92/100CR Score
Ranked #1 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
Best HVAC Contractors in Lansdowne, MD (2026)
719 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Lansdowne: Complete Climate Services LLC, CR Score 92/100; 5.0★ from 786 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical, posts 24/7 hours; ranked #2 of 719.
- 5
Most-reviewed: Len The Plumber Heating & Air, LLC, 15,911 Google reviews at 4.7★, the most of 719 ranked; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
719 Lansdowne HVAC contractors are ranked here by CR Score, from 8 published factors. 201 are open 24/7, 421 open Saturdays and 314 open Sundays, based on posted hours. The median Google rating is 4.8★ across 719 rated businesses.
Top 10 HVAC contractors in Lansdowne at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Complete Climate Services LLC | 92 | 5.0★ (786) | Baltimore, 5 mi away | 24/7 | Overall |
| 2 | Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical | 92 | 4.8★ (4,514) | Baltimore, 8 mi away | 24/7 | Emergencies |
| 3 | Michael & Son Services | 92 | 4.7★ (8,039) | Baltimore, 8 mi away | 24/7 | — |
| 4 | Boothe's Heating, Air, Plumbing, Drains & Electrical | 91 | 4.9★ (1,461) | Dundalk, 8 mi away | 24/7 | — |
| 5 | Len The Plumber Heating & Air, LLC | 90 | 4.7★ (15,911) | Arbutus, 1 mi away | 24/7 | Most reviews |
| 6 | Sila Heating, Air Conditioning & Plumbing | 90 | 4.9★ (275) | Arbutus, 2 mi away | 24/7 | — |
| 7 | Alpha Heating & Air Conditioning, LLC | 90 | 4.9★ (419) | Arbutus, 5 mi away | 24/7 | — |
| 8 | Fresh Air Concepts, LLC | 90 | 4.9★ (217) | Arbutus, 2 mi away | 24/7 | — |
| 9 | Arundel Service Experts | 89 | 4.7★ (472) | Arbutus, 2 mi away | 24/7 | — |
| 10 | Environmental Systems Associates | 89 | 4.9★ (658) | Columbia, 11 mi away | 24/7 | — |
The 719 best HVAC contractors in Lansdowne, 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, 8 mi away
92/100CR ScoreRanked #2 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 Baltimore, 8 mi away
92/100CR 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 Dundalk, 8 mi away
91/100CR 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 Arbutus, 1 mi away
90/100CR ScoreRanked #5 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 Arbutus, 2 mi away
90/100CR ScoreRanked #6 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, 5 mi away
90/100CR ScoreRanked #7 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 Arbutus, 2 mi away
90/100CR ScoreRanked #8 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
Based in Arbutus, 2 mi away
89/100CR ScoreRanked #9 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 Columbia, 11 mi away
89/100CR ScoreRanked #10 because of its Google rating and availability: 4.9★ from 658 Google reviews, open 24/7.
- 4.9★ from 658 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 9375 Gerwig Ln J, Columbia, MD 21046
#11 Tario HVAC, LLC
Based in Arbutus, 2 mi away
89/100CR ScoreRanked #11 because of its Google rating and availability: 4.9★ from 142 Google reviews, open 24/7.
- 4.9★ from 142 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 1319 Maple Ave, Halethorpe, MD 21227
Based in Annapolis, 20 mi away
89/100CR ScoreRanked #12 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 Hanover, 6 mi away
89/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 2,167 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 2,167 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2600 Cabover Dr unit a, Hanover, MD 21076
Based in Baltimore, 6 mi away
89/100CR ScoreRanked #14 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, 5 mi away
88/100CR ScoreRanked #15 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
#16 Ambient LLC
Based in Severn, 7 mi away
88/100CR ScoreRanked #16 because of its Google rating and availability: 4.8★ from 336 Google reviews, open 24/7.
- 4.8★ from 336 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 508 Shaw Ct #103, Severn, MD 21144
Based in Arbutus, 1 mi away
88/100CR ScoreRanked #17 because of its Google rating and availability: 4.9★ from 82 Google reviews, open 24/7.
- 4.9★ from 82 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3922 Vero Rd Rear L, Halethorpe, MD 21227
Based in Essex, 11 mi away
88/100CR ScoreRanked #18 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 Hanover, 6 mi away
88/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 729 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 729 Google reviews
- Hours
- Mon–Sun 7:30 AM–5 PM
- Address
- 7380 Coca Cola Dr Suite 121, Hanover, MD 21076
Based in Baltimore, 2 mi away
88/100CR ScoreRanked #20 because of its Google rating and availability: 4.8★ from 121 Google reviews, open 24/7.
- 4.8★ from 121 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Crofton, 18 mi away
88/100CR ScoreRanked #21 because of its Google rating and availability: 4.9★ from 1,156 Google reviews, open 24/7.
- 4.9★ from 1,156 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2142 Priest Bridge Court #6, Crofton, MD 21114
#22 Farnen & Dermer
Based in Owings Mills, 14 mi away
88/100CR ScoreRanked #22 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
Based in Essex, 11 mi away
88/100CR ScoreRanked #23 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 Baltimore, 6 mi away
88/100CR ScoreRanked #24 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 Baltimore, 8 mi away
88/100CR ScoreRanked #25 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
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 719 ranked HVAC contractors here; the rest are on their profiles.
Also serving Lansdowne
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 |
|---|---|---|
| A.J. Michaels | 4.5★ (309) | 7 mi |
| All About Everything HVAC & Maintenance | 3.0★ (2) | 12 mi |
| Around the Clock Plumbing & Heating | 5.0★ (2) | 3 mi |
| Beltway Air Conditioning, Heating & Plumbing | 4.9★ (90) | 11 mi |
| Capitol Boiler Works | 1.0★ (2) | 1 mi |
| Commercial CAD | 5.0★ (2) | 11 mi |
| DJE Plumbing and Heating | 5.0★ (2) | 7 mi |
| DM3 Heating & Air | 5.0★ (2) | 11 mi |
| Eco Heating Systems and Mechanical, LLC | 5.0★ (1) | In Lansdowne |
| garagedoorsrepairellicottcitymd | 5.0★ (2) | 8 mi |
| Meleney Equipment Inc | 5.0★ (2) | 11 mi |
| oncall-garageservice | 5.0★ (2) | 7 mi |
| Palmer Heating and Cooling | 5.0★ (2) | 11 mi |
| Ready Air HVAC | 5.0★ (2) | 7 mi |
| ROCKY LLC | 4.6★ (253) | 9 mi |
| Scardina Plumbing-Heating Inc | 5.0★ (2) | 5 mi |
| Severns Heating and Air Conditioning | In Lansdowne | |
| Shielded Edge Property Solutions | 5.0★ (2) | 2 mi |
| Tack Mechanical LLC | 4.8★ (57) | 6 mi |
| TRIO HVACR SERVICES | 5.0★ (2) | 11 mi |
How much do HVAC contractors cost in Lansdowne?
National price ranges in USD, not adjusted for Lansdowne. 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 Lansdowne HVAC contractors
We scored 719 Lansdowne 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 Lansdowne 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 Lansdowne: frequently asked questions
Who is the best HVAC contractor in Lansdowne?
By CR Score, the highest-ranked HVAC contractor in Lansdowne, MD is Complete Climate Services LLC with a CR Score of 92/100. It has 5.0★ from 786 Google reviews. It is open 24/7. Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical (#2) and Michael & Son Services (#3) follow. We ranked 719 HVAC contractors on 8 factors, last updated October 22, 2026.
How many HVAC contractors are there in Lansdowne?
ContractorsRanked ranks 719 HVAC contractors serving Lansdowne, MD. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in Lansdowne are open 24/7?
201 ranked HVAC contractors in Lansdowne post 24/7 hours. The highest-ranked are Complete Climate Services LLC (#1), Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical (#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 Lansdowne work on weekends?
421 of 719 ranked HVAC contractors post Saturday hours and 314 post Sunday hours. The highest-ranked open Saturdays are Complete Climate Services LLC (#1), Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical (#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 Lansdowne?
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 Lansdowne. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Lansdowne HVAC contractors have?
The median Google rating among 719 rated HVAC contractors in Lansdowne is 4.8★, with a median of 20 reviews. Len The Plumber Heating & Air, LLC has the most, 15,911 reviews, and ranks #5. 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 Lansdowne?
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 Lansdowne
- October 2026: CR Scores recalculated for 719 hvac contractors serving Lansdowne.
- October 2026: 3 duplicate listings merged.
More HVAC contractors and Lansdowne pages
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