Providing the Best Air Conditioning Services in Jacksonville, Florida
Comfort Zone of north Florida is a locally owned Heating & Air Conditioning company that has proudly served the Jacksonville area for nearly 20 years. Located at 14476 Duval Pl W #801, our team provides 24/7 answering assistance for air conditioning repair, AC installation, and HVAC maintenance for all makes and models, including central air conditioners, heat pumps, and ductless mini splits.
As a Carrier Factory Authorized Dealer, we are committed to providing dependable service and honest recommendations. Our EPA certified technicians are paid hourly with no sales quotas, so you can trust and feel confident that our recommendations are based on your systems needs. We are available 24 hours a day 7 days a week for online booking and scheduling services.
Here at Comfort Zone of North Florida Inc., we believe that everyone should feel comfortable in their own home. Backed by our expertise and years in the business, we provide thorough and comprehensive HVAC services for residential customers as well as commercial clients in Jacksonville, FL. Your neighbors know they can trust our team to offer honest recommendations and top-notch workmanship to boost home comfort levels.


The Importance of Heating & Cooling Maintenance
Your HVAC system does more than just keep your interior at a comfortable temperature. Your heating and cooling system, when operating at peak performance, will keep your utility costs down as well. Preventive maintenance is the key to preventing costly repairs and ensuring your HVAC unit operates efficiently. Trust Comfort Zone of North Florida for expert HVAC repair and maintenance services.
AC Repair in Jacksonville, FL
From the Northside to Mandarin, the repair calls are the same every summer: air conditioners blowing warm air, systems turning on and off too often, drain lines clogged by Florida humidity, and capacitors and fan motors killed by heat and afternoon storms. We diagnose first and give you upfront pricing before any work starts. Because our shop is here in Jacksonville, you get a local technician, not a call centre. Emergency service runs 24 hours a day, 7 days a week. Call (904) 406-0070 for AC repair in Jacksonville.
Signs You Need AC Repair in Jacksonville, FL
Call us if you notice any of these. In Jacksonville they tend to show up right after a storm, or in the first hot week of the year.
- The AC stopped working after a thunderstorm or a power flicker
- Upstairs rooms stay hot while downstairs is cold
- The system turns on and off every few minutes (short cycling)
- Warm air, weak airflow, or one room that never cools
- A musty smell when the system starts, or water near the indoor unit
- Power bills climbing while comfort stays the same
When it cannot wait: No cooling during a heat wave, a burning or electrical smell, water leaking into ceilings or walls, or a system that will not restart: call (904) 406-0070 right away. We answer 24 hours a day, 7 days a week, and our shop is here in Jacksonville.
AC Installation and Replacement in Jacksonville, FL
Jacksonville homes range from historic houses in Springfield and Riverside with older ductwork to newer builds in Bartram Park and Nocatee, and the right system is different for each. We check sizing, ductwork, and humidity control before we recommend anything, and we install Carrier systems as one of the top 10 Carrier dealers in Florida. If another company has quoted you a replacement, we give free second opinions. We will tell you straight whether your system needs replacing or just repairing. Financing is available, and the full cost is agreed before work starts.
HVAC Maintenance and Tune-Ups in Jacksonville, FL
Preventive maintenance is the cheapest way to avoid a July breakdown. A tune-up covers refrigerant, electrical connections, coils, drain lines, and airflow, and flags worn parts while they are still cheap to replace. New customers can book our $79 Fall Tune-Up Special (reg. $120) through November 15, 2026. Please note: a tune-up is a check and cleaning service, and it does not itself repair your system. Anything your system needs beyond the tune-up is priced separately, with your approval first.
Heating and Heat Pump Service in Jacksonville, FL
Jacksonville winters are mild, but they are not warm, and most homes here rely on a heat pump or electric heat that sits idle for eight months and then has to work on the coldest night of the year. We service heat pumps, furnaces, and electric air handlers of every make and model. Common winter calls are a system blowing cool air instead of warm, auxiliary heat running non-stop, and units that short cycle on cold mornings. Because the same system cools your home all summer, a heating problem we catch in January is often the early warning of a cooling failure in July. We will tell you what we find and what it means for summer, in plain terms, before you spend anything.
Ductwork and Indoor Air Quality in Jacksonville, FL
A lot of Jacksonville housing was built before modern duct standards, and it shows: rooms that never reach the set temperature, dust that returns a day after cleaning, and systems that run longer than they should because cooled air leaks into the attic. We check ductwork as part of a normal service call in older homes, especially in Springfield, Riverside, Avondale, and Arlington, and we look at filtration and humidity control at the same visit. If the ducts are the problem, we show you what we found and price the repair separately. If they are fine, that is the answer you get.
As for our services, our team specializes in the installation, repair, and maintenance of heating and cooling equipment in homes across the Jacksonville, FL, area. Keeping your heating and cooling units in optimal condition is crucial for good indoor air quality. We are committed to helping you breathe cleaner and safer indoor air.

Guide to Our Store
Jacksonville HVAC FAQs
How much does AC repair cost in Jacksonville, FL?
Minor repairs typically run $150 to $400 depending on the part and labor. We diagnose first and give you upfront pricing before any work starts.
Do you offer 24-hour emergency AC repair in Jacksonville?
Yes. We are open 24 hours a day, 7 days a week, and our Jacksonville shop is local, so emergency calls go to our own team.
How long does an air conditioner last in Jacksonville, FL?
Most systems last 12 to 15 years in Florida conditions. Heat, humidity, and storm exposure shorten that if the system is not maintained. Twice a year maintenance is the best way to get the full life out of a unit.
Do you work on older Jacksonville homes?
Yes. We regularly work in older homes in areas like Springfield and Riverside, including checking ductwork and airflow problems that are common in houses of that age.
What brands do you service in Jacksonville?
All of them. Central air conditioners, heat pumps, and ductless mini-splits, any make or model. We are a Carrier Factory Authorized Dealer for new installations.
Comfort Zone of North Florida — Jacksonville
14476 Duval Pl W #801, Jacksonville, FL 32218
Phone: (904) 406-0070
Hours: Open 24 Hours
After-hours AC emergency? Our AI booking assistant schedules Jacksonville AC repair 24/7 — book online anytime.