10 Best 24-Hour in
Tap a yellow word to change it. Tap Call to talk to a pro.
Quick answer #1 is All City Heat and Air (5.0★, 492 reviews)
The best-rated 24-hour HVAC contractors in Charlotte, NC are All City Heat and Air (5.0★, 492 reviews), Horne Heating and Air Conditioning (4.9★, 3,433 reviews) and Bradham Brothers (4.9★, 3,171 reviews).
- 4.9★average rating
- 61,371Google reviews
- 10open 24/7
- 6hvac specialists
Checked · How we rank
You can still call and leave a message.
About this list
These are the 10 highest-rated HVAC contractors in Charlotte that are open 24 hours a day, 7 days a week. Out of 40 HVAC contractors in Charlotte with round-the-clock hours, these average 4.9 stars across 61,371 Google reviews. All City Heat and Air ranks first with 5.0 stars from 492 reviews.
Compare all 10 side by side
| # | Business | Rating | Reviews | 24/7 |
|---|---|---|---|---|
| 1 | All City Heat and Air | 5.0 | 492 | Yes |
| 2 | Horne Heating and Air Conditioning | 4.9 | 3,433 | Yes |
| 3 | Bradham Brothers | 4.9 | 3,171 | Yes |
| 4 | Morris-Jenkins | 4.9 | 36,895 | Yes |
| 5 | Dilling Heating, Cooling, Plumbing & Electrical | 4.9 | 6,746 | Yes |
| 6 | Ross & Witmer Heating & Air Conditioning | 4.9 | 435 | Yes |
| 7 | Exact Temp Heating & Cooling, Inc | 4.9 | 368 | Yes |
| 8 | Charlotte Mechanical | 4.9 | 577 | Yes |
| 9 | One Hour Heating & Air Conditioning of Charlotte | 4.8 | 6,197 | Yes |
| 10 | Airtron Heating & Air Conditioning | 4.8 | 3,057 | Yes |
Before you hire an HVAC contractor
5 quick checks before you call.
- Check the license.
In North Carolina, look them up with the NC State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors.
- 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 Charlotte?
All City Heat and Air ranks #1 with 5.0 stars from 492 reviews.
How many HVAC contractors in Charlotte are open 24 hours?
We found 40 HVAC contractors in Charlotte open 24 hours, 7 days a week. These are the 10 with the best ratings.
Which HVAC contractor in Charlotte has the most reviews?
Morris-Jenkins has the most, with 36,895 Google reviews and a 4.9 rating.
How do I check if an HVAC contractor in Charlotte is licensed?
Look them up with the NC State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors at https://www.nclicensing.org/. 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.