
Call the Reliable Ducts
North Florida's Dependable HVAC Service Provider

St. Johns HVAC Services
Available 24/7 for Your Cooling, Heating, & IAQ Needs in North Florida
As a full-service HVAC company, Reliable Ducts Heating and Cooling is proud to be your trusted partner for reliable heating, cooling, and indoor air quality services in St. Johns! Our family-owned and operated team has over 15 years of experience serving homes and businesses in North Florida, giving you peace of mind that your investment is in trusted hands.
From brand-new installations to preventative maintenance plans, our licensed technicians have a reputation for providing dependable and tailored solutions when you need them most. With 24/7 availability and our broad selection of top-quality products, we make it easy to enjoy consistent comfort all year long!
Is your AC acting up? Tired of uneven heating? Turn to Reliable Ducts Heating and Cooling for top-notch HVAC solutions in St. Johns! Contact us online to request a free estimate.
Why Choose Reliable Ducts?
Locally Hatched, Always Reliable: Your Neighborhood Comfort Experts
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Your comfort matters most—we’re only happy when you are.
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Honesty drives everything we do, delivering reliable solutions that put your needs first.
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We keep you informed, ensuring you have the knowledge to make confident decisions.
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We’re dedicated to serving our community with personalized & reliable HVAC care.


Hear From Our Happy Customers
At Reliable Ducts Heating and Cooling, your satisfaction is our priority! See for yourself what our customers have to say about working with us.
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Piter was wonderful! He addressed all of our questions and concerns and was very thorough in ensuring our system was working properly. He is a great representation of the company.- Mal B.
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Reliable Ducts did a great job installing our new AC. They were efficient, professional, timely (next day install), courteous, and better pricing than everyone else we consulted!- Cathy M.
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Isaiah did a great job with everything from time he arrived to the time he left. He really took care my ac system and could tell the difference in this Florida heat. I recommend him and his company. I'm a happy customer right now.- Ray S.
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Excellent experience with Reliable Ducts. We were able to get a quick appointment, Malik was on time, professional, friendly, and very knowledgeable. He had us repaired promptly! Highly recommend.- Michelle P.
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Excellent customer support, I definitely would recommend others to this outstanding organization.- Ben H.
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Very happy with the professionalism, kindness, and service provided by Reliable Ducts and their technician, Jason. We will be using Reliable Ducts for all of our future cooling & heating needs.
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Very friendly, courteous, and clean-cut technician. Guided us through troubleshooting our problem, then gave us several options. Great experience, can not say enough about them. I highly recommend this company.- Raul A.
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So appreciate of the entire team from the sales team to the technicians that did the work. For me having great customer service is what creates customers for life. Thank you to the entire team for all your hard work and timeliness.- Kerry B.




When Is the Best Time to Schedule HVAC Maintenance in North Florida?
For optimal performance, we recommend scheduling AC tune-ups in the spring and heating maintenance in the fall. This gives our HVAC specialists time to address potential issues before the peak heating and cooling seasons kick in.
Time for an AC or heating tune-up? Our team can help you create a custom maintenance plan to extend the lifespan of your system, improve HVAC efficiency, and prevent costly breakdowns in the future!
Do You Offer Emergency HVAC Services in St. Johns?
Absolutely! At Reliable Ducts Heating and Cooling, we know heating and cooling breakdowns aren’t limited to regular business hours. That’s why we offer around-the-clock emergency services for all your HVAC emergencies. With 24-hour support and same-day appointments available, we make it easy to enjoy lasting comfort and peace of mind!
My Business Is Experiencing Inconsistent Temperatures Off St. Johns Parkway. What Can I Do?
As a business owner, maintaining a comfortable space for clientele is key to driving success. If your commercial building is experiencing inconsistent temperatures off St. Johns Parkway, some potential culprits include dirty filters, ductwork issues, or improperly sized equipment.
Luckily, our technicians are here to help! We can perform a thorough assessment to diagnose the problem and recommend suitable solutions to restore consistent temperatures to your business.
My AC Stopped Working on Glen Laurel Drive & I’m Worried About Affording Repair Costs. Do You Offer Financing?
Yes! At Reliable Ducts Heating and Cooling, your comfort and safety are our top priority. If your AC broke down during the extreme summer heat, don’t hesitate to contact our technicians for emergency repairs! We offer free estimates and financing options to accommodate your unique needs and circumstances. From pricing to scheduling, our friendly professionals are available 24/7 to address any questions or concerns you have.
Our technicians are just a call away for all your heating and cooling needs! Call (904) 659-8046 to schedule a service.
