Your Comfort, Our Commitment
Reliable HVAC Solutions in Jacksonville, FL
We specialize in dependable heating, ventilation, and air conditioning services—available around the clock. Your comfort is our priority.
Comprehensive Diagnostic & Repair Services
From system diagnostics to precision repair, our highly trained team ensures your HVAC functions flawlessly year-round.
24/7 Emergency
Support
Sudden breakdowns don’t wait—and neither do we. Below Zero Jax is here, any time, any day to get your comfort back fast.


About Us
Expert Repairs to Keep You Comfortable Year‑Round
Since 2017, Below Zero Jax has provided trusted HVAC solutions across Jacksonville. As a family-owned business, we treat every home we enter with respect, honesty, and care. Our skilled technicians combine local expertise with cutting-edge solutions—because your comfort deserves nothing less.
we have more then 10+ years of experience
(904) 554 - 4205
(904) 554 - 4637
Why Choose Below Zero Jax?
Where Reliability Meets Comfort
With 2000+ satisfied customers and growing, we back our work with a 4.5★ trust rating. Here’s why people keep choosing us:
Affordable Pricing
Honest estimates and no hidden fees.
Rapid Emergency Response
Always there when you need us—day or night.
Community-Focused Expertise
Local knowledge, family values, and professional execution.
how it works
Cooling Homes & Warming Hearts
1
get consultation
We assess your needs and outline your options.
2
Select a Service Plan
Choose from repair, maintenance, or installation.
3
Receive Quality Service
Reliable technicians get the job done right.
4
Review the Report
We follow up with a clean, clear summary for ongoing care.
Ready to Schedule Your HVAC Service?
Comfort is Just a Click Away!
It’s easy: click below, request a quote, or give us a call anytime.
testimonials
What Our Customers Are Saying
EXCELLENT Based on 176 reviews Kayla Bagwell2025-07-29Trustindex verifies that the original source of the review is Google. Ariel and his team at Below Zero were wonderful to work with. He helped us quickly replace our HVAC at a fair price. He communicated well and the team did a great job with installation. I highly recommend Below Zero Heating & Air! Clayton2025-07-27Trustindex verifies that the original source of the review is Google. I will be using Below Zero for any and all of my future heating/air needs. I had one of the HVAC sales companies, that pose as HVAC repair, pressuring me very hard to buy an entire new unit and replace all of my exterior duct work. They lied and said that one of my fan motors was blown, and that it would be more expensive than it was worth to repair due to the fan needing to be ordered and programmed directly by the OEM. My unit is close to 20 years old, so it seemed somewhat reasonable that it was its time to go. I had also spent the day in a near-90 degree house with my pets, so I was a bit desperate to get my AC back. Below Zero came out *lickety split* (same day) and told me that my fan motor was fine and that I only needed my capacitor replaced, saving me thousands on buying a new unit. They showed me that even if I did want my fan replaced, it would’ve been a fraction of the cost from what the other company quoted. If one of the big companies is pressuring you to buy new equipment, do yourself a favor and call Below Zero for a 2nd opinion. Even if it is determined that you need new equipment, I would recommend that you have Below Zero do the work for their honesty, if nothing else. It becomes harder and harder to find trustworthy work these days and Below Zero is just that. They had my AC blowing cold air within 30 minutes of being there and it’s still running like a champ now while writing this review. Thanks for the honesty and the good work! Joe C2025-06-24Trustindex verifies that the original source of the review is Google. Adonys came and knew the issue right away. He had the part in his try and fixed it the same day. It was at a great price too! He is very friendly and affordable! Raheem Cannon2025-04-07Trustindex verifies that the original source of the review is Google. Extremely great service Ariel was quick professional and got everything taken care of for me. I’m impressed with how well he diagnosed it and the great price he gave for his work. I’d recommend him to anyone! Rosemary Bello2025-03-12Trustindex verifies that the original source of the review is Google. If you are looking for professionals Below Zero Corp will be the company you need. They answer calls after hours, set a last minute appointment, replace an entire unit in few hours and the crew was kind, clean and to be honest I didn't even feel like they were here. They have the best prices and the best service. Thank you so much Ariel! Dari Kimball2025-01-17Trustindex verifies that the original source of the review is Google. Without a doubt, I would recommend Below Zero Heating and Air for any of your HVAC needs. The whole system in my home stopped working. Ariel did a HVAC job for me years ago, so I looked him up, gave him a call late in the afternoon. He gave me a great price over the phone and said they could be out the next morning to install a whole new system. Sold! Christian and Haniel were here promptly at 9:30am, got right to work and had me up and running by mid-afternoon. The men were very courteous, professional and patient with me when I had a question. They cleaned everything up, no screws, wire, wrapping, nothing was left behind. I couldn’t have asked for a smoother experience. Thank You Ariel for treating me like a VIP and saving me from cold winter nights with no heat. You are my hero! Patrick Hinebaugh2025-01-08Trustindex verifies that the original source of the review is Google. Amazing, courteous, and honest! Called to request a quote for an Evaporator Coil Replacement. Previously diagnosed by three other companies, but the repair estimates were outrageous. Their quote beat the brakes off the other companies. None of the "Well, we need to diagnose it. $99 for the diagnosis." They said "Part on hand, price out the door, we can do it tomorrow" Done. Repair took a little more than an hour. If you need work done on your AC, they're the guys to call. I know I will be. Updated! Called them again for my heat going out on me. Again, amazing service. I wish I could give them another 5-star. Kevin Patrick2024-09-28Trustindex verifies that the original source of the review is Google. I Called below zero heating and air about my a/c problems. Same day they already scheduled and check my ac unit. Got it fix in less than an hour. I would recommend it to each and everyone. Techs are knowledgeable about it. Thank you so much! Hector2024-09-20Trustindex verifies that the original source of the review is Google. Quede insatisfecho completamente con el servicio de esta compañía,para nada profesionales Tareq Arsalla2024-08-24Trustindex verifies that the original source of the review is Google. My preferred AC company and very reliable!Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
have anything to ask ?
ask us anything or read our most question
How often should I service my air conditioner or HVAC system?
It’s recommended to service your air conditioner and HVAC system at least once a year. For cooling systems, schedule maintenance before the summer season, and for heating systems, have them checked before winter. Regular maintenance helps ensure optimal performance and extends the lifespan of your system.
What are the signs that my HVAC system needs repair?
Common signs include:
- Unusual noises like banging, clicking, or hissing.
- Weak airflow or uneven cooling/heating.
- Higher-than-usual energy bills.
- Strange odors coming from the vents.
- The system is constantly running but not maintaining the desired temperature.
If you notice any of these, contact a professional technician promptly.
How long does an HVAC repair typically take?
The duration of the repair depends on the issue. Minor repairs can take a few hours, while more complex problems, such as compressor replacement, may take longer. Our technicians strive to resolve issues as quickly as possible without compromising quality.
Is it better to repair or replace my HVAC system?
It depends on the age and condition of your system. If your HVAC unit is over 10–15 years old and requires frequent repairs, replacement might be more cost-effective in the long run. A new system can also offer improved energy efficiency and performance. Our technicians can assess your system and recommend the best option for you.