
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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Not only did they repair my ducts, but took the time to explain in detail what was completed, why it was completed, and then how to maintain the structure of my unit in a way that was clear and easy to understand.- Samantha R.
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Matt was courteous, friendly, professional, extremely knowledgeable and answered all our questions. Got us up and running quickly. Very happy with his customer service.. would give 6 stars if possible.- Rick L.
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Reliable has been doing an awesome job keeping up with my AC/Heating units since we bought our new house, and I couldn't be happier.- William S.
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Never had our ducts done before and it was long overdue. They were great, responded same day with a quote, and immediately set a date and time.- Dulce S.
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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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We have been very impressed with Reliable Ducts! They are reasonably priced with great service. We will most definitely continue to use this company for our air-conditioning needs- Mindy A.
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Jason and Matt did an excellent job helping with my AC problem. They are friendly and skilled in their profession. The used terminology to help me understand the issue and resolution. Thanks guys!- Michelle S.




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.
