Ranked #1 because of its Google rating and availability: 4.9★ from 173 Google reviews, open 24/7.
- 4.9★ from 173 Google reviews
- Open 24/7
- Hours
- Open 24 hours, 7 days
- Address
- 10692 Overseas Hwy, Marathon, FL 33050
5 HVAC contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Marathon: Rocket Cooling, CR Score 94/100; 4.9★ from 173 Google reviews; open 24/7.
Best for emergencies (open 24/7): Patti The Plumber, posts 24/7 hours; ranked #2 of 5.
Most-reviewed: Patti The Plumber, 641 Google reviews at 5.0★, the most of 5 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
5 Marathon HVAC contractors are ranked here by CR Score, from 8 published factors. 3 are open 24/7, 4 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.9★ across 5 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Rocket Cooling | 94 | 4.9★ (173) | Marathon | 24/7 | Overall |
| 2 | Patti The Plumber | 89 | 5.0★ (641) | Key West, 7 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Superior Marathon HVAC Experts | 85 | 5.0★ (4) | Marathon | 24/7 | — |
| 4 | Artic Temp of the Florida Keys | 80 | 4.6★ (101) | Marathon | — | — |
| 5 | Marathon Air Conditioning | 77 | 3.7★ (15) | Marathon | Sat | — |
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 availability: 4.9★ from 173 Google reviews, open 24/7.
Based in Key West, 7 mi away
Ranked #2 because of its Google rating and review volume: 5.0★ from 641 Google reviews, the most Google reviews on this list (641).
Based in Marathon
Ranked #3 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
Based in Marathon
Ranked #4 because of its Google rating and trade focus: 4.6★ from 101 Google reviews, listed on Google as “HVAC contractor”.
Based in Marathon
Ranked #5 because of its Google rating and trade focus: 3.7★ from 15 Google reviews, listed on Google as “Air conditioning contractor”.
National price ranges in USD, not adjusted for Marathon. 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 5 Marathon 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 Marathon 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 |