306 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Ballenger Creek: Wenbrooke Services - Electrical, Plumbing, Heating and Air, CR Score 65/100; 4.8★ from 1,208 Google reviews; open 24/7.
Best for emergencies (open 24/7): Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical, posts 24/7 hours; ranked #3 of 306.
Most-reviewed: GAC Services, 6,908 Google reviews at 4.9★, the most of 306 ranked; ranked #9.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
306 Ballenger Creek HVAC contractors are ranked here by CR Score, from ten published factors. 85 are open 24/7, 184 open Saturdays and 129 open Sundays, based on posted hours. The median Google rating is 4.9★ across 306 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Wenbrooke Services - Electrical, Plumbing, Heating and Air | 65 | 4.8★ (1,208) | Frederick, 1 mi away | 24/7 | Overall |
| 2 | Tuckers Air Conditioning, Heating & Plumbing | 64 | 4.9★ (1,614) | Frederick, 1 mi away | Sat · Sun | — |
| 3 | Larry & Sons Plumbing, Heating, Cooling, Drain & Electrical | 64 | 4.8★ (932) | Frederick, 2 mi away | 24/7 | Emergencies |
| 4 | Smock Heating & Air | 64 | 5.0★ (1,623) | Frederick, 3 mi away | Sat · Sun · Evenings | — |
| 5 | Markool Heating Cooling Plumbing | 64 | 4.9★ (547) | Frederick, 3 mi away | 24/7 | — |
| 6 | United Air Temp | 63 | 4.7★ (928) | Frederick, 3 mi away | 24/7 | — |
| 7 | Urbana HVAC | 63 | 5.0★ (182) | Ballenger Creek | 24/7 | — |
| 8 | Warner Service | 63 | 4.8★ (537) | Frederick, 4 mi away | 24/7 | — |
| 9 | GAC Services | 63 | 4.9★ (6,908) | Gaithersburg, 21 mi away | 24/7 | Most reviews |
| 10 | Frederick Air Inc | 63 | 4.8★ (414) | Frederick, 4 mi away | 24/7 | — |
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.
Ranked #1 in Ballenger Creek
Based in Frederick, 1 mi away
Ranked #1 because of its Google rating and trade focus: 4.8★ from 1,208 Google reviews, listed on Google as “HVAC contractor”.
Based in Frederick, 1 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 1,614 Google reviews, listed on Google as “HVAC contractor”.
Based in Frederick, 2 mi away
Ranked #3 because of its Google rating and trade focus: 4.8★ from 932 Google reviews, listed on Google as “HVAC contractor”.
Based in Frederick, 3 mi away
Ranked #4 because of its Google rating and trade focus: 5.0★ from 1,623 Google reviews, listed on Google as “HVAC contractor”.
Based in Frederick, 3 mi away
Ranked #5 because of its Google rating and trade focus: 4.9★ from 547 Google reviews, listed on Google as “HVAC contractor”.
Based in Frederick, 3 mi away
Ranked #6 because of its Google rating and trade focus: 4.7★ from 928 Google reviews, listed on Google as “HVAC contractor”.
Based in Ballenger Creek
Ranked #7 because of its Google rating and trade focus: 5.0★ from 182 Google reviews, listed on Google as “HVAC contractor”.
Based in Frederick, 4 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 537 Google reviews, listed on Google as “HVAC contractor”.
Based in Gaithersburg, 21 mi away
Ranked #9 because of its Google rating and review volume: 4.9★ from 6,908 Google reviews, the most in Ballenger Creek.
Based in Frederick, 4 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 414 Google reviews, listed on Google as “HVAC contractor”.
Based in Frederick, 5 mi away
Ranked #11 because of its Google rating and trade focus: 5.0★ from 906 Google reviews, listed on Google as “HVAC contractor”.
Based in Frederick, 1 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 165 Google reviews, listed on Google as “HVAC contractor”.
Based in Frederick, 2 mi away
Ranked #13 because of its Google rating and trade focus: 4.5★ from 724 Google reviews, listed on Google as “HVAC contractor”.
Based in Frederick, 3 mi away
Ranked #14 because of its Google rating and trade focus: 5.0★ from 111 Google reviews, listed on Google as “HVAC contractor”.
Based in Leesburg, 20 mi away
Ranked #15 because of its Google rating and trade focus: 4.8★ from 3,718 Google reviews, listed on Google as “HVAC contractor”.
Based in Walkersville, 5 mi away
Ranked #16 because of its Google rating and trade focus: 4.8★ from 240 Google reviews, listed on Google as “HVAC contractor”.
Based in Gaithersburg, 20 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 1,701 Google reviews, listed on Google as “HVAC contractor”.
Based in Gaithersburg, 20 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 2,083 Google reviews, listed on Google as “HVAC contractor”.
Based in Frederick, 2 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 119 Google reviews, listed on Google as “HVAC contractor”.
Based in Ashburn, 22 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 2,314 Google reviews, listed on Google as “HVAC contractor”.
Based in Rockville, 25 mi away
Ranked #21 because of its Google rating and trade focus: 4.7★ from 5,985 Google reviews, listed on Google as “HVAC contractor”.
Based in Sterling, 24 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 1,428 Google reviews, listed on Google as “HVAC contractor”.
Based in Gaithersburg, 21 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 1,700 Google reviews, listed on Google as “HVAC contractor”.
Based in Mount Airy, 16 mi away
Ranked #24 because of its Google rating and trade focus: 4.7★ from 852 Google reviews, listed on Google as “HVAC contractor”.
Based in Frederick, 1 mi away
Ranked #25 because of its Google rating and trade focus: 4.9★ from 246 Google reviews, listed on Google as “HVAC contractor”.
#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 306 ranked HVAC contractors here; the rest are on their profiles.
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) | 22 mi |
| Abdul HVAC | 5.0★ (34) | 23 mi |
| Air Zone Systems, Inc | 5.0★ (2) | 24 mi |
| Akron Industrial Heating & Cooling | 4.5★ (8) | 3 mi |
| AM/PM Emergency Services a division of Robert E Clubb & Associates | 5.0★ (2) | 13 mi |
| ClemAIR Heating & Cooling, LLC | 5.0★ (9) | 8 mi |
| Clover Contracting: Plumbing, HVAC & Air Purification | 4.9★ (156) | 22 mi |
| Crescent Electric Inc | 5.0★ (1) | In Ballenger Creek |
| Cube Heating & Cooling | 5.0★ (96) | 24 mi |
| Heating & Cooling Certified Mechanic LLC | 5.0★ (2) | 11 mi |
| JD Howell Services, LLC | In Ballenger Creek | |
| Mayne Source Heating & Air | 5.0★ (2) | 14 mi |
| Mechanical Aire LLC | 5.0★ (2) | In Ballenger Creek |
| P W Scholl Plumbing & Heating Inc | 5.0★ (2) | 14 mi |
| Precision Heating & Cooling, Inc. | 2.8★ (12) | 10 mi |
| Relax HVAC Inc | 5.0★ (2) | 23 mi |
| Rockville Heating & Air Services | 5.0★ (2) | 23 mi |
| Seneff Heating & Air Inc | 5.0★ (2) | 21 mi |
| United Air Temp | 4.7★ (75) | 20 mi |
| Vito Services | 4.7★ (1,351) | 25 mi |
National price ranges in USD, not adjusted for Ballenger Creek. 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 |
In Maryland, Maryland State Board of Heating, Ventilation, Air-Conditioning and Refrigeration Contractors licenses Heating, ventilation, air conditioning and refrigeration work.
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
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.
We scored 306 Ballenger Creek 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 Ballenger Creek 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 |