92/100CR Score
Ranked #1 because of its Google rating and availability: 4.5★ from 7,297 Google reviews, open 24/7.
- 4.5★ from 7,297 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 125 Industry Ln, Forest Hill, MD 21050
Best HVAC Contractors in South Bel Air, MD (2026)
314 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in South Bel Air: Blue Dot Services, CR Score 92/100; 4.5★ from 7,297 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Anchor Mechanical LLC, posts 24/7 hours; ranked #2 of 314.
- 7
Most-reviewed: Michael & Son Services, 8,039 Google reviews at 4.7★, the most of 314 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
314 South Bel Air HVAC contractors are ranked here by CR Score, from 8 published factors. 98 are open 24/7, 186 open Saturdays and 149 open Sundays, based on posted hours. The median Google rating is 4.8★ across 314 rated businesses.
Top 10 HVAC contractors in South Bel Air at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Blue Dot Services | 92 | 4.5★ (7,297) | Bel Air North, 4 mi away | 24/7 | Overall |
| 2 | Anchor Mechanical LLC | 91 | 4.9★ (340) | Bel Air North, 3 mi away | 24/7 | Emergencies |
| 3 | Aire Serv of Bel Air | 91 | 4.9★ (309) | Bel Air North, 3 mi away | 24/7 | — |
| 4 | Horizon Services - Air Conditioning, Heating, Plumbing & Electrical | 90 | 4.8★ (2,282) | Havre de Grace, 13 mi away | 24/7 | — |
| 5 | HGH Mechanical | 90 | 4.9★ (337) | Edgewood, 6 mi away | 24/7 | — |
| 6 | Griff's Heating and Air | 90 | 5.0★ (93) | Bel Air, 1 mi away | 24/7 | — |
| 7 | Michael & Son Services | 89 | 4.7★ (8,039) | Baltimore, 19 mi away | 24/7 | Most reviews |
| 8 | First Response Heating & Cooling | 89 | 4.8★ (285) | Bel Air North, 4 mi away | 24/7 | — |
| 9 | Excel Services | 89 | 4.9★ (411) | Bel Air North, 6 mi away | 24/7 | — |
| 10 | Broyles HVACR | 89 | 4.9★ (244) | Joppatowne, 9 mi away | 24/7 | — |
The 314 best HVAC contractors in South Bel Air, 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.
Based in Bel Air North, 3 mi away
91/100CR ScoreRanked #2 because of its Google rating and availability: 4.9★ from 340 Google reviews, open 24/7.
- 4.9★ from 340 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1630 Robin Cir, Forest Hill, MD 21050
Based in Bel Air North, 3 mi away
91/100CR ScoreRanked #3 because of its Google rating and availability: 4.9★ from 309 Google reviews, open 24/7.
- 4.9★ from 309 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Havre de Grace, 13 mi away
90/100CR ScoreRanked #4 because of its Google rating and availability: 4.8★ from 2,282 Google reviews, open 24/7.
- 4.8★ from 2,282 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 908 Pulaski Hwy, Havre De Grace, MD 21078
Based in Edgewood, 6 mi away
90/100CR ScoreRanked #5 because of its Google rating and availability: 4.9★ from 337 Google reviews, open 24/7.
- 4.9★ from 337 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2107 Emmorton Park Rd #111, Edgewood, MD 21040
Based in Bel Air, 1 mi away
90/100CR ScoreRanked #6 because of its Google rating and availability: 5.0★ from 93 Google reviews, open 24/7.
- 5.0★ from 93 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 706 Orley Pl, Bel Air, MD 21014
Based in Baltimore, 19 mi away
89/100CR ScoreRanked #7 because of its Google rating and review volume: 4.7★ from 8,039 Google reviews, the most Google reviews on this list (8,039).
- 4.7★ from 8,039 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6420 Erdman Ave, Baltimore, MD 21205
Based in Bel Air North, 4 mi away
89/100CR ScoreRanked #8 because of its Google rating and availability: 4.8★ from 285 Google reviews, open 24/7.
- 4.8★ from 285 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4 Newport Dr Suite J, Forest Hill, MD 21050
Based in Bel Air North, 6 mi away
89/100CR ScoreRanked #9 because of its Google rating and availability: 4.9★ from 411 Google reviews, open 24/7.
- 4.9★ from 411 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 19 Brocks Way, Jarrettsville, MD 21084
#10 Broyles HVACR
Based in Joppatowne, 9 mi away
89/100CR ScoreRanked #10 because of its Google rating and availability: 4.9★ from 244 Google reviews, open 24/7.
- 4.9★ from 244 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 37 Neptune Dr, Joppatowne, MD 21085
#11 Pure Air HVAC
Based in Bel Air North, 4 mi away
88/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 378 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 378 Google reviews
- Hours
- Mon–Fri 8 AM–7 PM · Sat 9 AM–3 PM · Sun 10 AM–3 PM
Based in Baltimore, 22 mi away
88/100CR ScoreRanked #12 because of its Google rating and availability: 5.0★ from 786 Google reviews, open 24/7.
- 5.0★ from 786 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 204 S Chapel St, Baltimore, MD 21231
#13 Comfort Air
Based in Fallston, 5 mi away
88/100CR ScoreRanked #13 because of its Google rating and availability: 5.0★ from 65 Google reviews, open 24/7.
- 5.0★ from 65 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2713 Belair Rd, Fallston, MD 21047
Based in Newark, 18 mi away
87/100CR ScoreRanked #14 because of its Google rating and availability: 4.9★ from 549 Google reviews, open 24/7.
- 4.9★ from 549 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Bel Air North, 5 mi away
87/100CR ScoreRanked #15 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
- 2028 Knotty Pine Dr, Abingdon, MD 21009
Based in Bel Air, 3 mi away
87/100CR ScoreRanked #16 because of its Google rating and availability: 4.8★ from 64 Google reviews, open 24/7.
- 4.8★ from 64 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1300 Enterprise Ct #105, Bel Air, MD 21014
#17 APJ HVAC and R
Based in Fallston, 4 mi away
87/100CR ScoreRanked #17 because of its Google rating and availability: 5.0★ from 43 Google reviews, open 24/7.
- 5.0★ from 43 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2403 Harford Rd, Fallston, MD 21047
Based in Timonium, 17 mi away
87/100CR ScoreRanked #18 because of its Google rating and availability: 4.8★ from 614 Google reviews, open 24/7.
- 4.8★ from 614 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9528 Deereco Rd, Timonium, MD 21093
Based in Essex, 17 mi away
87/100CR ScoreRanked #19 because of its Google rating and availability: 4.9★ from 369 Google reviews, open 24/7.
- 4.9★ from 369 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1 Mace Ave, Essex, MD 21221
Based in Essex, 17 mi away
87/100CR ScoreRanked #20 because of its Google rating and availability: 5.0★ from 195 Google reviews, open 24/7.
- 5.0★ from 195 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 613 Eastern Blvd, Essex, MD 21221
Based in Cockeysville, 10 mi away
87/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.9★ from 726 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 726 Google reviews
- Hours
- Mon–Fri 6:30 AM–7 PM · Sat 7 AM–7 PM · Sun 8 AM–7 PM
- Address
- 12076 Glen Arm Rd, Glen Arm, MD 21057
Based in Essex, 17 mi away
87/100CR ScoreRanked #22 because of its Google rating and availability: 4.8★ from 408 Google reviews, open 24/7.
- 4.8★ from 408 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 820 Eastern Blvd, Essex, MD 21221
Based in Bel Air, 3 mi away
86/100CR ScoreRanked #23 because of its Google rating and availability: 5.0★ from 49 Google reviews, open 24/7.
- 5.0★ from 49 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2005 Churchville Rd # 100, Bel Air, MD 21015
Based in Bel Air North, 4 mi away
86/100CR ScoreRanked #24 because of its Google rating and availability: 5.0★ from 27 Google reviews, open 24/7.
- 5.0★ from 27 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3085 Benefit Ct, Abingdon, MD 21009
Based in Bel Air North, 6 mi away
86/100CR ScoreRanked #25 because of its Google rating and availability: 4.8★ from 53 Google reviews, open 24/7.
- 4.8★ from 53 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1324 Sharon Acres Rd, Forest Hill, MD 21050
HVAC contractors ranked #26 to #50
#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 314 ranked HVAC contractors here; the rest are on their profiles.
Also serving South Bel Air
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 |
|---|---|---|
| AAA | 4.7★ (60) | 16 mi |
| Bennett Air Care LLC | 5.0★ (2) | 9 mi |
| Brothers HVAC LLC | 4.9★ (76) | 25 mi |
| Clarksburg's Heating and Air Conditioning | 5.0★ (1) | 4 mi |
| Clean HVAC & Airduct Cleaning Abingdon | 5.0★ (1) | 3 mi |
| Commercial CAD | 5.0★ (2) | 17 mi |
| Diligent Mechanical Services | 5.0★ (1) | 4 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 |
| Home Services at The Home Depot | 4.0★ (2) | 8 mi |
| New Age Plumbing and Mechanical LLC | 5.0★ (1) | 5 mi |
| R & G Plumbing & Heating | 5.0★ (2) | 17 mi |
| Scardina Plumbing-Heating Inc | 5.0★ (2) | 22 mi |
| Sheffield Air Duct Cleaning | 5.0★ (5) | 4 mi |
| Soul HVAC | 5.0★ (10) | 6 mi |
| Thomas Air Conditioning Services, Inc. | 5.0★ (2) | 4 mi |
| United Air Temp | 4.4★ (88) | 17 mi |
| W J House Plumbing & Heating | 5.0★ (1) | 5 mi |
| Warrior Plumbing & Heating | 4.9★ (400) | 21 mi |
How much do HVAC contractors cost in South Bel Air?
National price ranges in USD, not adjusted for South 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 |
How to check an HVAC contractor's license in Maryland
In Maryland, Maryland State Board of Heating, Ventilation, Air-Conditioning and Refrigeration Contractors licenses Heating, ventilation, air conditioning and refrigeration work.
- Check that the status is active and the name matches the contract or truck.
- 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 Maryland
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 South Bel Air HVAC contractors
We scored 314 South Bel Air 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 South Bel Air 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 |
HVAC contractors in South Bel Air: frequently asked questions
Who is the best HVAC contractor in South Bel Air?
By CR Score, the highest-ranked HVAC contractor in South Bel Air, MD is Blue Dot Services with a CR Score of 92/100. It has 4.5★ from 7,297 Google reviews. It is open 24/7. Anchor Mechanical LLC (#2) and Aire Serv of Bel Air (#3) follow. We ranked 314 HVAC contractors on 8 factors, last updated October 22, 2026.
How many HVAC contractors are there in South Bel Air?
ContractorsRanked ranks 314 HVAC contractors serving South Bel Air, MD. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in South Bel Air are open 24/7?
98 ranked HVAC contractors in South Bel Air post 24/7 hours. The highest-ranked are Blue Dot Services (#1), Anchor Mechanical LLC (#2) and Aire Serv of Bel Air (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in South Bel Air work on weekends?
186 of 314 ranked HVAC contractors post Saturday hours and 149 post Sunday hours. The highest-ranked open Saturdays are Blue Dot Services (#1), Anchor Mechanical LLC (#2) and Aire Serv of Bel Air (#3). Posted hours are office hours; crews may book weekend jobs separately.
How do I check an HVAC contractor's license in Maryland?
In Maryland, Maryland State Board of Heating, Ventilation, Air-Conditioning and Refrigeration Contractors handles licensing and covers Heating, ventilation, air conditioning and refrigeration work.
How much does ac replacement cost in South Bel Air?
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 South Bel Air. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do South Bel Air HVAC contractors have?
The median Google rating among 314 rated HVAC contractors in South Bel Air is 4.8★, with a median of 19 reviews. Michael & Son Services has the most, 8,039 reviews, and ranks #7. 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 South Bel Air?
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 South Bel Air
- October 2026: CR Scores recalculated for 314 hvac contractors serving South Bel Air.
- October 2026: 2 duplicate listings merged.
More HVAC contractors and South Bel Air pages
HVAC contractors near South Bel Air
- HVAC contractors in Bel Air, MD320 ranked
- HVAC contractors in North Bel Air, MD319 ranked
- HVAC contractors in Bel Air South, MD330 ranked
- HVAC contractors in Bel Air North, MD326 ranked
- HVAC contractors in Fallston, MD398 ranked
- HVAC contractors in Joppatowne, MD412 ranked
- HVAC contractors in Edgewood, MD383 ranked
- HVAC contractors in Aberdeen, MD240 ranked
- HVAC contractors in Perry Hall, MD520 ranked
- HVAC contractors in White Marsh, MD513 ranked
Other trades in South Bel Air
- Roofers in South Bel Air749 ranked
- Plumbers in South Bel Air235 ranked
- Electricians in South Bel Air202 ranked
- General contractors in South Bel Air369 ranked
- Painters in South Bel Air45 ranked
- Landscapers in South Bel Air96 ranked
- Handymen in South Bel Air31 ranked
- Kitchen remodelers in South Bel Air195 ranked
- Bathroom remodelers in South Bel Air189 ranked
- Flooring contractors in South Bel Air176 ranked
- Tile installers in South Bel Air29 ranked
- Concrete contractors in South Bel Air101 ranked
- Fence contractors in South Bel Air32 ranked
- Deck builders in South Bel Air99 ranked
- Siding contractors in South Bel Air355 ranked
- Window installers in South Bel Air349 ranked
- Gutter installers in South Bel Air91 ranked
- Insulation contractors in South Bel Air38 ranked
- Solar installers in South Bel Air83 ranked
- Garage door repair companies in South Bel Air28 ranked
- Foundation repair companies in South Bel Air110 ranked
- Tree services in South Bel Air71 ranked
- Masonry contractors in South Bel Air76 ranked
- Water damage restoration companies in South Bel Air369 ranked
- Home builders in South Bel Air330 ranked
- Demolition contractors in South Bel Air49 ranked
- All contractors in South Bel Air