93/100CR Score
Ranked #1 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
Best HVAC Contractors in Rosedale, MD (2026)
614 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Rosedale: Michael & Son Services, CR Score 93/100; 4.7★ from 8,039 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Complete Climate Services LLC, posts 24/7 hours; ranked #2 of 614.
- 14
Most-reviewed: Len The Plumber Heating & Air, LLC, 15,911 Google reviews at 4.7★, the most of 614 ranked; ranked #14.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
614 Rosedale HVAC contractors are ranked here by CR Score, from 8 published factors. 180 are open 24/7, 370 open Saturdays and 278 open Sundays, based on posted hours. The median Google rating is 4.8★ across 614 rated businesses.
Top 10 HVAC contractors in Rosedale at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Michael & Son Services | 93 | 4.7★ (8,039) | Baltimore, 2 mi away | 24/7 | Overall |
| 2 | Complete Climate Services LLC | 92 | 5.0★ (786) | Baltimore, 5 mi away | 24/7 | Emergencies |
| 3 | Maryland Heating & Air | 91 | 4.9★ (369) | Essex, 2 mi away | 24/7 | — |
| 4 | Boothe's Heating, Air, Plumbing, Drains & Electrical | 90 | 4.9★ (1,461) | Dundalk, 10 mi away | 24/7 | — |
| 5 | Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical | 90 | 4.8★ (4,514) | Baltimore, 13 mi away | 24/7 | — |
| 6 | Contemporary Air Systems, Inc. | 90 | 5.0★ (195) | Essex, 2 mi away | 24/7 | — |
| 7 | Hughes Mechanical, LLC | 90 | 4.8★ (408) | Essex, 3 mi away | 24/7 | — |
| 8 | Alpha Heating & Air Conditioning, LLC | 89 | 4.9★ (419) | Arbutus, 8 mi away | 24/7 | — |
| 9 | At Your Service Heating and Cooling LLC | 89 | 4.6★ (811) | Baltimore, 2 mi away | 24/7 | — |
| 10 | Reliability Home Services | 89 | 4.7★ (539) | Dundalk, 4 mi away | 24/7 | — |
The 614 best HVAC contractors in Rosedale, 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 Baltimore, 5 mi away
92/100CR ScoreRanked #2 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
Based in Essex, 2 mi away
91/100CR ScoreRanked #3 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 Dundalk, 10 mi away
90/100CR ScoreRanked #4 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 Baltimore, 13 mi away
90/100CR ScoreRanked #5 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 Essex, 2 mi away
90/100CR ScoreRanked #6 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 Essex, 3 mi away
90/100CR ScoreRanked #7 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 Arbutus, 8 mi away
89/100CR ScoreRanked #8 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
Based in Baltimore, 2 mi away
89/100CR ScoreRanked #9 because of its Google rating and availability: 4.6★ from 811 Google reviews, open 24/7.
- 4.6★ from 811 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 6801 Eastern Ave # 209, Baltimore, MD 21224
Based in Dundalk, 4 mi away
89/100CR ScoreRanked #10 because of its Google rating and availability: 4.7★ from 539 Google reviews, open 24/7.
- 4.7★ from 539 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4030 North Point Blvd suite a, Dundalk, MD 21222
Based in Baltimore, 6 mi away
89/100CR ScoreRanked #11 because of its Google rating and availability: 4.8★ from 354 Google reviews, open 24/7.
- 4.8★ from 354 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3510 Keswick Rd, Baltimore, MD 21211
Based in Kew Gardens Hills, 6 mi away
88/100CR ScoreRanked #12 because of its Google rating and availability: 4.9★ from 177 Google reviews, open 24/7.
- 4.9★ from 177 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Timonium, 11 mi away
88/100CR ScoreRanked #13 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 Arbutus, 10 mi away
88/100CR ScoreRanked #14 because of its Google rating and review volume: 4.7★ from 15,911 Google reviews, the most Google reviews on this list (15,911).
- 4.7★ from 15,911 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3610 Commerce Dr Suite 808, Halethorpe, MD 21227
Based in Annapolis, 23 mi away
88/100CR ScoreRanked #15 because of its Google rating and availability: 4.9★ from 2,904 Google reviews, open 24/7.
- 4.9★ from 2,904 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1991 Moreland Pkwy, Annapolis, MD 21401
Based in Rosedale
88/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 400 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 400 Google reviews
- Hours
- Mon–Sun 7 AM–9 PM
- Address
- 8227 Philadelphia Rd, Rosedale, MD 21237
Based in Dundalk, 4 mi away
88/100CR ScoreRanked #17 because of its Google rating and availability: 4.7★ from 247 Google reviews, open 24/7.
- 4.7★ from 247 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4030 North Point Blvd, Dundalk, MD 21222
#18 Broyles HVACR
Based in Joppatowne, 10 mi away
88/100CR ScoreRanked #18 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 Arbutus, 11 mi away
88/100CR ScoreRanked #19 because of its Google rating and availability: 4.9★ from 275 Google reviews, open 24/7.
- 4.9★ from 275 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5515 Selma Ave Suite 2B, Halethorpe, MD 21227
Based in Arbutus, 10 mi away
87/100CR ScoreRanked #20 because of its Google rating and availability: 4.9★ from 217 Google reviews, open 24/7.
- 4.9★ from 217 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5195 Raynor Ave, Linthicum Heights, MD 21090
#21 Farnen & Dermer
Based in Owings Mills, 16 mi away
87/100CR ScoreRanked #21 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
#22 HGH Mechanical
Based in Edgewood, 14 mi away
87/100CR ScoreRanked #22 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 Baltimore, 9 mi away
87/100CR ScoreRanked #23 because of its Google rating and availability: 4.8★ from 219 Google reviews, open 24/7.
- 4.8★ from 219 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3702 Yosemite Ave, Baltimore, MD 21215
Based in Arbutus, 10 mi away
87/100CR ScoreRanked #24 because of its Google rating and availability: 4.7★ from 472 Google reviews, open 24/7.
- 4.7★ from 472 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 707 Nursery Rd, Linthicum Heights, MD 21090
Based in Essex, 3 mi away
87/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 530 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 530 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 11 S Marlyn Ave, Essex, MD 21221
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 614 ranked HVAC contractors here; the rest are on their profiles.
Also serving Rosedale
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 |
|---|---|---|
| Around the Clock Plumbing & Heating | 5.0★ (2) | 12 mi |
| Bauer Mechanical | In Rosedale | |
| Bennett Air Care LLC | 5.0★ (2) | 11 mi |
| Capitol Boiler Works | 1.0★ (2) | 10 mi |
| Commercial CAD | 5.0★ (2) | 2 mi |
| D&J solutions LLC | 4.9★ (17) | 3 mi |
| DJE Plumbing and Heating | 5.0★ (2) | 7 mi |
| DM3 Heating & Air | 5.0★ (2) | 8 mi |
| Dundalks Heating & Cooling Company | In Rosedale | |
| Elite Heating And Cooling | 5.0★ (1) | In Rosedale |
| Elite Heating And Cooling | 3.0★ (2) | 6 mi |
| Greenfox Cooling, Heating & Plumbing | 4.8★ (238) | 17 mi |
| Home Services at The Home Depot | In Rosedale | |
| R & G Plumbing & Heating | 5.0★ (2) | 4 mi |
| Ready Air HVAC | 5.0★ (2) | 2 mi |
| Scardina Plumbing-Heating Inc | 5.0★ (2) | 5 mi |
| Shielded Edge Property Solutions | 5.0★ (2) | 11 mi |
| Summit Vt Solutions | 5.0★ (2) | In Rosedale |
| Tack Mechanical LLC | 4.8★ (57) | 9 mi |
| TRIO HVACR SERVICES | 5.0★ (2) | 3 mi |
How much do HVAC contractors cost in Rosedale?
National price ranges in USD, not adjusted for Rosedale. 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 Rosedale HVAC contractors
We scored 614 Rosedale 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 Rosedale 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 Rosedale: frequently asked questions
Who is the best HVAC contractor in Rosedale?
By CR Score, the highest-ranked HVAC contractor in Rosedale, MD is Michael & Son Services with a CR Score of 93/100. It has 4.7★ from 8,039 Google reviews. It is open 24/7. Complete Climate Services LLC (#2) and Maryland Heating & Air (#3) follow. We ranked 614 HVAC contractors on 8 factors, last updated October 22, 2026.
How many HVAC contractors are there in Rosedale?
ContractorsRanked ranks 614 HVAC contractors serving Rosedale, MD. 1 of them is based in Rosedale; 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 Rosedale are open 24/7?
180 ranked HVAC contractors in Rosedale post 24/7 hours. The highest-ranked are Michael & Son Services (#1), Complete Climate Services LLC (#2) and Maryland Heating & Air (#3). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Rosedale work on weekends?
370 of 614 ranked HVAC contractors post Saturday hours and 278 post Sunday hours. The highest-ranked open Saturdays are Michael & Son Services (#1), Complete Climate Services LLC (#2) and Maryland Heating & 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 Rosedale?
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 Rosedale. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Rosedale HVAC contractors have?
The median Google rating among 614 rated HVAC contractors in Rosedale is 4.8★, with a median of 20 reviews. Len The Plumber Heating & Air, LLC has the most, 15,911 reviews, and ranks #14. 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 Rosedale?
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 Rosedale
- October 2026: CR Scores recalculated for 614 hvac contractors serving Rosedale.
- October 2026: 2 duplicate listings merged.
More HVAC contractors and Rosedale pages
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- Roofers in Rosedale935 ranked
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- Electricians in Rosedale399 ranked
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- Kitchen remodelers in Rosedale455 ranked
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- Siding contractors in Rosedale403 ranked
- Window installers in Rosedale433 ranked
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- Insulation contractors in Rosedale91 ranked
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- Garage door repair companies in Rosedale75 ranked
- Foundation repair companies in Rosedale140 ranked
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