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Best HVAC Contractors in Lexington, KY (2026)

194 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Lexington: Fayette Heating & Air, CR Score 68/100; 4.8★ from 6,644 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Dauenhauer Plumbing Heating Air & Electric, posts 24/7 hours; ranked #2 of 194.

  3. 2

    Most-reviewed: Dauenhauer Plumbing Heating Air & Electric, 4,841 Google reviews at 4.8★, the most of 194 ranked after Fayette Heating & Air; ranked #2.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

194 Lexington HVAC contractors are ranked here by CR Score, from ten published factors. 76 are open 24/7, 106 open Saturdays and 89 open Sundays, based on posted hours. The median Google rating is 4.9★ across 194 rated businesses.

Most of this list also appears on the HVAC contractors in Lexington-Fayette ranking. See HVAC contractors in Lexington-Fayette

Top 10 HVAC contractors in Lexington at a glance

Top 10 HVAC contractors in Lexington at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Fayette Heating & Air684.8★ (6,644)Lexington24/7Overall
2Dauenhauer Plumbing Heating Air & Electric674.8★ (4,841)Lexington24/7Emergencies, Most reviews
3Comfort Heating & Air674.8★ (4,263)Lexington24/7—
4Bryant Heating, Cooling, Plumbing & Electric674.8★ (4,041)Lexington24/7—
5Southern Comfort Heating & Cooling675.0★ (1,526)Lexington24/7—
6GreenBox Home Services664.9★ (1,344)Lexington24/7—
7Synergy Home HVAC664.9★ (1,070)Lexington24/7—
8Absolute Services654.9★ (930)Lexington24/7—
9Peterman Brothers Heating Cooling Plumbing654.9★ (728)Lexington24/7—
10Quantum Comfort645.0★ (195)Lexington24/7—

The 194 best HVAC contractors in Lexington, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  7. #7 Synergy Home HVAC

    Based in Lexington

    66/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.9★ from 1,070 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 1,070 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1064 Industry Rd Suite 130, Lexington, KY 40505
    View profile for Synergy Home HVAC(859) 203-1479

  8. #8 Absolute Services

    Based in Lexington

    65/100CR Score

    Ranked #8 because of its Google rating and trade focus: 4.9★ from 930 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 930 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    601 Bizzell Dr Ste 100A, Lexington, KY 40511
    View profile for Absolute Services(859) 900-2520

  10. #10 Quantum Comfort

    Based in Lexington

    64/100CR Score

    Ranked #10 because of its Google rating and trade focus: 5.0★ from 195 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 195 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1025 Dove Run Rd #201, Lexington, KY 40502
    View profile for Quantum Comfort(859) 230-3995

  11. #11 Apex Solutions

    Based in Lexington

    63/100CR Score

    Ranked #11 because of its Google rating and trade focus: 4.9★ from 165 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 165 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1031 Wellington Way Unit 230, Lexington, KY 40513
    View profile for Apex Solutions(859) 583-7294

  15. #15 Climate Control

    Based in Lexington

    62/100CR Score

    Ranked #15 because of its Google rating and trade focus: 4.8★ from 141 Google reviews, listed on Google as “HVAC contractor”.

    • 4.8★ from 141 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1060 W High St Suite 110, Lexington, KY 40508
    View profile for Climate Control(859) 444-5840

  16. #16 Ashford Air

    Based in Lexington

    62/100CR Score

    Ranked #16 because of its Google rating and trade focus: 5.0★ from 71 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 71 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    133 Goodrich Ave, Lexington, KY 40503
    View profile for Ashford Air(859) 681-6740

  17. #17 TempControl

    Based in Lexington

    62/100CR Score

    Ranked #17 because of its Google rating and trade focus: 5.0★ from 62 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 62 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1009 Eastland Dr, Lexington, KY 40505
    View profile for TempControl(859) 552-4635

  19. #19 Kelley Mechanical

    Based in Lexington

    61/100CR Score

    Ranked #19 because of its Google rating and trade focus: 5.0★ from 53 Google reviews, listed on Google as “Heating contractor”.

    • 5.0★ from 53 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9340 Hickory Hill Rd, Lexington, KY 40515
    View profile for Kelley Mechanical(859) 271-1113

  20. #20 Noah's Ark Air

    Based in Lexington

    61/100CR Score

    Ranked #20 because of its Google rating and trade focus: 5.0★ from 52 Google reviews, listed on Google as “HVAC contractor”.

    • 5.0★ from 52 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    754 Sandpiper Ct, Lexington, KY 40505
    View profile for Noah's Ark Air(859) 310-0106

  22. #22 R&D Indoor Comfort

    Based in Lexington

    61/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.9★ from 188 Google reviews, listed on Google as “HVAC contractor”.

    • 4.9★ from 188 Google reviews
    Hours
    Mon–Fri 7:30 AM–4:30 PM · Sat 8 AM–5 PM · Sun 9 AM–5 PM
    Address
    2514 Regency Rd, Lexington, KY 40503
    View profile for R&D Indoor Comfort(859) 255-7650

HVAC contractors ranked #28 to #30

#1 to #25 are shown in full above. Here are #28 to #30, in CR Score order; each links to its profile. We publish the top 30 of 194 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Lexington, ranks 28 to 30
RankBusinessCR ScoreGoogle ratingDistance
28Advantage604.6★ (58)In Lexington
30Value HVAC Services - AC Repair and Installation605.0★ (121)6 mi

How much do HVAC contractors cost in Lexington?

National price ranges in USD, not adjusted for Lexington. Each row names its basis and the month we checked it.

How much do HVAC contractors cost in Lexington?
JobLowTypicalHighBasisChecked
AC replacement$3,887$5,978$8,073Per system, installed (unit plus labor); typical range of customer-reported jobs. US national rangeOctober 2026
Furnace replacement$2,823$4,814$6,896Per system, installed; typical range of customer-reported jobs. US national rangeOctober 2026

How to check an HVAC contractor's license in Kentucky

In Kentucky, Kentucky Department of Housing, Buildings and Construction licenses Heating, ventilation, air conditioning and refrigeration work.

  1. Check that the status is active and the name matches the contract or truck.
  2. Ask for proof of insurance before work starts.

No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.

Guide checked October 2026. How we verify licenses

When to hire an HVAC contractor in Kentucky

HVAC demand peaks in summer for cooling and in winter for heating. Spring and fall are the easiest times to book maintenance or a replacement.

How we ranked Lexington HVAC contractors

We scored 194 Lexington HVAC contractors on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Lexington data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

HVAC contractors in Lexington: frequently asked questions

Who is the best HVAC contractor in Lexington?

By CR Score, the highest-ranked HVAC contractor in Lexington, KY is Fayette Heating & Air with a CR Score of 68/100. It has 4.8★ from 6,644 Google reviews. It is open 24/7. Dauenhauer Plumbing Heating Air & Electric (#2) and Comfort Heating & Air (#3) follow. We ranked 194 HVAC contractors on ten factors, last updated October 22, 2026.

How many HVAC contractors are there in Lexington?

ContractorsRanked ranks 194 HVAC contractors serving Lexington, KY. 25 of them are based in Lexington; the rest serve it from nearby towns. Counts are as of October 2026.

Which HVAC contractors in Lexington are open 24/7?

76 ranked HVAC contractors in Lexington post 24/7 hours. The highest-ranked are Fayette Heating & Air (#1), Dauenhauer Plumbing Heating Air & Electric (#2) and Comfort Heating & Air (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Lexington work on weekends?

106 of 194 ranked HVAC contractors post Saturday hours and 89 post Sunday hours. The highest-ranked open Saturdays are Fayette Heating & Air (#1), Dauenhauer Plumbing Heating Air & Electric (#2) and Comfort Heating & Air (#3). Posted hours are office hours; crews may book weekend jobs separately.

How do I check an HVAC contractor's license in Kentucky?

In Kentucky, Kentucky Department of Housing, Buildings and Construction handles licensing and covers Heating, ventilation, air conditioning and refrigeration work.

How much does ac replacement cost in Lexington?

AC replacement typically costs $3,887 to $8,073, with $5,978 typical (Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Lexington. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Lexington HVAC contractors have?

The median Google rating among 194 rated HVAC contractors in Lexington is 4.9★, with a median of 31 reviews. Fayette Heating & Air has the most, 6,644 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.

When is the best time to hire an HVAC contractor in Lexington?

HVAC demand peaks in summer for cooling and in winter for heating. Spring and fall are the easiest times to book maintenance or a replacement.

Update log for Lexington

  1. October 2026: CR Scores recalculated for 194 hvac contractors serving Lexington.
  2. October 2026: 1 duplicate listing merged.

More HVAC contractors and Lexington pages

Other trades in Lexington