64/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 6,908 Google reviews, the most in Urbana.
- 4.9★ from 6,908 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 227 E Deer Park Dr, Gaithersburg, MD 20877
Best HVAC Contractors in Urbana, MD (2026)
385 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Urbana: GAC Services, CR Score 64/100; 4.9★ from 6,908 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Wenbrooke Services - Electrical, Plumbing, Heating and Air, posts 24/7 hours; ranked #2 of 385.
- 15
Most-reviewed: F.H. Furr Plumbing, Heating, Air Conditioning & Electrical, 5,985 Google reviews at 4.7★, the most of 385 ranked after GAC Services; ranked #15.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
385 Urbana HVAC contractors are ranked here by CR Score, from ten published factors. 105 are open 24/7, 238 open Saturdays and 162 open Sundays, based on posted hours. The median Google rating is 4.9★ across 385 rated businesses.
Top 10 HVAC contractors in Urbana at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | GAC Services | 64 | 4.9★ (6,908) | Gaithersburg, 16 mi away | 24/7 | Overall |
| 2 | Wenbrooke Services - Electrical, Plumbing, Heating and Air | 64 | 4.8★ (1,208) | Frederick, 5 mi away | 24/7 | Emergencies |
| 3 | Smock Heating & Air | 64 | 5.0★ (1,623) | Frederick, 5 mi away | Sat · Sun · Evenings | — |
| 4 | Tuckers Air Conditioning, Heating & Plumbing | 63 | 4.9★ (1,614) | Frederick, 5 mi away | Sat · Sun | — |
| 5 | Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical | 63 | 4.8★ (932) | Frederick, 6 mi away | 24/7 | — |
| 6 | Markool Heating Cooling Plumbing | 63 | 4.9★ (547) | Frederick, 8 mi away | 24/7 | — |
| 7 | Presidential, Inc. | 63 | 4.9★ (1,701) | Gaithersburg, 15 mi away | 24/7 | — |
| 8 | Warner Service | 62 | 4.8★ (537) | Frederick, 6 mi away | 24/7 | — |
| 9 | Urbana HVAC | 62 | 5.0★ (182) | Ballenger Creek, 5 mi away | 24/7 | — |
| 10 | Michael Bonsby HVAC, Plumbing & Electrical | 62 | 4.8★ (2,083) | Gaithersburg, 15 mi away | 24/7 | — |
The 385 best HVAC contractors in Urbana, ranked
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.
Based in Frederick, 5 mi away
64/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 1,208 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 1,208 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4907 International Blvd #113, Frederick, MD 21703
Based in Frederick, 5 mi away
64/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 1,623 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 1,623 Google reviews
- Hours
- Mon–Sun 8 AM–8 PM
- Address
- 1539 Tilco Dr Unit 104, Frederick, MD 21704
Based in Frederick, 5 mi away
63/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 1,614 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,614 Google reviews
- Hours
- Mon–Sun 8 AM–5 PM
- Address
- 4650 Wedgewood Blvd #102, Frederick, MD 21703
Based in Frederick, 6 mi away
63/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.8★ from 932 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 932 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5744 Industry Ln Suite N, Frederick, MD 21704
Based in Frederick, 8 mi away
63/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 547 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 547 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5304C Kings Ct, Frederick, MD 21703
Based in Gaithersburg, 15 mi away
63/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 1,701 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 1,701 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 8000 Cessna Ave, Gaithersburg, MD 20879
Based in Frederick, 6 mi away
62/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 537 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 537 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 217 Monroe Ave, Frederick, MD 21701
#9 Urbana HVAC
Based in Ballenger Creek, 5 mi away
62/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 182 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 182 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
Based in Gaithersburg, 15 mi away
62/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.8★ from 2,083 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 2,083 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7940 Cessna Ave, Gaithersburg, MD 20879
Based in Frederick, 8 mi away
62/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 906 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 906 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat 9 AM–1 PM · Sun 9 AM–12 PM
- Address
- 8420 Gas House Pike DD, Frederick, MD 21701
Based in Frederick, 6 mi away
62/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.8★ from 414 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 414 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 3 King Ave, Frederick, MD 21701
#13 United Air Temp
Based in Frederick, 8 mi away
62/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.7★ from 928 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 928 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5305 Jefferson Pike Suite 5, Frederick, MD 21703
#14 M.E. Flow
Based in Leesburg, 19 mi away
62/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.8★ from 3,718 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 3,718 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 12 Cardinal Park Dr SE STE 107, Leesburg, VA 20175
Based in Rockville, 20 mi away
62/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.7★ from 5,985 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 5,985 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 685 Lofstrand Ln, Rockville, MD 20850
Based in Gaithersburg, 15 mi away
62/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.8★ from 1,700 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 1,700 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 7901 Beechcraft Ave Suite C, Gaithersburg, MD 20879
Based in Frederick, 4 mi away
62/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.5★ from 724 Google reviews, listed on Google as “HVAC contractor”.
- 4.5★ from 724 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 5123 Pegasus Ct Suites K-N, Frederick, MD 21704
Based in Sterling, 21 mi away
61/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 1,428 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 1,428 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 45975 Nokes Blvd Suite 100, Sterling, VA 20166
Based in Sterling, 23 mi away
61/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.9★ from 2,958 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 2,958 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 104 Carpenter Dr Suite D, Sterling, VA 20164
Based in Ashburn, 19 mi away
61/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.8★ from 2,314 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 2,314 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 20145 Ashbrook Pl #110, Ashburn, VA 20147
Based in Mount Airy, 12 mi away
61/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.7★ from 852 Google reviews, listed on Google as “HVAC contractor”.
- 4.7★ from 852 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 2702 Back Acre Cir, Mt Airy, MD 21771
Based in Sterling, 24 mi away
61/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.8★ from 5,283 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 5,283 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 22977 Eaglewood Ct STE 130, Sterling, VA 20166
Based in Frederick, 5 mi away
61/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.8★ from 165 Google reviews, listed on Google as “HVAC contractor”.
- 4.8★ from 165 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 4959 New Design Rd, Frederick, MD 21703
Based in Sterling, 24 mi away
61/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 2,807 Google reviews, listed on Google as “HVAC contractor”.
- 4.9★ from 2,807 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 101-A Executive Dr STE 200, Sterling, VA 20166
Based in Frederick, 7 mi away
61/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 111 Google reviews, listed on Google as “HVAC contractor”.
- 5.0★ from 111 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 617 W Patrick St Suite 220, Frederick, MD 21701
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 385 ranked HVAC contractors here; the rest are on their profiles.
Also serving Urbana
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 Blessing Mechanical, LLC | 5.0★ (2) | 17 mi |
| Air Zone Systems, Inc | 5.0★ (2) | 23 mi |
| Akron Industrial Heating & Cooling | 4.5★ (8) | 7 mi |
| AM/PM Emergency Services a division of Robert E Clubb & Associates | 5.0★ (2) | 8 mi |
| AMS Air Conditioning & Heating | 4.9★ (116) | 21 mi |
| ClemAIR Heating & Cooling, LLC | 5.0★ (9) | 7 mi |
| Clover Contracting: Plumbing, HVAC & Air Purification | 4.9★ (156) | 20 mi |
| Cube Heating & Cooling | 5.0★ (96) | 22 mi |
| Dave's Heating & Air Conditioning | 4.8★ (138) | 23 mi |
| Davis Plumbing & Heating Inc | 5.0★ (2) | 22 mi |
| Heating & Cooling Certified Mechanic LLC | 5.0★ (2) | 17 mi |
| Homeland Heating and Air Conditioning | 5.0★ (25) | 12 mi |
| Mayne Source Heating & Air | 5.0★ (2) | 11 mi |
| P W Scholl Plumbing & Heating Inc | 5.0★ (2) | 9 mi |
| Premier Home Comfort | 5.0★ (226) | 24 mi |
| Relax HVAC Inc | 5.0★ (2) | 21 mi |
| Sears Heating and Air Conditioning | 3.0★ (2) | 25 mi |
| Seneff Heating & Air Inc | 5.0★ (2) | 20 mi |
| United Air Temp | 4.7★ (75) | 14 mi |
| Vito Services | 4.7★ (1,351) | 20 mi |
How much do HVAC contractors cost in Urbana?
National price ranges in USD, not adjusted for Urbana. 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 Urbana HVAC contractors
We scored 385 Urbana 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 Urbana 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 |
HVAC contractors in Urbana: frequently asked questions
Who is the best HVAC contractor in Urbana?
By CR Score, the highest-ranked HVAC contractor in Urbana, MD is GAC Services with a CR Score of 64/100. It has 4.9★ from 6,908 Google reviews. It is open 24/7. Wenbrooke Services - Electrical, Plumbing, Heating and Air (#2) and Smock Heating & Air (#3) follow. We ranked 385 HVAC contractors on ten factors, last updated October 22, 2026.
How many HVAC contractors are there in Urbana?
ContractorsRanked ranks 385 HVAC contractors serving Urbana, MD. Another 20 within 25 mi are listed but not ranked yet. Counts are as of October 2026.
Which HVAC contractors in Urbana are open 24/7?
105 ranked HVAC contractors in Urbana post 24/7 hours. The highest-ranked are GAC Services (#1), Wenbrooke Services - Electrical, Plumbing, Heating and Air (#2) and Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical (#5). Hours come from each business's Google listing as of October 2026, so call to confirm.
Which HVAC contractors in Urbana work on weekends?
238 of 385 ranked HVAC contractors post Saturday hours and 162 post Sunday hours. The highest-ranked open Saturdays are GAC Services (#1), Wenbrooke Services - Electrical, Plumbing, Heating and Air (#2) and Smock 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 Urbana?
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 Urbana. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Urbana HVAC contractors have?
The median Google rating among 385 rated HVAC contractors in Urbana is 4.9★, with a median of 30 reviews. GAC Services has the most, 6,908 reviews, and ranks #1. 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 Urbana?
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 Urbana
- October 2026: CR Scores recalculated for 385 hvac contractors serving Urbana.
More HVAC contractors and Urbana pages
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Other trades in Urbana
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- Plumbers in Urbana321 ranked
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- Landscapers in Urbana150 ranked
- Handymen in Urbana67 ranked
- Kitchen remodelers in Urbana442 ranked
- Bathroom remodelers in Urbana437 ranked
- Flooring contractors in Urbana259 ranked
- Tile installers in Urbana26 ranked
- Drywall contractors in Urbana5 ranked
- Concrete contractors in Urbana104 ranked
- Fence contractors in Urbana85 ranked
- Deck builders in Urbana224 ranked
- Siding contractors in Urbana525 ranked
- Window installers in Urbana537 ranked
- Gutter installers in Urbana131 ranked
- Insulation contractors in Urbana44 ranked
- Solar installers in Urbana150 ranked
- Garage door repair companies in Urbana63 ranked
- Foundation repair companies in Urbana179 ranked
- Tree services in Urbana155 ranked
- Masonry contractors in Urbana109 ranked
- Water damage restoration companies in Urbana696 ranked
- Home builders in Urbana703 ranked
- Demolition contractors in Urbana40 ranked
- All contractors in Urbana