Skip to content
ContractorsRanked

Best HVAC Contractors in Union, KY (2026)

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

The short answer

  1. 1

    Best overall in Union: Arlinghaus Plumbing Heating & Air Conditioning, CR Score 93/100; 4.8★ from 6,650 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Apollo Home, posts 24/7 hours; ranked #2 of 228.

  3. 2

    Most-reviewed: Apollo Home, 15,569 Google reviews at 4.9★, the most of 228 ranked; ranked #2.

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

228 Union HVAC contractors are ranked here by CR Score, from 8 published factors. 82 are open 24/7, 136 open Saturdays and 109 open Sundays, based on posted hours. The median Google rating is 4.8★ across 228 rated businesses.

Most of this list also appears on the HVAC contractors in Florence ranking. See HVAC contractors in Florence

Top 10 HVAC contractors in Union at a glance

Top 10 HVAC contractors in Union at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Arlinghaus Plumbing Heating & Air Conditioning934.8★ (6,650)Erlanger, 6 mi away24/7Overall
2Apollo Home914.9★ (15,569)Cincinnati, 20 mi away24/7Emergencies, Most reviews
3Sweet Life Heating & Cooling914.9★ (970)Burlington, 6 mi away24/7—
4Schneller Knochelmann Plumbing, Heating & Air Conditioning914.9★ (3,415)Covington, 13 mi away24/7—
5Bryant Heating, Cooling, Plumbing & Electric914.8★ (1,247)Florence, 5 mi away24/7—
6Howe Heating & Cooling905.0★ (207)Florence, 3 mi away24/7—
7Fayette Heating & Air904.9★ (399)Elsmere, 6 mi away24/7—
8A & B Heating & Air Conditioning894.9★ (275)Burlington, 6 mi away24/7—
9One Hour Heating & Air Conditioning894.9★ (5,920)Cincinnati, 24 mi away24/7—
10HELP Plumbing, Heating, Cooling and Drains884.8★ (8,804)Cincinnati, 23 mi away24/7—

The 228 best HVAC contractors in Union, ranked

Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.

Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

  2. #2 Apollo Home

    Based in Cincinnati, 20 mi away

    91/100CR Score

    Ranked #2 because of its Google rating and review volume: 4.9★ from 15,569 Google reviews, the most Google reviews on this list (15,569).

    • 4.9★ from 15,569 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4538 Camberwell Rd, Cincinnati, OH 45209
    View profile for Apollo Home(513) 223-3957

  18. #18 WeKoolHVAC

    Based in Florence, 5 mi away

    87/100CR Score

    Ranked #18 because of its Google rating and availability: 5.0★ from 52 Google reviews, open 24/7.

    • 5.0★ from 52 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    71 Cavalier Blvd Ste 119, Florence, KY 41042
    View profile for WeKoolHVAC(859) 888-7562

HVAC contractors ranked #26 to #26

#1 to #25 are shown in full above. Here are #26 to #26, in CR Score order; each links to its profile. We publish the top 26 of 228 ranked HVAC contractors here; the rest are on their profiles.

HVAC contractors in Union, ranks 26 to 26
RankBusinessCR ScoreGoogle ratingDistance
26Five Star Home Services Cincinnati854.8★ (512)21 mi

How much do HVAC contractors cost in Union?

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

How much do HVAC contractors cost in Union?
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 Union HVAC contractors

We scored 228 Union HVAC contractors on 8 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. Unknown factors are left out of the score, 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 Union data
Reputation35%Bayesian-adjusted Google star ratingMeasured
Credentials15%Active state license 0.6, bond 0.2, workers’ comp 0.2Not yet collected
Review volume10%log10(reviews + 1) against the list maximumMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability10%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%Google main category 1.0, business name 0.7, additional category 0.5Measured
Proximity5%1.0 when based in the city, falling to 0 at the trade’s radiusMeasured
Completeness5%Website, photos, description, hours, claimed profile (0.2 each)Measured

HVAC contractors in Union: frequently asked questions

Who is the best HVAC contractor in Union?

By CR Score, the highest-ranked HVAC contractor in Union, KY is Arlinghaus Plumbing Heating & Air Conditioning with a CR Score of 93/100. It has 4.8★ from 6,650 Google reviews. It is open 24/7. Apollo Home (#2) and Sweet Life Heating & Cooling (#3) follow. We ranked 228 HVAC contractors on 8 factors, last updated October 22, 2026.

Which HVAC contractors in Union are open 24/7?

82 ranked HVAC contractors in Union post 24/7 hours. The highest-ranked are Arlinghaus Plumbing Heating & Air Conditioning (#1), Apollo Home (#2) and Sweet Life Heating & Cooling (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.

Which HVAC contractors in Union work on weekends?

136 of 228 ranked HVAC contractors post Saturday hours and 109 post Sunday hours. The highest-ranked open Saturdays are Arlinghaus Plumbing Heating & Air Conditioning (#1), Apollo Home (#2) and Sweet Life Heating & Cooling (#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 Union?

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 Union. Prices were last checked October 2026. Get at least two written quotes before you hire.

What Google rating do Union HVAC contractors have?

The median Google rating among 228 rated HVAC contractors in Union is 4.8★, with a median of 22 reviews. Apollo Home has the most, 15,569 reviews, and ranks #2. 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 Union?

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 does ContractorsRanked rank HVAC contractors?

Each HVAC contractor gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Update log for Union

  1. October 2026: CR Scores recalculated for 228 hvac contractors serving Union.

More HVAC contractors and Union pages

Other trades in Union