645 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Sanford: American Air, Plumbing, and Electrical, CR Score 96/100; 4.9★ from 8,447 Google reviews; open 24/7.
Best for emergencies (open 24/7): Facemyer Air Conditioning and Heating, posts 24/7 hours; ranked #2 of 645.
Most-reviewed: Frank Gay Residential Services, 8,222 Google reviews at 4.6★, the most of 645 ranked after American Air, Plumbing, and Electrical; ranked #27.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
645 Sanford HVAC contractors are ranked here by CR Score, from 8 published factors. 250 are open 24/7, 500 open Saturdays and 378 open Sundays, based on posted hours. The median Google rating is 4.9★ across 645 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | American Air, Plumbing, and Electrical | 96 | 4.9★ (8,447) | Sanford | 24/7 | Overall |
| 2 | Facemyer Air Conditioning and Heating | 93 | 4.9★ (865) | Sanford | 24/7 | Emergencies |
| 3 | Mechanical One | 92 | 5.0★ (2,454) | Altamonte Springs, 12 mi away | 24/7 | — |
| 4 | Pro-Tech Air Conditioning & Plumbing Service | 92 | 4.9★ (1,184) | Lake Mary, 5 mi away | 24/7 | — |
| 5 | Del-Air Heating, Air Conditioning, Plumbing and Electrical | 92 | 4.5★ (5,225) | Sanford | 24/7 | — |
| 6 | Autumn Air Conditioning and Heating LLC | 92 | 5.0★ (756) | Deltona, 7 mi away | 24/7 | — |
| 7 | Cool Today - Cooling, Plumbing, Electrical | 92 | 4.8★ (4,827) | Altamonte Springs, 11 mi away | 24/7 | — |
| 8 | Clear Comfort | 91 | 5.0★ (1,046) | Horizon West, 13 mi away | 24/7 | — |
| 9 | Rainaldi Home Services | 90 | 4.8★ (5,502) | Orlando, 17 mi away | 24/7 | — |
| 10 | Infinite Air HVAC & AC Repair Lake Mary | 90 | 5.0★ (266) | Lake Mary, 7 mi away | 24/7 | — |
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.
Ranked #1 because of its Google rating and review volume: 4.9★ from 8,447 Google reviews, the most Google reviews on this list (8,447).
Based in Sanford
Ranked #2 because of its Google rating and availability: 4.9★ from 865 Google reviews, open 24/7.
Based in Altamonte Springs, 12 mi away
Ranked #3 because of its Google rating and availability: 5.0★ from 2,454 Google reviews, open 24/7.
Based in Lake Mary, 5 mi away
Ranked #4 because of its Google rating and availability: 4.9★ from 1,184 Google reviews, open 24/7.
Based in Sanford
Ranked #5 because of its Google rating and availability: 4.5★ from 5,225 Google reviews, open 24/7.
Based in Deltona, 7 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 756 Google reviews, open 24/7.
Based in Altamonte Springs, 11 mi away
Ranked #7 because of its Google rating and availability: 4.8★ from 4,827 Google reviews, open 24/7.
Based in Horizon West, 13 mi away
Ranked #8 because of its Google rating and availability: 5.0★ from 1,046 Google reviews, open 24/7.
Based in Orlando, 17 mi away
Ranked #9 because of its Google rating and availability: 4.8★ from 5,502 Google reviews, open 24/7.
Based in Lake Mary, 7 mi away
Ranked #10 because of its Google rating and availability: 5.0★ from 266 Google reviews, open 24/7.
Based in Winter Park, 15 mi away
Ranked #11 because of its Google rating and availability: 4.8★ from 2,898 Google reviews, open 24/7.
Based in Orange City, 9 mi away
Ranked #12 because of its Google rating and availability: 4.8★ from 970 Google reviews, open 24/7.
Based in Oviedo, 10 mi away
Ranked #13 because of its Google rating and availability: 4.9★ from 603 Google reviews, open 24/7.
Based in Sanford
Ranked #14 because of its Google rating and availability: 4.9★ from 113 Google reviews, open 24/7.
Based in Sanford
Ranked #15 because of its Google rating and availability: 4.3★ from 3,758 Google reviews, open 24/7.
Based in Sanford
Ranked #16 because of its Google rating and availability: 4.9★ from 104 Google reviews, open 24/7.
Based in Winter Springs, 7 mi away
Ranked #17 because of its Google rating and availability: 4.8★ from 532 Google reviews, open 24/7.
Based in Oviedo, 10 mi away
Ranked #18 because of its Google rating and availability: 4.9★ from 478 Google reviews, open 24/7.
Based in Azalea Park, 13 mi away
Ranked #19 because of its Google rating and availability: 5.0★ from 435 Google reviews, open 24/7.
Based in Sanford
Ranked #20 because of its Google rating and availability: 5.0★ from 65 Google reviews, open 24/7.
Based in Casselberry, 9 mi away
Ranked #21 because of its Google rating and availability: 4.9★ from 345 Google reviews, open 24/7.
Based in DeBary, 13 mi away
Ranked #22 because of its Google rating and availability: 4.9★ from 711 Google reviews, open 24/7.
Based in Altamonte Springs, 11 mi away
Ranked #23 because of its Google rating and availability: 5.0★ from 293 Google reviews, open 24/7.
Based in Sanford
Ranked #24 because of its Google rating and availability: 5.0★ from 60 Google reviews, open 24/7.
Based in Deltona, 7 mi away
Ranked #25 because of its Google rating and availability: 4.9★ from 210 Google reviews, open 24/7.
#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 645 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 |
|---|---|---|
| 4 Seasons Air Conditioning and Heating | 4.7★ (576) | 16 mi |
| Carzoair Inc. Casselberry Fl | 3.0★ (2) | 13 mi |
| Central Air Service LLC | 3.0★ (2) | 14 mi |
| Central Florida Store Services | 1.0★ (1) | In Sanford |
| Clayton Mechanical | 5.0★ (2) | 14 mi |
| Climate Change Air | 5.0★ (22) | In Sanford |
| Conditioned Air Systems of Florida | In Sanford | |
| CoolTropic AC Repairs | 5.0★ (2) | 14 mi |
| High Velocity Heating & Air Conditioning | 3.0★ (2) | 8 mi |
| NRG Power Solutions | 4.5★ (2) | 8 mi |
| Orlando HVAC Service | 5.0★ (2) | 10 mi |
| PrimeAir HVAC Services | In Sanford | |
| ProMag Energy Group A/C & Heating, Inc. | 4.7★ (1,341) | 19 mi |
| Pure AC Air Conditioning Services | 5.0★ (2) | 10 mi |
| Quick Response Heating & AC | 5.0★ (2) | In Sanford |
| Rinaldi's Energy Solutions | 4.7★ (1,030) | 18 mi |
| Roberson's Mechanical Services | 5.0★ (2) | 9 mi |
| Service Plus AC & Heating | 4.9★ (729) | 11 mi |
| Steve Richards Air Condition & Heating Inc | 5.0★ (2) | In Sanford |
| XRO maintenance service | 5.0★ (2) | 10 mi |
National price ranges in USD, not adjusted for Sanford. 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 Florida, Florida Construction Industry Licensing Board (DBPR) licenses Certified or registered air conditioning (CAC, RA) and mechanical (CMC, RM) contractors.
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
In Florida, air conditioning calls peak in the hottest summer months. Spring is the easiest time to book a tune-up or replacement, before the first heat wave.
We scored 645 Sanford 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 Sanford 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 |