Service You Can Trust Florida’s Trusted Experts for Heating, Cooling, Plumbing, and Electrical Since 1983
Air Conditioning & HVAC Services in St. Augustine, FL
St. Augustine is cherished by its residents for the charming coastal atmosphere and rich history. Most appreciate the centuries-old architecture blending with laid-back Florida living. But in St. Augustine, where summer heat and coastal humidity are a part of daily life, having a dependable HVAC system means staying comfortable and having peace of mind.
That’s where Del-Air Heating & Air Conditioning comes in. As one of Florida’s most trusted HVAC providers, we offer expert, local air conditioning and heating repair, installation, and maintenance services. From historic homes downtown to new builds near the coast, we help keep your indoor climate just right all year long.
Whether you need HVAC repair, replacement, or maintenance, trust our Del-Air team in St. Augustine. Schedule service with us today!
Don’t Miss Out on These Savings!
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$49 Heating or AC Tune-Up *Terms & conditions may apply. See the Specials page for details. Valid Jan 1, 2026 - Mar 31, 2026
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$79 Heating or AC Tune-Up *Terms & conditions may apply. See the Specials page for details. Valid Jan 1, 2026 - Mar 31, 2026
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$100 OFF Installation of a Home EV Charger *Terms & conditions may apply. See the Specials page for details. Valid Jan 1, 2026 - Mar 31, 2026
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FREE Trip Charge with Paid Repair *Terms & conditions may apply. See the Specials page for details. Valid Jan 1, 2026 - Mar 31, 2026
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$100 OFF Whole Home Surge Protector *Terms & conditions may apply. See the Specials page for details. Valid Jan 1, 2026 - Mar 31, 2026
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$500 OFF New Water Heater *Terms & conditions may apply. See the Specials page for details. Valid Jan 1, 2026 - Mar 31, 2026
Trusted Services
How Can We Help You Today?
From AC repair and replacement to plumbing fixes and electrical upgrades, Del-Air keeps your home running right — all from one trusted team.
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New Construction
Reliable Air Conditioning Services
St. Augustine can certainly experience heat and humidity, making a reliable air conditioning system more than just a luxury. It’s a necessity here for home comfort. Having a trusted HVAC partner to get you through those scorching summer temps or unpredictable Florida weather can make all the difference. Trust Del-Air for all your AC-related needs, including:
- AC repair: We provide fast, effective air conditioning repair services to get your system back up and running. Our expert technicians diagnose issues quickly and offer solutions that last.
- AC installation: Do you need a new AC unit? We install high-efficiency systems tailored to your home’s size and cooling needs, saving you energy and money long-term.
- AC maintenance: Routine maintenance keeps your AC running smoothly, extends the lifespan of your unit, and prevents costly breakdowns. Our tune-ups ensure your system is ready when you need it most.
Proudly Serving Florida with 8 Locations
Areas We Serve
We are proud to serve Central Florida and other surrounding areas. If you don’t see your community listed, contact us to see if we can still help!
- Altamonte Springs
- Apopka
- Arcadia
- Atlantic Beach
- Auburndale
- Barberville
- Bayshore Gardens
- Bertha
- Black Hammock
- Boca Raton
- Boynton Beach
- Bradenton
- Brandon
- Bryceville
- Buena Ventura Lakes
- Bunnell
- Callahan
- Canveral Groves
- Cape Canveral
- Cassadaga
- Casselberry
- Celebration
- Clearwater
- Clermont
- Cocoa
- Cocoa Beach
- Cocoa Beach
- Cortez
- Cove Springs
- Davenport
- Daytona Beach
- De Leon Springs
- DeLand
- Deltona
- Doctor's Inlet
- Dunedin
- Edgewater
- Elkton
- Ellenton
- Englewood
- Fellsmere
- Fern Park
- Fernandina Beach
- Flagler Beach
- Fleming Island
- Florida Ridge
- Forest City
- Fort Pierce
- Four Corners
- Fruit Cove
- Fruitville
- Geneva
- Georgetown
- Gifford
- Glen Saint Mary
- Glencoe
- Glenwood
- Grant-Valkaria
- Greater Carrollwood
- Green Cove Springs
- Groveland
- Haines City
- Heathrow
- Hiliard
- Hobe Sound
- Hobe Sound
- Holly Hill
- Indialantic
- Indian Harbour Beach
- Indian Mound Village
- Indian River Shores
- Indiantown
- Jacksonville
- Jacksonville Beach
- Jensen Beach
- Jupiter
- Jupiter Island
- Key Biscayne
- Kissimmee
- Lake Butler
- Lake City
- Lake Helen
- Lake Magdalene
- Lake Mary
- Lake Monroe
- Lake Wales
- Lake Worth
- Lakeland
- Lakewood Ranch
- Land O' Lakes
- Largo
- Laurel
- Lawtey
- Leesburg
- Longboat Key
- Longwood
- Lutz
- Macclenny
- Malabar
- Meadow Woods
- Melbourne
- Merritt Island
- Middleburg
- Midway
- Mims
- Narcoossee
- Neptune Beach
- New Port Richey
- New Smyrna Beach
- Nocatee
- Nokomis
- North Palm Beach
- North Port
- North River Shores
- North River Shores
- Oak Hill
- Oak Ridge
- Ocala
- Ocean Breeze
- Ocoee
- Orange City
- Orange Park
- Ormond Beach
- Ormond By The Sea
- Oviedo
- Palm Bay
- Palm Beach Gardens
- Palm City
- Palm Coast
- Palm Harbor
- Palm Shores
- Palmetto
- Patrick Air Force Base
- Penney Farms
- Pierson
- Pine Hills
- Plant City
- Poinciana
- Ponce Inlet
- Ponte Vedra Beach
- Port Charlotte
- Port Mayaca
- Port Orange
- Port Salerno
- Port St John
- Port St Lucie
- Rio
- Riverview
- Rockledge
- Roseland
- Safety Harbor
- Samsula Spruce Creek
- Sanderson
- Sanford
- Sanlando Springs
- Satellite Beach
- Sebastian
- Seffner
- Seminole
- Seville
- Sewall's Point
- Siesta Key
- Silver Spring Shores
- Slavia
- Spring Hill
- St Augustine
- St Cloud
- St Johns
- St Petersburg
- Starke
- Stuart
- Suntree
- Taintsville
- Tarpon Springs
- The Villages
- Titusville
- Treasure Island
- Tuskawilla
- Valrico
- Venice
- Viera West
- Wabasso
- Wedgefield
- Wekiwa Springs
- Wellington
- West Palm Beach
- West Vero Beach
- Windermere
- Winter Beach
- Winter Garden
- Winter Garden
- Winter Haven
- Winter Park
- Winter Springs
- Yulee
- Zephyrhills
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Protect Your Home Year-Round Regular Maintenance That Saves You Time, Money, & Stress.Join a Del-Air Maintenance Agreement Plan to keep your systems running efficiently and prevent costly breakdowns. Priority scheduling, discounts, and peace of mind — all included. -
Financing Options Flexible Payment Options for Every Home & SystemWe make it easy to stay comfortable with financing options designed to work for your budget — so you can enjoy peace of mind now and for years to come.
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Comfort at a Better Value Specials & PromotionsExplore limited-time offers on HVAC, plumbing, and electrical services to keep your home running efficiently all year long.
Top Heating Services in St. Augustine
Even though Florida winters are generally mild, chilly nights in St. Augustine can catch you off guard. When temperatures drop, it’s important to have a reliable heating system that keeps your home warm and comfortable. Our Del-Air team provides comprehensive heating services, so you’re prepared, no matter the forecast. Turn to us for:
- Heating repair: If your heat isn’t working properly, we’ll diagnose and fix the issue fast. From strange noises to inconsistent temperatures, our technicians handle all types of heating repairs.
- Heating installation: Are you upgrading your system? We install energy-efficient heating systems that deliver comfort without driving up your utility bills.
- Heating maintenance: Prevent future breakdowns and improve performance with seasonal maintenance. Our tune-ups help extend the life of your system and keep it running efficiently all winter.
Thousands of Homes. One Trusted Name.
See Why Homeowners Across Florida Trust Del-Air for Honest Service and Lasting Comfort.
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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. -
“I just have AC/Heat wiring replaced and run to the attic by DelAir AC technician Roberto Lyva. He did a great job and I am very with the quality of work he did.”- Regino B.
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“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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“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.
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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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“My recent visit from Del-Air was a refreshing experience. Their expertise, competence, and respect for our home were evident throughout the visit. They were also very diligent and professional, and even adjusted my AC temperature back to my preference.”- Jordan F.
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“Del-Air completed service today on my air conditioning system. They were fabulous, polite, and did their best for us! I appreciate everything and I'm very satisfied. If you need any home service in Florida, call Del-Air. You won't regret it!”- Joanne K.
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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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“They explained the problem in a way that was easy to understand and provided honest recommendations. Their work was thorough & efficient. I would absolutely recommend Del-Air to anyone needing HVAC services.”- Daniel G.
Enhance Your St. Augustine Home’s Comfort With Del-Air
See why so many St. Augustine homeowners trust Del-Air with all their air conditioning and heating needs. Your home comfort is always our priority, and our local technicians keep your vital HVAC systems efficient and effective all year long. Call us because we:
- Offer same-day service
- Have licensed and insured technicians
- Service all brands
- Offer free estimates on replacement quotes
- Have financing options
Schedule HVAC services for your St. Augustine home with Del-Air today!
Decades of Dependable Service
Built on Trust, Quality, and Community.
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Same-Day ServiceWhen you need help fast, Del-Air delivers with prompt, professional same-day appointments.
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24/7 Emergency SupportComfort emergencies don’t wait — and neither do we. Call anytime, day or night.
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We Service All Brands & ModelsNo matter what you have, our skilled technicians can handle it with ease.
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Fully Licensed, Bonded & InsuredYour home is in expert hands with our certified, trusted professionals.
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Free Estimates on New SystemsKnow your options upfront with clear, no-obligation estimates.
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Discounts for Military, Veterans & SeniorsA small way we say thank you to those who’ve served and supported our communities.