, a consistent record that points to reliable installation and service work rather than one-off praise. Residents and businesses in the area turn to them for heating and cooling needs across all seasons.

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9
Comfort Technologies
Not Verified
5.0 (146 reviews)
Lexington, KY (859) 600-6591

Comfort Technologies handles heating and cooling installation, repair, and maintenance for residential and commercial customers in Lexington. The company holds a five-star rating across 146 Google reviews, reflecting consistent results in the field. Locals rely on them for seasonal system tune-ups and urgent HVAC repairs throughout the area.

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10
Lexington Electrical & HVAC
Not Verified
4.9 (190 reviews)
Lexington, KY (859) 457-0426

Homeowners and commercial properties across Lexington rely on Lexington Electrical & HVAC for heating, cooling, and electrical work. Rated 4.9 across 190 Google reviews, the company has built a consistent record in the 40505 area. Services cover installation, repair, and maintenance for residential and business clients throughout the region.

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11
Mr. HVAC
Not Verified
4.9 (188 reviews)
Lexington, KY (859) 421-2770

Mr. HVAC is a heating and cooling contractor serving Lexington, KY 40505. Rated 4.9 stars across 188 Google reviews, the company has built a consistent track record among local homeowners and businesses. Mr. HVAC handles installation, repair, and maintenance for residential and commercial systems throughout the area.

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12
R&D Indoor Comfort
Not Verified
4.9 (188 reviews)
Lexington, KY (859) 255-7650

Heating and cooling work in Lexington is the focus of R&D Indoor Comfort, a contractor serving residential and commercial clients in the 40503 area and surrounding neighborhoods. With a 4.9-star rating across 188 Google reviews, the company has built a consistent record in HVAC installation, repair, and maintenance. Customers cite reliable scheduling and straightforward service as recurring strengths.

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13
Richmond Brothers Mechanical
Not Verified
4.9 (170 reviews)
Lexington, KY (859) 217-2534

HVAC contractors serving Lexington and the surrounding area, Richmond Brothers Mechanical handles heating and cooling installation, repair, and maintenance for residential and commercial customers. A 4.9-star rating across 170 Google reviews points to consistent work in the field. The company operates out of the 40508 area, keeping its service footprint local and focused.

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14
Ref-Con Heating & Air
Not Verified
5.0 (89 reviews)
Lexington, KY (859) 957-6018

Ref-Con Heating & Air is an HVAC contractor serving Lexington with a 5-star rating across 89 Google reviews. The company handles heating and cooling installation, repair, and maintenance for residential and commercial customers. That consistent rating across a meaningful number of reviews points to reliable workmanship and straightforward service.

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15
360 Heating & Air
Not Verified
5.0 (76 reviews)
Lexington, KY (859) 648-3630

Covering residential and light commercial HVAC work in Lexington, 360 Heating & Air holds a five-star rating across 76 Google reviews, a mark that points to consistent follow-through on installations, repairs, and seasonal maintenance. The company serves the 40509 corridor and surrounding areas, handling both heating and cooling systems under one contractor.

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16
Eden Heating & Air
Not Verified
4.9 (87 reviews)
Lexington, KY (859) 314-0196

Heating and air conditioning services in Lexington, Kentucky, with Eden Heating & Air covering installation, repair, and maintenance for residential customers. The company holds a 4.9-star rating across 87 Google reviews, a strong signal of consistent work in the 40503 area and surrounding neighborhoods. Appointments and service details are available through their website.

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17
Cecil's Heating & Air Conditioning Inc.
Not Verified
4.9 (62 reviews)
Lexington, KY (859) 273-1782

Rated 4.9 across 62 Google reviews, Cecil's Heating & Air Conditioning Inc. serves Lexington with installation, repair, and maintenance of heating and cooling systems. The 40505 postcode anchors its local focus, making it a practical option for residents and businesses in the area looking for reliable climate control work.

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18
Lexington Heating & Air, LLC
Not Verified
5.0 (45 reviews)
Lexington, KY (859) 621-2428

Forty-five Google reviews have all landed at a perfect 5.0 for this Lexington HVAC contractor, a rare outcome in a trade where callbacks and complaints are common. Lexington Heating & Air, LLC handles installation, repair, and maintenance of heating and cooling systems for residential and commercial customers. The rating suggests consistent follow-through on both technical work and customer communication.

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19
Noah's Ark Air
Not Verified
4.9 (58 reviews)
Lexington, KY (859) 310-0106

Rated 4.9 out of 5 across 58 Google reviews, Noah's Ark Air brings a strong track record to heating and cooling work in Lexington. The company serves residential and commercial customers in the 40505 area, handling installation, repair, and maintenance across a range of HVAC systems. Consistent customer feedback points to reliable service and clear communication on the job.

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20
MMI Climate Solutions
Not Verified
4.7 (96 reviews)
Lexington, KY (859) 255-8081

Heating and cooling installation, repair, and maintenance are the core focus at MMI Climate Solutions, an HVAC contractor serving Lexington and the surrounding area. The company holds a 4.7-star Google rating across 96 reviews, reflecting consistent work quality for residential and commercial customers in the 40511 corridor. MMI Climate Solutions covers system diagnostics alongside seasonal upkeep to keep equipment running efficiently year-round.

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21
Moore HVAC Solutions
Not Verified
4.8 (62 reviews)
Lexington, KY (859) 216-2165

Moore HVAC Solutions is a heating and cooling contractor serving Lexington, KY 40505. With a 4.8-star rating across 62 Google reviews, the company has built a consistent record among local residents and commercial clients. Moore HVAC Solutions handles installation, repair, and maintenance work across the area.

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22
HVAC Doctor
Not Verified
5.0 (29 reviews)
Lexington, KY (859) 684-3259

Heating and cooling repairs, installations, and maintenance for Lexington homeowners are the focus at HVAC Doctor, based in the 40515 area. The company holds a 5-star rating across 29 Google reviews, reflecting consistent work in the field. Residential clients can reach the team through the business website for service inquiries and scheduling.

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23
Lexington Heating and Air
Not Verified
5.0 (22 reviews)
Lexington, KY (859) 215-5241

Lexington Heating and Air is an HVAC contractor serving the Lexington, KY 40502 area. The company holds a 5-star Google rating across 22 reviews, suggesting consistent work on residential and light-commercial heating and cooling systems. Customers in the surrounding neighborhoods rely on them for installations, repairs, and routine maintenance.

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24
Bluegrass Climate Solutions
Not Verified
5.0 (21 reviews)
Lexington, KY (859) 621-6590

Rated 5 stars across 21 Google reviews, Bluegrass Climate Solutions handles heating and cooling work for residential and commercial customers in Lexington. The company covers installation, repair, and maintenance of HVAC systems. That consistent rating across a range of jobs points to reliable workmanship rather than a handful of one-off experiences.

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25
Service Express HVAC Co
Not Verified
4.7 (43 reviews)
Lexington, KY (859) 225-3977

Rated 4.7 out of 5 across 43 Google reviews, Service Express HVAC Co serves Lexington with heating, cooling, and ventilation work for residential and commercial customers. The 40505 postcode and surrounding neighborhoods form the core of its service area. Consistent reviewer feedback points to reliable scheduling and straightforward communication on repairs and system installations.

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Transparency notice: Recommended and Featured listings are paid placements, so a business's fee affects whether and where it appears. All other listings are ranked by a combined score drawn from ratings and review counts published on third-party business listings, plus basic completeness signals such as a working website and phone. A Trust Verified badge means we have independently checked that business's documents; businesses without it have not been independently verified by us. How we verify →

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Frequently Asked Questions

How much does HVAC work cost in Lexington?
It depends heavily on what you need. A standard furnace tune-up or seasonal AC service call typically runs $80 to $150 in the Lexington area. Replacing a single-stage central air conditioner in a typical 1,500 to 2,000 square foot home usually falls between $3,500 and $6,500 installed, including the air handler, though high-efficiency two-stage or variable-speed systems can push that to $8,000 or more. Full HVAC system replacements, covering both heating and cooling, commonly range from $7,000 to $14,000 depending on whether you're going with a gas furnace and AC split system or a heat pump setup. Ductwork repairs add cost fast, anywhere from $300 for a simple seal to $2,500 or more if a significant section needs replacing. Labor rates in Lexington generally run $85 to $125 per hour. Getting two or three quotes is the normal thing to do, and it's worth asking each contractor to itemize equipment, labor, and disposal separately so you can make a real comparison.
Do I need a permit for HVAC replacement in Lexington, KY?
Yes, in most cases. The City of Lexington-Fayette Urban County Government requires a mechanical permit for replacing or installing HVAC equipment, and that permit comes with an inspection. A reputable contractor will pull the permit themselves as part of the job. Be cautious about any contractor who suggests skipping the permit to save money. Beyond the code risk, an unpermitted installation can create problems when you sell your home, and it may affect your homeowner's insurance coverage if something goes wrong. Ask upfront whether the quoted price includes permit fees, which typically run $75 to $150 in Lexington depending on the scope of work.
What size HVAC system do I need for my Lexington home?
Don't let anyone tell you to just match the size of what you're replacing without doing the math first. The right size depends on your home's square footage, insulation levels, window area, ceiling height, and which direction the house faces. Lexington's hot humid summers and cold winters mean the load calculation matters in both directions. The industry standard method is called a Manual J load calculation. It's not a long process for an experienced contractor, and it tells you the actual heating and cooling load your home needs in BTUs. An oversized AC unit is a real problem in Kentucky because it cools the air down fast but doesn't run long enough to pull humidity out, which leaves your home feeling clammy. Ask specifically whether the contractor will perform a Manual J before recommending equipment size.
Heat pump or gas furnace: which makes more sense in Lexington?
Both are common in Lexington, and each has a reasonable case. Gas furnaces are generally cheaper to install and produce warmer air temperatures, which some people prefer during the region's coldest stretches in January and February. A standard gas furnace with a separate central AC unit is the most common setup in the older neighborhoods like Ashland Park or Woodland Park. Heat pumps handle both heating and cooling in one system and can be very efficient during the mild shoulder seasons, which Lexington has plenty of. Modern cold-climate heat pumps perform much better than older models when temperatures drop below freezing, though many contractors recommend a dual-fuel setup that pairs a heat pump with a gas backup for the coldest nights. Your current gas line setup, electric rates, and how long you plan to stay in the house are all worth factoring in before deciding.
How often should I have my HVAC system serviced in Lexington?
Twice a year is the standard recommendation: once in the spring before you're relying on air conditioning, and once in the fall before heating season starts. Lexington's high summer humidity means your AC coils and condensate drain lines take real abuse, and a spring tune-up that includes cleaning the evaporator coil and flushing the drain line can prevent a mid-July breakdown when every contractor in town is booked two weeks out. The fall visit should include checking the heat exchanger on a gas furnace for cracks, which is both an efficiency and a carbon monoxide safety issue. Filter changes are separate from professional service and should happen every one to three months depending on your filter type and whether you have pets or allergy sufferers in the house. Mineral buildup in the Lexington water supply also means checking your humidifier system annually if you have one.
How do I verify an HVAC contractor in Lexington before hiring them?
Start by asking for their Kentucky HVAC contractor's license number and verify it through the Kentucky Department of Housing, Buildings and Construction's online lookup. That takes about two minutes and confirms they're legally allowed to do the work. Ask for proof of general liability insurance and workers' compensation coverage and make sure both are current. If the work involves refrigerant handling, the technician doing that work needs EPA 608 certification. NATE certification is a voluntary credential that indicates the tech has passed an independent competency exam, and it's worth asking about. Check their reviews across multiple sources rather than relying on one platform alone. For any business on this page that carries a Trust Verified badge, those checks around qualifications, insurance, and trading history have already been done and you can see the details on our How We Verify page. For everyone else, running through those checks yourself before signing anything is the smart move.