775 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Potomac Mills: Michael Bonsby HVAC, Plumbing and Electrical, CR Score 64/100; 4.8★ from 2,138 Google reviews; open 24/7.
Best for emergencies (open 24/7): Leonard Splaine Co., posts 24/7 hours; ranked #2 of 775.
Most-reviewed: F.H. Furr Plumbing, Heating, Air Conditioning & Electrical, 17,172 Google reviews at 4.8★, the most of 775 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
775 Potomac Mills HVAC contractors are ranked here by CR Score, from ten published factors. 262 are open 24/7, 554 open Saturdays and 374 open Sundays, based on posted hours. The median Google rating is 4.9★ across 775 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Michael Bonsby HVAC, Plumbing and Electrical | 64 | 4.8★ (2,138) | Dale City, 3 mi away | 24/7 | Overall |
| 2 | Leonard Splaine Co. | 64 | 4.9★ (1,060) | Dale City, 3 mi away | 24/7 | Emergencies |
| 3 | F.H. Furr Plumbing, Heating, Air Conditioning & Electrical | 64 | 4.8★ (17,172) | Manassas, 15 mi away | 24/7 | Most reviews |
| 4 | Michael & Son Services | 64 | 4.7★ (15,537) | Alexandria, 12 mi away | 24/7 | — |
| 5 | United Air Temp | 63 | 4.7★ (1,754) | Dale City, 3 mi away | 24/7 | — |
| 6 | F.H. Furr Plumbing, Heating, Air Conditioning & Electrical | 63 | 4.7★ (4,469) | Lorton, 8 mi away | 24/7 | — |
| 7 | Reddick & Sons, Inc | 63 | 5.0★ (3,027) | Manassas, 14 mi away | 24/7 | — |
| 8 | John C. Flood | 63 | 4.8★ (4,976) | Alexandria, 13 mi away | 24/7 | — |
| 9 | Alex Hvac Service LLC | 62 | 4.9★ (310) | Dale City, 2 mi away | 24/7 | — |
| 10 | CroppMetcalfe | 62 | 4.8★ (7,638) | Fairfax, 16 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 Potomac Mills
Based in Dale City, 3 mi away
Ranked #1 because of its Google rating and trade focus: 4.8★ from 2,138 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Dale City, 3 mi away
Ranked #2 because of its Google rating and trade focus: 4.9★ from 1,060 Google reviews, listed on Google as “HVAC contractor”.
Based in Manassas, 15 mi away
Ranked #3 because of its Google rating and review volume: 4.8★ from 17,172 Google reviews, the most in Potomac Mills.
Based in Alexandria, 12 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 15,537 Google reviews, listed on Google as “HVAC contractor”.
Based in Dale City, 3 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 1,754 Google reviews, listed on Google as “HVAC contractor”.
Based in Lorton, 8 mi away
Ranked #6 because of its Google rating and trade focus: 4.7★ from 4,469 Google reviews, listed on Google as “HVAC contractor”.
Based in Manassas, 14 mi away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 3,027 Google reviews, listed on Google as “HVAC contractor”.
Based in Alexandria, 13 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 4,976 Google reviews, listed on Google as “HVAC contractor”.
Based in Dale City, 2 mi away
Ranked #9 because of its Google rating and trade focus: 4.9★ from 310 Google reviews, listed on Google as “HVAC contractor”.
Based in Fairfax, 16 mi away
Ranked #10 because of its Google rating and trade focus: 4.8★ from 7,638 Google reviews, listed on Google as “HVAC contractor”.
Based in Lorton, 7 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 770 Google reviews, listed on Google as “HVAC contractor”.
Based in Lorton, 7 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 908 Google reviews, listed on Google as “HVAC contractor”.
Based in Dumfries, 4 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 348 Google reviews, listed on Google as “HVAC contractor”.
Based in Lorton, 7 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 866 Google reviews, listed on Google as “HVAC contractor”.
Based in Lorton, 7 mi away
Ranked #15 because of its Google rating and trade focus: 4.9★ from 507 Google reviews, listed on Google as “HVAC contractor”.
Based in Lorton, 8 mi away
Ranked #16 because of its Google rating and trade focus: 4.7★ from 1,169 Google reviews, listed on Google as “HVAC contractor”.
Based in Springfield, 12 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 966 Google reviews, listed on Google as “HVAC contractor”.
Based in Alexandria, 14 mi away
Ranked #18 because of its Google rating and trade focus: 4.9★ from 1,631 Google reviews, listed on Google as “HVAC contractor”.
Based in Manassas, 12 mi away
Ranked #19 because of its Google rating and trade focus: 4.5★ from 5,934 Google reviews, listed on Google as “HVAC contractor”.
Based in Alexandria, 15 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 959 Google reviews, listed on Google as “HVAC contractor”.
Based in Lorton, 5 mi away
Ranked #21 because of its Google rating and trade focus: 4.9★ from 788 Google reviews, listed on Google as “HVAC contractor”.
Based in Manassas, 9 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 272 Google reviews, listed on Google as “HVAC contractor”.
Based in Fairfax, 16 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 1,794 Google reviews, listed on Google as “HVAC contractor”.
Based in Alexandria, 12 mi away
Ranked #24 because of its Google rating and trade focus: 4.8★ from 1,318 Google reviews, listed on Google as “HVAC contractor”.
Based in Springfield, 8 mi away
Ranked #25 because of its Google rating and trade focus: 4.4★ from 3,547 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 775 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 |
|---|---|---|
| (HVACR) Lord refrigeration | 3.0★ (2) | 8 mi |
| Air Max HVACR | 5.0★ (2) | 11 mi |
| AJ Heating and AC, Inc. | 5.0★ (2) | 11 mi |
| AllTech Services, Inc | 4.9★ (33) | 2 mi |
| Alta Vista Heating & Air Conditioning | 3.0★ (2) | 12 mi |
| American Air Services Inc | 5.0★ (2) | 1 mi |
| AY Comfort, Inc. | 5.0★ (2) | 6 mi |
| BBG Contracting | 4.5★ (2) | 6 mi |
| Brad Knows HVAC | 5.0★ (2) | 11 mi |
| Construction Trade Services | 3.0★ (2) | 8 mi |
| Cyprus Air Heating, Cooling and Fireplaces | 4.3★ (2,189) | 14 mi |
| DM Select Services | 5.0★ (2) | 5 mi |
| James Ozie's Heating & AC | 5.0★ (2) | 11 mi |
| Legacy Home Comfort | 4.6★ (40) | 1 mi |
| Len the Plumber Heating & Air, LLC | 4.7★ (6,899) | 12 mi |
| Parrish Services | 4.8★ (1,816) | 17 mi |
| Power, LLC | 5.0★ (2) | 11 mi |
| Sears Window Replacement | 2.5★ (2) | 11 mi |
| THE ELECTRICIANS | 3.0★ (2) | 11 mi |
| UNIAIRE(Chantilly) | 3.0★ (2) | 12 mi |
National price ranges in USD, not adjusted for Potomac Mills. 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 Virginia, Virginia Board for Contractors (DPOR) licenses Contractor license with an HVAC specialty; HVAC technicians hold tradesman licenses.
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 775 Potomac Mills 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 23, 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 Potomac Mills 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 |