1,044 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Alexandria: Michael & Son Services, CR Score 67/100; 4.7★ from 15,537 Google reviews; open 24/7.
Best for emergencies (open 24/7): John C. Flood, posts 24/7 hours; ranked #2 of 1,044.
Most-reviewed: Michael & Son Services, 8,326 Google reviews at 4.8★, the most of 1,044 ranked after Michael & Son Services; ranked #18.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
1,044 Alexandria HVAC contractors are ranked here by CR Score, from ten published factors. 333 are open 24/7, 707 open Saturdays and 482 open Sundays, based on posted hours. The median Google rating is 4.9★ across 1,044 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Michael & Son Services | 67 | 4.7★ (15,537) | Alexandria | 24/7 | Overall |
| 2 | John C. Flood | 66 | 4.8★ (4,976) | Alexandria | 24/7 | Emergencies |
| 3 | Krafft Service Corporation | 65 | 4.9★ (1,631) | Alexandria | 24/7 | — |
| 4 | AZA heating, cooling, plumbing & construction | 65 | 5.0★ (959) | Alexandria | 24/7 | — |
| 5 | United Air Temp | 64 | 4.8★ (1,318) | Alexandria | 24/7 | — |
| 6 | CroppMetcalfe | 64 | 4.8★ (7,638) | Fairfax, 11 mi away | 24/7 | — |
| 7 | Caffi Services | 64 | 4.9★ (508) | Alexandria | 24/7 | — |
| 8 | United Air Temp | 64 | 4.8★ (1,775) | Fort Washington, 4 mi away | 24/7 | — |
| 9 | AG Services – Electrical, Air Conditioning, Heating & Plumbing | 63 | 4.9★ (440) | Alexandria | 24/7 | — |
| 10 | A Action Home Services | 63 | 4.9★ (326) | Alexandria | 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 because of its Google rating and review volume: 4.7★ from 15,537 Google reviews, the most in Alexandria.
Based in Alexandria
Ranked #2 because of its Google rating and trade focus: 4.8★ from 4,976 Google reviews, listed on Google as “HVAC contractor”.
Based in Alexandria
Ranked #3 because of its Google rating and trade focus: 4.9★ from 1,631 Google reviews, listed on Google as “HVAC contractor”.
Based in Alexandria
Ranked #4 because of its Google rating and trade focus: 5.0★ from 959 Google reviews, listed on Google as “HVAC contractor”.
Based in Alexandria
Ranked #5 because of its Google rating and trade focus: 4.8★ from 1,318 Google reviews, listed on Google as “HVAC contractor”.
Based in Fairfax, 11 mi away
Ranked #6 because of its Google rating and trade focus: 4.8★ from 7,638 Google reviews, listed on Google as “HVAC contractor”.
Based in Alexandria
Ranked #7 because of its Google rating and trade focus: 4.9★ from 508 Google reviews, listed on Google as “HVAC contractor”.
Based in Fort Washington, 4 mi away
Ranked #8 because of its Google rating and trade focus: 4.8★ from 1,775 Google reviews, listed on Google as “HVAC contractor”.
Based in Alexandria
Ranked #9 because of its Google rating and trade focus: 4.9★ from 440 Google reviews, listed on Google as “HVAC contractor”.
Based in Alexandria
Ranked #10 because of its Google rating and trade focus: 4.9★ from 326 Google reviews, listed on Google as “HVAC contractor”.
Based in Lorton, 10 mi away
Ranked #11 because of its Google rating and trade focus: 4.7★ from 4,469 Google reviews, listed on Google as “HVAC contractor”.
Based in Fairfax, 11 mi away
Ranked #12 because of its Google rating and trade focus: 4.9★ from 1,794 Google reviews, listed on Google as “HVAC contractor”.
Based in Springfield, 9 mi away
Ranked #13 because of its Google rating and trade focus: 4.9★ from 966 Google reviews, listed on Google as “HVAC contractor”.
Based in Alexandria
Ranked #14 because of its Google rating and review volume: 4.7★ from 6,899 Google reviews.
Based in Alexandria
Ranked #15 because of its Google rating and trade focus: 4.3★ from 2,189 Google reviews, listed on Google as “HVAC contractor”.
Based in Silver Spring, 15 mi away
Ranked #16 because of its Google rating and trade focus: 4.6★ from 8,136 Google reviews, listed on Google as “HVAC contractor”.
Based in Lorton, 10 mi away
Ranked #17 because of its Google rating and trade focus: 4.9★ from 770 Google reviews, listed on Google as “HVAC contractor”.
Based in Hyattsville, 14 mi away
Ranked #18 because of its Google rating and trade focus: 4.8★ from 8,326 Google reviews, listed on Google as “HVAC contractor”.
Based in Alexandria
Ranked #19 because of its Google rating and review volume: 4.9★ from 1,720 Google reviews.
Based in Lorton, 10 mi away
Ranked #20 because of its Google rating and trade focus: 4.8★ from 866 Google reviews, listed on Google as “HVAC contractor”.
Based in Lorton, 8 mi away
Ranked #21 because of its Google rating and trade focus: 4.4★ from 4,301 Google reviews, listed on Google as “HVAC contractor”.
Based in Lorton, 10 mi away
Ranked #22 because of its Google rating and trade focus: 4.8★ from 908 Google reviews, listed on Google as “HVAC contractor”.
Based in Falls Church, 5 mi away
Ranked #23 because of its Google rating and trade focus: 4.9★ from 208 Google reviews, listed on Google as “Air conditioning contractor”.
Based in Lorton, 10 mi away
Ranked #24 because of its Google rating and trade focus: 4.9★ from 507 Google reviews, listed on Google as “HVAC contractor”.
Based in Lorton, 10 mi away
Ranked #25 because of its Google rating and trade focus: 4.7★ from 1,169 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 1,044 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 |
|---|---|---|
| AA REPAIRS | In Alexandria | |
| AC Filters Today | In Alexandria | |
| AES Electrical Contractor | 4.9★ (28) | In Alexandria |
| Alexandria Plumbers & Drain Cleaning Co. | 5.0★ (21) | In Alexandria |
| Alltecs, LLC | 5.0★ (2) | In Alexandria |
| Argent Heating Cooling and Plumbing | 4.7★ (392) | 11 mi |
| ARS / Rescue Rooter | 4.5★ (5,934) | 22 mi |
| AVS Heating and Air Conditioning Falls Church ( AC, Furnace and Appliance Repair) | 4.8★ (88) | 5 mi |
| Balteza Property Services LLC | 5.0★ (63) | In Alexandria |
| Cleat Design + Build | 5.0★ (1) | In Alexandria |
| Emerald Plumbing Co. | 4.7★ (159) | In Alexandria |
| GPF HVAC | In Alexandria | |
| Kramer & Sons Plumbing Services, Inc | 4.8★ (243) | In Alexandria |
| Moore Construction Group LLC | 4.7★ (26) | In Alexandria |
| Partnership for Air-Conditioning, Heating, Refrigeration Accreditation | In Alexandria | |
| SageWater | 3.4★ (43) | In Alexandria |
| T K Services Inc | 1.0★ (2) | In Alexandria |
| TRINITY PRO SERVICES | 4.7★ (257) | 7 mi |
| Ultra Painting HVAC Pros | 5.0★ (2) | In Alexandria |
| United Air Temp | 4.7★ (855) | 16 mi |
National price ranges in USD, not adjusted for Alexandria. 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 1,044 Alexandria 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 Alexandria 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 |