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.