Skip to main content
Proudly keeping you comfortable since 1980
Areas We Serve /
AC Installation

For immediate service or repairs, call 386-222-1342.

Schedule Service

Upgrade Your Home’s Cooling With a New AC Installation in Keystone Heights, FL

Request Service

If you live in Keystone Heights, Florida, you understand that the temperatures can reach incredible numbers. When the heat breaches 90 degrees Fahrenheit, plus humidity, you rely on your air conditioner to keep you cool. However, when repairs pile up, it quickly becomes apparent that you need a whole new system to keep your house comfortable. 

If you need an AC installation in Keystone Heights, FL, allow Southern Air Heating & Cooling to explain everything about our services and how you can benefit from a new air conditioner. While there are plenty of signs you can reason out on your own, there are other more subtle things you can learn about in this article. If you need assistance with your air conditioner quickly, give our team a call! 

Reliable AC Installation in Keystone Heights, FL

When you need a new system, you should rely on professionals to get the installation done quickly. With Southern Air Heating & Cooling, you can have your Keystone Heights home back to proper comfort conditions in as a few hours. You’ll need quality cooling systems to beat the heat and the humidity, which is why Southern Air Heating & Cooling has the installation experts to make it happen.

Why rely on us for your AC installation in Keystone Heights, FL? We have more than a few reasons:

  • We’re professional: When you work with us, we’ll get your AC setup in just a few hours and answer all the questions you need. Even if it has nothing to do with your current AC replacement, part of your professional installation includes working with technicians who will answer your questions. 
  • We’re fast: We work hard to cause minimal disruption to your daily routine without cutting corners.
  • We’re affordable: When the Keystone Heights heat rolls in, you need an air conditioner that prioritizes energy efficiency and cooling power. That’s why we offer competitive prices for our services, so you can focus on getting a comfortable home again with the unit that suits your needs best.

How Can You Tell If You Need a New Air Conditioner?

It’s not always easy to determine whether you need a brand-new air conditioner. If you suspect that you need an upgrade, there are a few signs you can observe in your home that make it clear:

Your AC Short Cycles

Short cycling is when your air conditioner goes through short, 20-minute cycles between on and off. This happens when the machine can’t properly cool the space it’s in, running through short cycles over and over. If your air conditioner is doing this instead of running for appropriate, longer cycles, you may have an outdated system that needs replacing.

You Notice Higher Energy Bills

The more efficient your HVAC system is, the lower your monthly energy bills will be. Older systems tend to use more energy for the same amount of cooling power, while modern systems can help you save money by using less power to produce the same amount of cool air. If you want to ensure your money is being well spent, consider an upgrade if you notice your energy bills steadily increasing each month.

Your Air Conditioner Leaks

Leaks aren’t good, especially if they happen indoors on your central cooling unit. Our AC installation in Keystone Heights, FL, is there to help you replace underperforming air conditioners. Leaks, while not a critical issue, can be inconvenient to clean up and contend with daily.

If your outdoor unit is leaking, you may notice growing grass underneath it. If your indoor unit is leaking, you may notice it pooling on your otherwise clean floor.

Air conditioner leaks indicate bigger problems, such as condensate line breaches, compressor freezes, and condenser coil malfunctions. If you have any of these issues, getting a technician to investigate your leak can help you fix it.

Get a New Air Conditioner From the Experts

If AC installation in Keystone Heights, FL, is what you need, why not work with Southern Air Heating & Cooling? We don’t solely focus on air conditioning but many other services as well that can help your home stay comfortable all year, including:

  • Heater repair
  • Heating replacement
  • Air conditioner repair
  • Ductwork replacement
  • Air filter cleaning

We work hard to be the team that Keystone Heights residents rely on for all their cooling needs. If you’re ready to experience the benefits a new air conditioner can bring, call Southern Air Heating & Cooling at 386-222-1342 for an appointment.

What Your Neighbors Are Saying!

Excellent
Southern Air4.9
Based on 1825 reviews
See all reviews
review us on
michael E.
2 days ago
Another “ feels like” 108° day and my ac wasn’t keeping up. I called Southern Air and as usual they had a tech out to me within two hours. Trent the tech arrived, he was pleasant, informative, and very thorough. He didn’t try to sell me anything I didn’t need. He just listened to my complaints and addressed our needs. I would recommend Southern Air to anyone in need of an honest responsive AIRCONDITIONING service company.
Response from the owner:Thank you, Michael, for taking the time to share your feedback. We’re glad we could respond quickly on a hot day and that Trent provided thorough, professional service focused on what you actually needed. If you’d like to schedule a seasonal tune-up or set up ongoing maintenance, please give us a call anytime.
Jeanne M.
5 days ago
Jamar was polite and efficient. He explained what was happening with my AC and provided a temporary fix for the night. Said he'll be back tomorrow to do a permanent fix. Excellent service! Jamar is very polite and efficient. Fixed my AC in less time than anticipated. You can send him back all the time. Great role model for other employees and young men his age. Albert explained everything he did for my HVAC maintenance. He was very competent and completed the maintenance required. Overall I'm very impressed with the Southern Air technicians. They have been prompt, efficient and polite. Glad that there are still companies offering great customer service.
Response from the owner:Thank you, Jeanne, for taking the time to share your feedback. We’re glad our team was professional, explained the issue clearly, and got your AC running with a temporary solution while we schedule the permanent repair. Please feel free to call us anytime for seasonal tune-ups or to set up ongoing service.
Gary O.
5 days ago
The installation was excellent—no mess, completely professional, and the crew worked clean and efficiently. Truly a top notch job from start to finish. Service was fast, too: I called around noon on day one, and someone was out within a couple of hours. The estimator came the next day, and by the following day the new unit was installed. It’s been running like a dream. As I said, the installation was outstanding, and I’m really enjoying the new A/C unit. Thank you again for the exceptional work. This is the second A/C unit I’ve purchased from Southern Air—the first one lasted 19 years. Their sales, installation, and service are consistently top notch, exactly what you need in this Florida heat.
Response from the owner:Thank you, Gary, for your feedback and for choosing Southern Air again. We’re glad you appreciated our professionalism and fast response, and that the installation process stayed clean and efficient with your new system running smoothly. Please call us anytime to schedule seasonal tune-ups or set up ongoing service to keep everything performing its best.
Kirk P.
5 days ago
Great service. He came and I had a few problems with my system. Had some leaks he helped me figure out the area and gave some advice for repairs. I will definitely be calling him back for all of my AC work. Very friendly and knowledgeable. I would recommend southern air for everyone. Also My unit was a mini split. That I installed a few years ago. He still had no problem helping with advice.
Response from the owner:Thank you, Kirk, for taking the time to share your feedback. We’re glad we could help you track down the leaks on your mini split and provide clear repair guidance, and we appreciate your kind words about our professionalism. Please give us a call anytime you’d like to schedule a seasonal tune-up or set up ongoing service for your AC system.
William B.
6 days ago
07/06/26 - Dylan, today, for our routine semi-annual maintenance check. In his thorough, attention to detail, Dylan ID'd a couple electrical components that were "struggling", and destined for failure, i.e., he caught them "early" - that's called "trouble-shooting expertise"! Proactive correction is so much wiser than repairs after failure!! Another Great check-up! 01/06/26 - Routine semi-annual check-up, today! All was well, and, all went well! Robert, almost always our "Go-To" Guy, always the consummate professional, was our Guy, today; performed a thorough inspection, and routine maintenance on our two A/C systems w/ an up-check on both! We're good to go for another 6 months, or, until we're not! Southern Air is a team-oriented operation w/ a deep bench of well-trained, well-motivated, wonderful technically proficient professionals, both in the field and in the office! They like what they do, they like each other, they're having fun, and it really shows!! This is a growing business that should be, if not, already, the case study focal point of college-level business operation and administration studies, locally and around the country! 07/22/25 - Today is Tuesday. This past Friday, we enjoyed our regular semi-annual check-up, and all went well; we passed the quiz!💥 Then, sometime Saturday late afternoon/early evening, things started "warming up"! By Sunday A.M., our a/c system, a mere 2 yrs old, was failing via an oscillating blower motor on our Air Handler. Mayday! Mayday! Mayday! Temp's are rising rapidly; we're in distress! Send Help!! Jamar Witt, another stellar performer from Southern Air, arrived to discover our blower motor acting up, and was able to get it squared away ... sorta! About an hour later, after a full & frank discussion, it resumed it's irregular misbehavior, again. I brought Molly up to speed, another star "weekend warrior" @ Southern Air, and she relayed to Jamar who wrote the order; and we settled in for a couple toastie days, waiting for replacement parts! Today, our parts arrived, and Jamar just departed, ~1730, having replaced our blower motor - easy-peasy! We're cooling rapidly, now, from a heat-soaked 87°! What did we ever do before a/c? 🙄 Southern Air to our rescue, again, 24/7! 👍🇺🇲
Response from the owner:We truly appreciate you taking the time to keep sharing your experiences with us—it never goes unnoticed! Robert and Gabby are both top-notch, and we're lucky to have them on the team. Thank you for your continued trust in Southern Air. It means the world to us!

Request Service

"*" indicates required fields

This field is for validation purposes and should be left unchanged.
SMS Opt In
You are agreeing to receive SMS customer care and marketing notifications from Southern Air Cooling and Heating. Message frequency may vary. Standard Message and Data Rates may apply. Reply STOP to opt out. Reply Help for help. Visit our Privacy Policy Page For more information

Financing Options

Comfort today, pay over time.

At Southern Air, we believe in providing accommodation for our valued customers. It’s tough predict when your air conditioner is going to need replacement. For that reason, it can be challenging to budget for a new system. 

With our flexible financing options, you can get the comfort you deserve without breaking the bank. Contact us today to learn more about our lending options, or get pre-approved online today. 

Financing Options

Customer Reviews

See What Your Neighbors Are Saying About Southern Air!

Our team is known for: professional service, accurate repairs, and fast response.

  • We got great air conditioning service from Southern Air this week. They even came out Sunday and didn’t charge extra. They got our units replaced in one day, and they were very respectful of our home and belongings.

    -Rhonda C.

  • Jamar was very prompt, professional and over all great Tech. He kept us informed on things he was doing etc. Southern Air rocks, plain and simple. Having a Tech that was great and efficient, was awesome.

    -Lindie K.

  • Our technician came out today to service our AC. He was very courteous and explained things to me. Professional demeanor and appearance. I received a text and a call prior to his arrival.

    -Rita C.

  • Justin came out on a Sunday and was very thorough and knew exactly what the issues were. He is a top notch HVAC technician. Myself and my family are grateful.

    -Shawn R.

  • Justin did a great job. Very polite, thorough and professional. You’re fortunate to have an employee like him representing your company in this day with help shortages. Plus the service was very reasonably priced.

    -William M.

  • Jeremy came to my house right on time in the morning, diagnosed my problem, went to the shop and made a game plan with some of his crew, and was back at my house within the hour to complete the job by days end.

    -Elliott O.
    Tom W.
    2 days ago
    The tech was very good and the price was right. the ac is working well now
    Response from the owner:Thank you, Tom, for the 5-star rating. We really appreciate your support and the chance to help with your HVAC needs.
    Phil M.
    2 days ago
    Woke up out unit was out. Called and within an hour we were fixed and cooling. Great service.
    Response from the owner:Thank you, Phil, for taking the time to share your feedback. We’re glad we could respond quickly and get your system back to cooling the same morning, and we pride ourselves on fast response and professionalism. If you’d like, please call us anytime to schedule a seasonal tune-up or set up ongoing service to help prevent surprises.
    Tracy C.
    2 days ago
    Thank you for fast response and great service!
    Response from the owner:Thank you for your feedback, Tracy. We’re glad you appreciated our fast response and the professional service we provided. Please feel free to call us anytime to schedule seasonal tune-ups or set up ongoing service.
    michael E.
    2 days ago
    Another “ feels like” 108° day and my ac wasn’t keeping up. I called Southern Air and as usual they had a tech out to me within two hours. Trent the tech arrived, he was pleasant, informative, and very thorough. He didn’t try to sell me anything I didn’t need. He just listened to my complaints and addressed our needs. I would recommend Southern Air to anyone in need of an honest responsive AIRCONDITIONING service company.
    Response from the owner:Thank you, Michael, for taking the time to share your feedback. We’re glad we could respond quickly on a hot day and that Trent provided thorough, professional service focused on what you actually needed. If you’d like to schedule a seasonal tune-up or set up ongoing maintenance, please give us a call anytime.
    Kimberly M.
    3 days ago
    Very professional
    Response from the owner:Kimberly, thanks for your feedback. We’re glad to know the service met your expectations, even if the root cause wasn’t fully resolved during the visit. Our team is committed to finding solutions, and we’re always available if you need further support. We appreciate the opportunity to assist you.
    Lisa L.
    3 days ago
    I came home from work and immediately felt the heat when I walked in the house. We called Southern Air and the sent a tech right out! Robert was polite, friendly and knowledgeable.
    Response from the owner:Thank you so much for the 5-star review! We're thrilled to know you had a fantastic experience with us.
    Stephen H.
    3 days ago
    Robert did a great job locating the problem and resolving the issue.
    Response from the owner:Thank you so much for taking the time to leave us a positive rating!
    Delores C.
    3 days ago
    Very Knowledgeable. Very professional. Diagnose the problem immediately. Highly recommend. Jamar Witt thank you for explaining everything.
    Response from the owner:Thank you, Delores, for your feedback and for recommending Southern Air. We’re glad our team’s professionalism and fast response helped quickly pinpoint the issue and clearly walk you through the solution. Please call us anytime to schedule seasonal tune-ups or set up ongoing HVAC service.
    Mike L.
    3 days ago
    Excellent service every time.
    Response from the owner:Thank you! We’re so glad to hear that — it means a lot to know we’re delivering excellent service every time!
    Adele S.
    3 days ago
    Southern Air is a great company
    Response from the owner:Thank you for your feedback, Adele, and for the kind words about Southern Air. We take pride in our professionalism and doing the job right each time. Please feel free to call us anytime for seasonal tune-ups or to set up ongoing HVAC service.
    Darrell L.
    3 days ago
    Jamar is timely & knowledgeable.
    Response from the owner:Thank you, Darrell, for your feedback. We’re glad our team was on time and provided knowledgeable service, and we pride ourselves on professionalism. Please call us anytime to schedule a seasonal tune-up or set up ongoing maintenance.
    Joshua M.
    4 days ago
    Great job by Dylan with Southern Air. Professional, thorough, and did a great job inspecting and cleaning my HVAC and handler. Highly recommended, well-priced, and very quick to get an appt.
    Response from the owner:Thank you, Joshua, for the kind feedback and recommendation. We’re glad Dylan provided a thorough inspection and cleaning at a fair price, and our professionalism and fast response helped you get scheduled quickly. Please call us anytime for seasonal tune-ups or to set up ongoing HVAC service.
    Mike H.
    4 days ago
    Technician was very helpful and explained what he was doing and why.
    Response from the owner:Thank you, Mike, for taking the time to share your feedback. We’re glad our technician helped by clearly walking you through the work and the reasoning behind it, and we pride ourselves on professionalism. Please call us anytime to schedule seasonal tune-ups or set up ongoing service.
    Philip H.
    4 days ago
    Randy was excellent and ID’d the problem right away
    Response from the owner:Thank you, Philip, for taking the time to share your feedback. We’re glad the issue was diagnosed quickly and that our professionalism came through during your visit. Please call us anytime to schedule a seasonal tune-up or to set up ongoing maintenance service.
    Jeanne M.
    5 days ago
    Jamar was polite and efficient. He explained what was happening with my AC and provided a temporary fix for the night. Said he'll be back tomorrow to do a permanent fix. Excellent service! Jamar is very polite and efficient. Fixed my AC in less time than anticipated. You can send him back all the time. Great role model for other employees and young men his age. Albert explained everything he did for my HVAC maintenance. He was very competent and completed the maintenance required. Overall I'm very impressed with the Southern Air technicians. They have been prompt, efficient and polite. Glad that there are still companies offering great customer service.
    Response from the owner:Thank you, Jeanne, for taking the time to share your feedback. We’re glad our team was professional, explained the issue clearly, and got your AC running with a temporary solution while we schedule the permanent repair. Please feel free to call us anytime for seasonal tune-ups or to set up ongoing service.
    garry M.
    5 days ago
    Excellent and Albert did a great job. Will recommend your company.
    Response from the owner:We’re happy to hear Albert provided excellent service. Thank you for recommending Southern Air—we’re grateful for your support.
    Gary O.
    5 days ago
    The installation was excellent—no mess, completely professional, and the crew worked clean and efficiently. Truly a top notch job from start to finish. Service was fast, too: I called around noon on day one, and someone was out within a couple of hours. The estimator came the next day, and by the following day the new unit was installed. It’s been running like a dream. As I said, the installation was outstanding, and I’m really enjoying the new A/C unit. Thank you again for the exceptional work. This is the second A/C unit I’ve purchased from Southern Air—the first one lasted 19 years. Their sales, installation, and service are consistently top notch, exactly what you need in this Florida heat.
    Response from the owner:Thank you, Gary, for your feedback and for choosing Southern Air again. We’re glad you appreciated our professionalism and fast response, and that the installation process stayed clean and efficient with your new system running smoothly. Please call us anytime to schedule seasonal tune-ups or set up ongoing service to keep everything performing its best.
    Michelle M.
    5 days ago
    Jason was very professional, efficient and thorough. Awesome!
    Response from the owner:Thank you, Michelle, for your feedback and for noting Jason’s professionalism, efficiency, and thorough work. We take pride in our professionalism and fast response to keep your home comfortable. Please call us anytime to schedule a seasonal tune-up or set up ongoing HVAC service.
    Kirk P.
    5 days ago
    Great service. He came and I had a few problems with my system. Had some leaks he helped me figure out the area and gave some advice for repairs. I will definitely be calling him back for all of my AC work. Very friendly and knowledgeable. I would recommend southern air for everyone. Also My unit was a mini split. That I installed a few years ago. He still had no problem helping with advice.
    Response from the owner:Thank you, Kirk, for taking the time to share your feedback. We’re glad we could help you track down the leaks on your mini split and provide clear repair guidance, and we appreciate your kind words about our professionalism. Please give us a call anytime you’d like to schedule a seasonal tune-up or set up ongoing service for your AC system.
    Sharon S.
    6 days ago
    Jason serviced our A/C unit today. He was professional and efficient and we thank him for a great job.
    Response from the owner:Thank you so much, Sharon! I'm glad to hear that Jamar's professionalism and efficiency made a positive impact on your experience. We appreciate your feedback and look forward to serving you again.
    Jody H.
    6 days ago
    Dylan our technician very friendly and answered all our questions. Very informative! We'd like him to be our technician when servicing the unit.
    Response from the owner:Thank you, Jody, for taking the time to share your feedback. We’re glad Dylan was friendly, informative, and helped answer your questions, and we appreciate your note about requesting him for future visits, professionalism is a priority for us. Please feel free to call us anytime to schedule a seasonal tune-up or set up ongoing service for your system.
    James L.
    6 days ago
    DYLAN WAS GREAT! LIKE FOR HIM TO BE MY FAVORITE TECHNICIAN. 😉😁
    Response from the owner:Thank you, James, for taking the time to share your feedback. We’re glad you had such a great experience with Dylan, and we take pride in our professionalism on every visit. Please feel free to call us anytime for seasonal tune-ups or to set up ongoing HVAC service.
    Bryant
    6 days ago
    Jason always does a fantastic job. Thank you.
    Response from the owner:Thank you, Bryant, for taking the time to share your feedback. We’re glad to hear Jason took great care of you, and our professionalism is something we work hard to deliver on every visit. Please feel free to call us anytime to schedule a seasonal tune-up or set up ongoing service.
    Richard R.
    6 days ago
    Trenton was great
    Response from the owner:Richard we are glad to hear that you had a great experience with Jamar. He is a true professional and we appreciate your business!
    William B.
    6 days ago
    07/06/26 - Dylan, today, for our routine semi-annual maintenance check. In his thorough, attention to detail, Dylan ID'd a couple electrical components that were "struggling", and destined for failure, i.e., he caught them "early" - that's called "trouble-shooting expertise"! Proactive correction is so much wiser than repairs after failure!! Another Great check-up! 01/06/26 - Routine semi-annual check-up, today! All was well, and, all went well! Robert, almost always our "Go-To" Guy, always the consummate professional, was our Guy, today; performed a thorough inspection, and routine maintenance on our two A/C systems w/ an up-check on both! We're good to go for another 6 months, or, until we're not! Southern Air is a team-oriented operation w/ a deep bench of well-trained, well-motivated, wonderful technically proficient professionals, both in the field and in the office! They like what they do, they like each other, they're having fun, and it really shows!! This is a growing business that should be, if not, already, the case study focal point of college-level business operation and administration studies, locally and around the country! 07/22/25 - Today is Tuesday. This past Friday, we enjoyed our regular semi-annual check-up, and all went well; we passed the quiz!💥 Then, sometime Saturday late afternoon/early evening, things started "warming up"! By Sunday A.M., our a/c system, a mere 2 yrs old, was failing via an oscillating blower motor on our Air Handler. Mayday! Mayday! Mayday! Temp's are rising rapidly; we're in distress! Send Help!! Jamar Witt, another stellar performer from Southern Air, arrived to discover our blower motor acting up, and was able to get it squared away ... sorta! About an hour later, after a full & frank discussion, it resumed it's irregular misbehavior, again. I brought Molly up to speed, another star "weekend warrior" @ Southern Air, and she relayed to Jamar who wrote the order; and we settled in for a couple toastie days, waiting for replacement parts! Today, our parts arrived, and Jamar just departed, ~1730, having replaced our blower motor - easy-peasy! We're cooling rapidly, now, from a heat-soaked 87°! What did we ever do before a/c? 🙄 Southern Air to our rescue, again, 24/7! 👍🇺🇲
    Response from the owner:We truly appreciate you taking the time to keep sharing your experiences with us—it never goes unnoticed! Robert and Gabby are both top-notch, and we're lucky to have them on the team. Thank you for your continued trust in Southern Air. It means the world to us!

    Schedule Service

    "*" indicates required fields

    This field is for validation purposes and should be left unchanged.
    SMS Opt In
    You are agreeing to receive SMS customer care and marketing notifications from Southern Air Cooling and Heating. Message frequency may vary. Standard Message and Data Rates may apply. Reply STOP to opt out. Reply Help for help. Visit our Privacy Policy Page For more information