240 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Aberdeen: Horizon Services - Air Conditioning, Heating, Plumbing & Electrical, CR Score 92/100; 4.8★ from 2,282 Google reviews; open 24/7.
Best for emergencies (open 24/7): Aire Serv of Elkton, posts 24/7 hours; ranked #2 of 240.
Most-reviewed: Michael & Son Services, 8,039 Google reviews at 4.7★, the most of 240 ranked; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
240 Aberdeen HVAC contractors are ranked here by CR Score, from 8 published factors. 78 are open 24/7, 139 open Saturdays and 109 open Sundays, based on posted hours. The median Google rating is 4.9★ across 240 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Horizon Services - Air Conditioning, Heating, Plumbing & Electrical | 92 | 4.8★ (2,282) | Havre de Grace, 4 mi away | 24/7 | Overall |
| 2 | Aire Serv of Elkton | 90 | 4.9★ (549) | Newark, 9 mi away | 24/7 | Emergencies |
| 3 | Aire Serv of Bel Air | 90 | 4.9★ (309) | Bel Air North, 7 mi away | 24/7 | — |
| 4 | Blue Dot Services | 89 | 4.5★ (7,297) | Bel Air North, 12 mi away | 24/7 | — |
| 5 | HGH Mechanical | 89 | 4.9★ (337) | Edgewood, 9 mi away | 24/7 | — |
| 6 | Aire Serv of Newark DE | 89 | 4.9★ (2,972) | Newark, 23 mi away | 24/7 | — |
| 7 | Anchor Mechanical LLC | 89 | 4.9★ (340) | Bel Air North, 11 mi away | 24/7 | — |
| 8 | Air Temp Solutions - AC Repair, Heating Repair, Water Heater Repair & Plumbing Newark DE | 88 | 4.9★ (2,030) | Newark, 23 mi away | 24/7 | — |
| 9 | Michael & Son Services | 88 | 4.7★ (8,039) | Baltimore, 25 mi away | 24/7 | Most reviews |
| 10 | Boulden Brothers | 88 | 4.8★ (2,510) | Newark, 23 mi away | 24/7 | — |
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.
Ranked #1 in Aberdeen
Based in Havre de Grace, 4 mi away
Ranked #1 because of its Google rating and availability: 4.8★ from 2,282 Google reviews, open 24/7.
Based in Newark, 9 mi away
Ranked #2 because of its Google rating and availability: 4.9★ from 549 Google reviews, open 24/7.
Based in Bel Air North, 7 mi away
Ranked #3 because of its Google rating and availability: 4.9★ from 309 Google reviews, open 24/7.
Based in Bel Air North, 12 mi away
Ranked #4 because of its Google rating and availability: 4.5★ from 7,297 Google reviews, open 24/7.
Based in Edgewood, 9 mi away
Ranked #5 because of its Google rating and availability: 4.9★ from 337 Google reviews, open 24/7.
Based in Newark, 23 mi away
Ranked #6 because of its Google rating and availability: 4.9★ from 2,972 Google reviews, open 24/7.
Based in Bel Air North, 11 mi away
Ranked #7 because of its Google rating and availability: 4.9★ from 340 Google reviews, open 24/7.
Based in Newark, 23 mi away
Ranked #8 because of its Google rating and availability: 4.9★ from 2,030 Google reviews, open 24/7.
Based in Baltimore, 25 mi away
Ranked #9 because of its Google rating and review volume: 4.7★ from 8,039 Google reviews, the most Google reviews on this list (8,039).
Based in Newark, 23 mi away
Ranked #10 because of its Google rating and availability: 4.8★ from 2,510 Google reviews, open 24/7.
Based in Joppatowne, 13 mi away
Ranked #11 because of its Google rating and availability: 4.9★ from 244 Google reviews, open 24/7.
Based in Newark, 25 mi away
Ranked #12 because of its Google rating and availability: 4.7★ from 5,666 Google reviews, open 24/7.
Based in Bel Air, 10 mi away
Ranked #13 because of its Google rating and availability: 5.0★ from 93 Google reviews, open 24/7.
Based in Bel Air North, 8 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 378 Google reviews, listed on Google as “HVAC contractor”.
Based in Bel Air North, 13 mi away
Ranked #15 because of its Google rating and availability: 4.8★ from 285 Google reviews, open 24/7.
Based in Bel Air North, 7 mi away
Ranked #16 because of its Google rating and availability: 5.0★ from 52 Google reviews, open 24/7.
Based in Bel Air North, 14 mi away
Ranked #17 because of its Google rating and availability: 4.9★ from 411 Google reviews, open 24/7.
Based in Middletown, 24 mi away
Ranked #18 because of its Google rating and availability: 4.9★ from 625 Google reviews, open 24/7.
Based in Essex, 22 mi away
Ranked #19 because of its Google rating and availability: 4.9★ from 369 Google reviews, open 24/7.
Based in Fallston, 13 mi away
Ranked #20 because of its Google rating and availability: 5.0★ from 65 Google reviews, open 24/7.
Based in Essex, 22 mi away
Ranked #21 because of its Google rating and availability: 5.0★ from 195 Google reviews, open 24/7.
Based in Aberdeen
Ranked #22 because of its Google rating and availability: 4.9★ from 479 Google reviews, open 24/7.
Based in Essex, 21 mi away
Ranked #23 because of its Google rating and availability: 4.8★ from 408 Google reviews, open 24/7.
Based in Bel Air, 10 mi away
Ranked #24 because of its Google rating and availability: 4.8★ from 64 Google reviews, open 24/7.
Based in Bel Air, 7 mi away
Ranked #25 because of its Google rating and availability: 5.0★ from 49 Google reviews, open 24/7.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 240 ranked HVAC contractors here; the rest are on their profiles.
20 more HVAC contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Aire-Craft Heating & Cooling Co Inc | 4.8★ (26) | 24 mi |
| Alban Mechanical | 3.0★ (2) | 9 mi |
| American Mechanical Repair | 3.0★ (2) | 22 mi |
| American Pipe Works | In Aberdeen | |
| Bennett Air Care LLC | 5.0★ (2) | 12 mi |
| Centra-Spike | 4.0★ (2) | 19 mi |
| Clyde HVAC & Airduct Cleaning Aberdeen | 5.0★ (3) | In Aberdeen |
| Commercial CAD | 5.0★ (2) | 21 mi |
| D&J solutions LLC | 4.9★ (17) | 20 mi |
| Elite Heating And Cooling | 3.0★ (2) | 23 mi |
| Home Services at The Home Depot | 4.0★ (2) | In Aberdeen |
| KMT Mechanical llc (HVAC) | 4.8★ (12) | 19 mi |
| LG Construction Inc. | In Aberdeen | |
| Mill HVAC & Airduct cleaning Iddletown | 5.0★ (2) | 24 mi |
| R & G Plumbing & Heating | 5.0★ (2) | 21 mi |
| Soul HVAC | 5.0★ (10) | 6 mi |
| Thomas Air Conditioning Services, Inc. | 5.0★ (2) | 8 mi |
| Total HVAC & Airduct Cleaning Aberdeen | In Aberdeen | |
| TRIO HVACR SERVICES | 5.0★ (2) | 21 mi |
| Wegman Brothers | 5.0★ (2) | 24 mi |
National price ranges in USD, not adjusted for Aberdeen. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| AC replacement | $3,887 | $5,978 | $8,073 | Per system, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
| Furnace replacement | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs. US national range | October 2026 |
In Maryland, Maryland State Board of Heating, Ventilation, Air-Conditioning and Refrigeration Contractors licenses Heating, ventilation, air conditioning and refrigeration work.
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
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.
We scored 240 Aberdeen 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.
| Factor | Weight | Computed from | In Aberdeen data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |