Top 10 24 Hour HVAC in Knoxville, TN
Quick Answer
Top: Pioneer Heating, Cooling, Plumbing and Electrical (4.8), Rocky Top HVAC, LLC (4.8), Chancey & Reynolds, Inc. | AC Repair (4.9)
Why 24-Hour Hvac Service Matters in Knoxville, TN
Emergencies don't follow business hours. Whether it's a burst pipe at midnight or a furnace failure during a cold snap, having access to a reliable 24-hour hvac in Knoxville, TN can prevent thousands of dollars in damage and keep your family safe.
💡 Quick Tips:
- Ask about after-hours surcharges upfront — some Knoxville, TN companies charge flat rates even at night
- Save your top pick's number in your phone before an emergency happens
- Check if the company dispatches their own technicians or uses a call center
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Pioneer Heating, Cooling, Plumbing and Electrical
4604 Mill Branch Ln, Knoxville, TN 37938, USA
Licensed & InsuredTop Rated
Services: 24 Hour Hvac
2
Aire Serv of Knoxville
1108 Dutch Valley Dr, Knoxville, TN 37918, USA
Licensed & InsuredTop Rated
Services: 24 Hour Hvac
3
Rocky Top HVAC, LLC
7327 Oak Ridge Hwy, Knoxville, TN 37931, USA
Licensed & InsuredTop Rated
Services: 24 Hour Hvac
Sponsored
4
Pol's Heating and Cooling
10313 Cogdill Rd #7, Knoxville, TN 37932, USA
Licensed & Insured
Services: 24 Hour Hvac
5
Service Experts Knoxville
627 American Glass Way Suite AB, Knoxville, TN 37932, USA
Licensed & Insured
Services: 24 Hour Hvac
6
All-Star Heating and Air Conditioning
3541 Neal Dr, Knoxville, TN 37918, USA
Services: 24 Hour Hvac
7
Hiller Plumbing, Heating, Cooling & Electrical
5507 Ball Camp Pike, Knoxville, TN 37921, USA
Services: 24 Hour Hvac
Sponsored
8
Smith Heating and Air
3416 Zion Ln, Knoxville, TN 37931, USA
Services: 24 Hour Hvac
9
AA-Air Company dba Central City Heating & Air Conditioning
1001 Katherine Ave, Knoxville, TN 37921, USA
Services: 24 Hour Hvac
10
Cantrell's Heat & Air
5715 Old Tazewell Pike, Knoxville, TN 37918, USA
Services: 24 Hour Hvac
How We Ranked These Knoxville Pros
Our rankings are based on a weighted evaluation of five key factors:
- Licensing & Insurance — All listed businesses hold active state licenses verified through official databases.
- Customer Reviews — We aggregate ratings from Google, Yelp, and the BBB, weighting recency and review volume.
- Response Time — Companies offering same-day or 24/7 emergency service score higher.
- Pricing Transparency — Businesses who offer flat-rate pricing or free estimates rank above those with opaque billing.
- Experience & Longevity — Years serving the Knoxville market and breadth of services factor into overall reliability.
Rankings are reviewed quarterly. Have a correction? Contact us.
Frequently Asked Questions
Best 24 hour hvac in Knoxville?
Top: Pioneer Heating, Cooling, Plumbing and Electrical (4.8), Rocky Top HVAC, LLC (4.8), Chancey & Reynolds, Inc. | AC Repair (4.9).