10 Best 24-Hour in
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Quick answer #1 is TemPros Air Conditioning & Heating, Inc. (5.0★, 568 reviews)
The best-rated 24-hour HVAC contractors in Miami, FL are TemPros Air Conditioning & Heating, Inc. (5.0★, 568 reviews), Doctor Air Hvac Corp (5.0★, 230 reviews) and Pollux Air Conditioning (4.9★, 642 reviews).
- 4.9★average rating
- 8,175Google reviews
- 10open 24/7
- 7hvac specialists
Checked · How we rank
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About this list
These are the 10 highest-rated HVAC contractors in Miami that are open 24 hours a day, 7 days a week. Out of 73 HVAC contractors in Miami with round-the-clock hours, these average 4.9 stars across 8,175 Google reviews. TemPros Air Conditioning & Heating, Inc. ranks first with 5.0 stars from 568 reviews.
Compare all 10 side by side
| # | Business | Rating | Reviews | 24/7 |
|---|---|---|---|---|
| 1 | TemPros Air Conditioning & Heating, Inc. | 5.0 | 568 | Yes |
| 2 | Doctor Air Hvac Corp | 5.0 | 230 | Yes |
| 3 | Pollux Air Conditioning | 4.9 | 642 | Yes |
| 4 | RCI Air Conditioning Company | 4.9 | 615 | Yes |
| 5 | National Service Pros | 4.9 | 786 | Yes |
| 6 | AC Repair 24 Seven by Cooling Masters | 5.0 | 130 | Yes |
| 7 | One Hour Air Conditioning & Heating | 4.8 | 1,059 | Yes |
| 8 | Miami Air Conditioning & Duct cleaning inc | 5.0 | 121 | Yes |
| 9 | Direct Air Conditioning | 4.8 | 2,757 | Yes |
| 10 | Emergency AC Corp | 4.8 | 1,267 | Yes |
Before you hire an HVAC contractor
5 quick checks before you call.
- Check the license.
In Florida, look them up with the Florida Department of Business and Professional Regulation (DBPR).
- Ask for proof of insurance.
Liability insurance covers damage to your home if something goes wrong.
- Get 2 or 3 written quotes.
Compare what each one includes, not just the price.
- Don't pay everything upfront.
A deposit is normal. Pay the rest when the work is done.
- Read the newest reviews.
Recent reviews say more about the business today than old ones.
Questions people ask
Who is the best-rated 24-hour HVAC contractor in Miami?
TemPros Air Conditioning & Heating, Inc. ranks #1 with 5.0 stars from 568 reviews.
How many HVAC contractors in Miami are open 24 hours?
We found 73 HVAC contractors in Miami open 24 hours, 7 days a week. These are the 10 with the best ratings.
Which HVAC contractor in Miami has the most reviews?
Direct Air Conditioning has the most, with 2,757 Google reviews and a 4.8 rating.
How do I check if an HVAC contractor in Miami is licensed?
Look them up with the Florida Department of Business and Professional Regulation (DBPR) at https://www.myfloridalicense.com/wl11.asp. Also ask for proof of insurance before work starts.
How is this list ranked?
We rank by Google star rating weighted by review count, so a 4.9 with 400 reviews beats a 5.0 with 8. HVAC specialists get a small edge over companies that also list other trades. Details were last checked Nov 2, 2026.
Other services in Miami
- Plumbers
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- Painters
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