90/100CR 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 Fallston, MD (2026)
378 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Fallston: Blue Dot Services, CR Score 90/100; 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 378.
- 38
Most-reviewed: Len The Plumber Heating & Air, LLC, 15,911 Google reviews at 4.7★, the most of 378 ranked; ranked #38.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
378 Fallston HVAC contractors are ranked here by CR Score, from 8 published factors. 122 are open 24/7, 224 open Saturdays and 181 open Sundays, based on posted hours. The median Google rating is 4.8★ across 378 rated businesses.
Top 10 HVAC contractors in Fallston at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Blue Dot Services | 90 | 4.5★ (7,297) | Bel Air North, 5 mi away | 24/7 | Overall |
| 2 | Anchor Mechanical LLC | 90 | 4.9★ (340) | Bel Air North, 5 mi away | 24/7 | Emergencies |
| 3 | Michael & Son Services | 89 | 4.7★ (8,039) | Baltimore, 16 mi away | 24/7 | — |
| 4 | HGH Mechanical | 89 | 4.9★ (337) | Edgewood, 7 mi away | 24/7 | — |
| 5 | Aire Serv of Bel Air | 89 | 4.9★ (309) | Bel Air North, 7 mi away | 24/7 | — |
| 6 | Comfort Air | 89 | 5.0★ (65) | Fallston | 24/7 | — |
| 7 | First Response Heating & Cooling | 89 | 4.8★ (285) | Bel Air North, 5 mi away | 24/7 | — |
| 8 | Horizon Services - Air Conditioning, Heating, Plumbing & Electrical | 88 | 4.8★ (2,282) | Havre de Grace, 17 mi away | 24/7 | — |
| 9 | Broyles HVACR | 88 | 4.9★ (244) | Joppatowne, 8 mi away | 24/7 | — |
| 10 | Griff's Heating and Air | 88 | 5.0★ (93) | Bel Air, 4 mi away | 24/7 | — |
The 378 best HVAC contractors in Fallston, 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, 5 mi away
90/100CR 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 Baltimore, 16 mi away
89/100CR ScoreRanked #3 because of its Google rating and availability: 4.7★ from 8,039 Google reviews, open 24/7.
- 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 Edgewood, 7 mi away
89/100CR ScoreRanked #4 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 North, 7 mi away
89/100CR ScoreRanked #5 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
#6 Comfort Air
Based in Fallston
89/100CR ScoreRanked #6 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 Bel Air North, 5 mi away
89/100CR ScoreRanked #7 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 Havre de Grace, 17 mi away
88/100CR ScoreRanked #8 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 Joppatowne, 8 mi away
88/100CR ScoreRanked #9 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
Based in Bel Air, 4 mi away
88/100CR ScoreRanked #10 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, 18 mi away
88/100CR ScoreRanked #11 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
#12 Excel Services
Based in Bel Air North, 7 mi away
88/100CR ScoreRanked #12 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
#13 APJ HVAC and R
Based in Fallston
88/100CR ScoreRanked #13 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 Baltimore, 23 mi away
88/100CR ScoreRanked #14 because of its Google rating and availability: 4.8★ from 4,514 Google reviews, open 24/7.
- 4.8★ from 4,514 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2607 Rolling Rd. #201, Windsor Mill, MD 21244
Based in Timonium, 13 mi away
88/100CR ScoreRanked #15 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, 15 mi away
87/100CR ScoreRanked #16 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 Cockeysville, 6 mi away
87/100CR ScoreRanked #17 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, 15 mi away
87/100CR ScoreRanked #18 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
#19 Pure Air HVAC
Based in Bel Air North, 6 mi away
87/100CR ScoreRanked #19 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 Fallston
87/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.9★ from 220 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 220 Google reviews
- Hours
- Mon–Sat 7:30 AM–10 PM · Sun 11 AM–10 PM
- Address
- 2501 Derby Dr, Fallston, MD 21047
Based in Dundalk, 25 mi away
87/100CR ScoreRanked #21 because of its Google rating and availability: 4.9★ from 1,461 Google reviews, open 24/7.
- 4.9★ from 1,461 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7600 Energy Pkwy Suite 114, Curtis Bay Industrial Area, MD 21226
Based in Essex, 14 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 North, 7 mi away
86/100CR ScoreRanked #23 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 Arbutus, 19 mi away
86/100CR ScoreRanked #24 because of its Google rating and availability: 4.9★ from 419 Google reviews, open 24/7.
- 4.9★ from 419 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
#25 Farnen & Dermer
Based in Owings Mills, 21 mi away
86/100CR ScoreRanked #25 because of its Google rating and availability: 4.8★ from 931 Google reviews, open 24/7.
- 4.8★ from 931 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 10500 Reisterstown Rd, Owings Mills, MD 21117
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 378 ranked HVAC contractors here; the rest are on their profiles.
Also serving Fallston
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 |
|---|---|---|
| Arundel Service Experts | 4.7★ (472) | 24 mi |
| Bennett Air Care LLC | 5.0★ (2) | 8 mi |
| Capitol Boiler Works | 1.0★ (2) | 23 mi |
| Comfort Pro’s HVAC Services LLC | 5.0★ (1) | In Fallston |
| Commercial CAD | 5.0★ (2) | 15 mi |
| DJE Plumbing and Heating | 5.0★ (2) | 22 mi |
| DM3 Heating & Air | 5.0★ (2) | 21 mi |
| Elite Heating And Cooling | 3.0★ (2) | 11 mi |
| Fallston Chimney | 5.0★ (1) | In Fallston |
| James Brown AB Plumbing and Heating of Maryland | 5.0★ (1) | 3 mi |
| Moxley Mechanical Services, LLC | 5.0★ (1) | 3 mi |
| One Hour Air Conditioning & Heating® of Harford County | 4.8★ (292) | 7 mi |
| Palardy Plumbing & Heating Inc | In Fallston | |
| R & G Plumbing & Heating | 5.0★ (2) | 15 mi |
| Scardina Plumbing-Heating Inc | 5.0★ (2) | 18 mi |
| Shielded Edge Property Solutions | 5.0★ (2) | 25 mi |
| Tario HVAC, LLC | 4.9★ (142) | 24 mi |
| Thomas Air Conditioning Services, Inc. | 5.0★ (2) | 6 mi |
| United Air Temp | 4.4★ (88) | 13 mi |
| W J House Plumbing & Heating | 5.0★ (1) | 4 mi |
How much do HVAC contractors cost in Fallston?
National price ranges in USD, not adjusted for Fallston. 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 Fallston HVAC contractors
We scored 378 Fallston 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 Fallston 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 Fallston: frequently asked questions
Who is the best HVAC contractor in Fallston?
By CR Score, the highest-ranked HVAC contractor in Fallston, MD is Blue Dot Services with a CR Score of 90/100. It has 4.5★ from 7,297 Google reviews. It is open 24/7. Anchor Mechanical LLC (#2) and Michael & Son Services (#3) follow. We ranked 378 HVAC contractors on 8 factors, last updated October 22, 2026.
How many HVAC contractors are there in Fallston?
ContractorsRanked ranks 378 HVAC contractors serving Fallston, MD. 3 of them are based in Fallston; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in Fallston are open 24/7?
122 ranked HVAC contractors in Fallston post 24/7 hours. The highest-ranked are Blue Dot Services (#1), Anchor Mechanical LLC (#2) and Michael & Son Services (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Fallston work on weekends?
224 of 378 ranked HVAC contractors post Saturday hours and 181 post Sunday hours. The highest-ranked open Saturdays are Blue Dot Services (#1), Anchor Mechanical LLC (#2) and Michael & Son Services (#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 Fallston?
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 Fallston. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Fallston HVAC contractors have?
The median Google rating among 378 rated HVAC contractors in Fallston is 4.8★, with a median of 20 reviews. Len The Plumber Heating & Air, LLC has the most, 15,911 reviews, and ranks #38. 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 Fallston?
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 Fallston
- October 2026: CR Scores recalculated for 378 hvac contractors serving Fallston.
- October 2026: 2 duplicate listings merged.
More HVAC contractors and Fallston pages
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