HVAC Company in St. Augustine
Full-System HVAC Service for Historic Homes & Coastal Construction
Since 1983, Del-Air Heating, Air Conditioning & Refrigeration, LLC has served Florida homeowners with air conditioning, heating, and home comfort solutions. We’re licensed, bonded, and insured, and our background-checked technicians bring that same dependable service to St. Augustine, whether you’re in a historic downtown home or a newer build near the coast. We also offer service in Spanish.
Ready to schedule HVAC service in St. Augustine? Call us at (844) 909-3003 or use the contact form on this page to get started.
Why St. Augustine Homeowners Call Del-Air Heating, Air Conditioning & Refrigeration, LLC
When your AC goes down on a humid August afternoon, you need someone who can actually show up. We offer same-day service for urgent issues and 24/7 emergency support, so you’re not waiting days for relief. Our technicians arrive in fully stocked service vehicles ready to diagnose and resolve most problems on the spot.
We service all HVAC brands and models, so you won’t hear us push a replacement just because your system isn’t one we prefer. Our approach is to look at the full picture, find the root cause, and give you honest options. With 8 Florida locations and a fleet of over 400 service trucks, we have the scale to respond quickly and consistently across the St. Augustine area.
Beyond HVAC, we handle plumbing and electrical needs as one team, which means fewer vendors to coordinate and one point of contact for your home.
HVAC Services in St. Augustine
St. Augustine’s humid subtropical climate means cooling systems run under near-constant moisture load year-round, not just during peak summer heat. That steady strain shows up as reduced efficiency, frozen coils, and premature wear when systems aren’t properly maintained. We provide AC repair, AC installation, and heating maintenance for homeowners across the area, and our full-system diagnostic approach works equally well in the compact layouts of historic downtown homes and the larger footprints of newer coastal construction.
Indoor air quality is a real concern here. We offer air purifiers, air scrubbers, and whole-home dehumidification solutions that address the moisture and airborne contaminants that come with coastal living. If your home feels stuffy or humid even when the AC is running, those systems are worth a conversation.
Get a Free Estimate on a New HVAC System
We offer free estimates on new systems, financing options, and discounts for military members, veterans, and seniors. Cost doesn’t have to be the reason you put off a repair or replacement.
Call Del-Air Heating, Air Conditioning & Refrigeration, LLC at (844) 909-3003 to schedule service or request your free estimate. Our team is ready to help.
Thousands of Homes. One Trusted Name.
See Why Homeowners Across Florida Trust Del-Air for Honest Service and Lasting Comfort.
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“Del-Air did a great job. The technician showed up right on time, was respectful, and knew exactly what he was doing. He explained the issue and had my AC running like new in no time. Even got a follow up call to check on me the next day. All in all, solid ”- John S. -
“We have been using Del Air for our AC needs and have been very happy with the service we have received. So when we needed some electrical work done, it made sense to call a company that we know. We were not disappointed. Best decision we could have made.”- Doug P.
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“They are great! Super knowledgeable and friendly. They explained everything in detail. They were patient with all of my many questions. I highly recommend Del-Air. They love their job, and it shows in the excellent service they provide.”- Charm B.
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“If you want a friendly professional team who will take care of you, Del-Air is your company! Super friendly, easy to talk to, and easy to understand from the moment they arrived. Our AC system was fixed that day and we will definitely use Del-Air again.”- Dean D.
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“Our experiences with Del-Air were fantastic. Never have I felt better taken care of, as if it were their own home. They did a great job, and I renewed my membership without a second thought.”- Michael V.
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“I had an excellent experience with Del-Air. They were extremely thorough in diagnosing the issues with my system and explained everything clearly, so I knew exactly what was going on. Didn’t try to upsell anything unnecessary.”- Rolando E.
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“Great experience today with William from Del-Air. He came out late in the day to help make a maintenance appointment happen on my heat pump. Fast, professional, and more than willing to explain the process as he went. Thanks to him and the team!”- Christian W.
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“Had more service today done by Del-Air. They continue to do a great job each time. All the people at Del-aire are excellent. They were very clear on what the issues were. What needed instant attention, and what could be something planned for in the future.”- Rob H.
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“Del-Air was an absolute pleasure to work with! Their experience & expertise were evident as they took every necessary step to ensure we located and resolved our issues at the most affordable cost possible. Thank you Del-Air!”- Kyle N.