AC Service, AC Replacement & HVAC ContractorPonte Vedra Beach, FL, Jacksonville, FL & Fleming Island, FL

Expert Heating And Cooling Services In St. Johns County

At Hammond Heating & Air Conditioning, we have been proudly serving residential and commercial properties throughout St. Johns County, FL and surrounding areas since 1957! We firmly believe in providing the best HVAC service possible to our clients at competitive prices and ensuring your environment is always safe and comfortable all year round. We offer a range of top-tier services including new HVAC design and installation, system replacements, advanced repairs, quality maintenance, home automation, sheet metal fabrication, indoor air quality, and more!

When you choose us for your HVAC needs, you can count on always having superior air quality, a comfortable and healthy environment, and lower energy expenditure. If you are seeking a new HVAC installation for your new construction project or you need to replace your old HVAC equipment, we have you covered. Our NATE-certified experts can design and install the most energy efficient systems on the market brought to you by reputable brands such as Bryant, Trane, Ruud, Lennox, and Goodman. Once your new system is installed, it will be tested to ensure it operates as designed. To keep your investment protected, make sure to ask about our preferred customer program. You can enjoy several benefits such as priority servicing, discounted repair costs, and peace of mind with a system that has minimal risk of expensive breakdowns or repairs.


If you have a system that breaks down unexpectedly or is developing serious problems, make sure to give us a call! If the issue is serious, you can count on our emergency repair service for restored comfort in your environment in a timely fashion. If the problem isn’t too serious, our experts will put you on the repair schedule and you can count on them to always show up on time. Your system will be diagnosed carefully ensuring we find the root problem and we’ll give you a free detailed repair estimate. When you hire us for our repair service, the repairs will be handled with quality workmanship and we only use high quality replacement parts. You can trust that our repairs are made to last everytime. When you want the best HVAC service in St. Johns County, make sure to reach out!

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