304 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in North Bel Air: Blue Dot Services, CR Score 65/100; 4.5★ from 7,297 Google reviews; open 24/7.
Best for emergencies (open 24/7): Anchor Mechanical LLC, posts 24/7 hours; ranked #2 of 304.
Most-reviewed: Michael & Son Services, 8,039 Google reviews at 4.7★, the most of 304 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
304 North Bel Air HVAC contractors are ranked here by CR Score, from ten published factors. 97 are open 24/7, 179 open Saturdays and 142 open Sundays, based on posted hours. The median Google rating is 4.8★ across 304 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Blue Dot Services | 65 | 4.5★ (7,297) | Bel Air North, 3 mi away | 24/7 | Overall |
| 2 | Anchor Mechanical LLC | 63 | 4.9★ (340) | Bel Air North, 2 mi away | 24/7 | Emergencies |
| 3 | Excel Services | 63 | 4.9★ (411) | Bel Air North, 5 mi away | 24/7 | — |
| 4 | Aire Serv of Bel Air | 63 | 4.9★ (309) | Bel Air North, 4 mi away | 24/7 | — |
| 5 | Horizon Services - Air Conditioning, Heating, Plumbing & Electrical | 62 | 4.8★ (2,282) | Havre de Grace, 14 mi away | 24/7 | — |
| 6 | Michael & Son Services | 62 | 4.7★ (8,039) | Baltimore, 19 mi away | 24/7 | Most reviews |
| 7 | First Response Heating & Cooling | 62 | 4.8★ (285) | Bel Air North, 3 mi away | 24/7 | — |
| 8 | HGH Mechanical | 62 | 4.9★ (337) | Edgewood, 6 mi away | 24/7 | — |
| 9 | Griff's Heating and Air | 62 | 5.0★ (93) | Bel Air, 1 mi away | 24/7 | — |
| 10 | Pure Air HVAC | 62 | 5.0★ (378) | Bel Air North, 5 mi away | Sat · Sun · Evenings | — |
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.
Ranked #1 because of its Google rating and trade focus: 4.5★ from 7,297 Google reviews, listed on Google as “Heating contractor”.
Based in Bel Air North, 2 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 340 Google reviews, listed on Google as “HVAC contractor”.
Based in Bel Air North, 5 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 411 Google reviews, listed on Google as “HVAC contractor”.
Based in Bel Air North, 4 mi away
Ranked #4 because of its Google rating and trade focus: 4.9★ from 309 Google reviews, listed on Google as “HVAC contractor”.
Based in Havre de Grace, 14 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 2,282 Google reviews, listed on Google as “HVAC contractor”.
Based in Baltimore, 19 mi away
Ranked #6 because of its Google rating and review volume: 4.7★ from 8,039 Google reviews, the most in North Bel Air.
Based in Bel Air North, 3 mi away
Ranked #7 because of its Google rating and trade focus: 4.8★ from 285 Google reviews, listed on Google as “HVAC contractor”.
Based in Edgewood, 6 mi away
Ranked #8 because of its Google rating and trade focus: 4.9★ from 337 Google reviews, listed on Google as “HVAC contractor”.
Based in Bel Air, 1 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 93 Google reviews, listed on Google as “HVAC contractor”.
Based in Bel Air North, 5 mi away
Ranked #10 because of its Google rating and trade focus: 5.0★ from 378 Google reviews, listed on Google as “HVAC contractor”.
Based in Cockeysville, 10 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 726 Google reviews, listed on Google as “HVAC contractor”.
Based in Joppatowne, 9 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 244 Google reviews, listed on Google as “HVAC contractor”.
Based in Fallston, 5 mi away
Ranked #13 because of its Google rating and trade focus: 5.0★ from 65 Google reviews, listed on Google as “HVAC contractor”.
Based in Baltimore, 21 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 786 Google reviews, listed on Google as “HVAC contractor”.
Based in Bel Air, 2 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 64 Google reviews, listed on Google as “Heating contractor”.
Based in Bel Air, 4 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 49 Google reviews, listed on Google as “HVAC contractor”.
Based in Timonium, 16 mi away
Ranked #17 because of its Google rating and trade focus: 4.8★ from 614 Google reviews, listed on Google as “HVAC contractor”.
Based in Fallston, 4 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 43 Google reviews, listed on Google as “HVAC contractor”.
Based in Fallston, 7 mi away
Ranked #19 because of its Google rating and trade focus: 4.9★ from 220 Google reviews, listed on Google as “HVAC contractor”.
Based in Newark, 19 mi away
Ranked #20 because of its Google rating and trade focus: 4.9★ from 549 Google reviews, listed on Google as “HVAC contractor”.
Based in Bel Air North, 5 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 52 Google reviews, listed on Google as “HVAC contractor”.
Based in Essex, 17 mi away
Ranked #22 because of its Google rating and trade focus: 4.9★ from 369 Google reviews, listed on Google as “HVAC contractor”.
Based in Essex, 17 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 408 Google reviews, listed on Google as “HVAC contractor”.
Based in Bel Air North, 5 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 53 Google reviews, listed on Google as “HVAC contractor”.
Based in Essex, 17 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 195 Google reviews, listed on Google as “HVAC contractor”.
#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 304 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 |
|---|---|---|
| Bennett Air Care LLC | 5.0★ (2) | 9 mi |
| Black Horse Heating & Air Conditoning LLC | 5.0★ (5) | 7 mi |
| Brothers HVAC LLC | 4.9★ (76) | 24 mi |
| Clarksburg's Heating and Air Conditioning | 5.0★ (1) | 3 mi |
| Clean HVAC & Airduct Cleaning Abingdon | 5.0★ (1) | 4 mi |
| Commercial CAD | 5.0★ (2) | 17 mi |
| Diligent Mechanical Services | 5.0★ (1) | 5 mi |
| DJE Plumbing and Heating | 5.0★ (2) | 24 mi |
| DM3 Heating & Air | 5.0★ (2) | 23 mi |
| Elite Heating And Cooling | 3.0★ (2) | 15 mi |
| Fallston Chimney | 5.0★ (1) | 5 mi |
| James Brown AB Plumbing and Heating of Maryland | 5.0★ (1) | 5 mi |
| Lepard Brothers Heating & Cooling, Inc. | 4.5★ (17) | 10 mi |
| Moxley Mechanical Services, LLC | 5.0★ (1) | 5 mi |
| R & G Plumbing & Heating | 5.0★ (2) | 17 mi |
| Scardina Plumbing-Heating Inc | 5.0★ (2) | 21 mi |
| Soul HVAC | 5.0★ (10) | 7 mi |
| Thomas Air Conditioning Services, Inc. | 5.0★ (2) | 5 mi |
| United Air Temp | 4.4★ (88) | 17 mi |
| W J House Plumbing & Heating | 5.0★ (1) | 5 mi |
National price ranges in USD, not adjusted for North Bel Air. 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 304 North Bel Air 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.
| Factor | Weight | Computed from | In North Bel Air data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |