Del-Air has provided Florida residents with a comprehensive selection of quality heating, ventilation and cooling products and services for nearly four decades. We want to keep your home feeling comfortable, no matter what the temperature is outside.

Importance of Quality HVAC Services

Local home and business owners know how essential Florida heating and air conditioning services are. Extreme temperatures adversely affect moods, productivity and existing health conditions. You need HVAC services that perform well, and we will go the extra mile to keep your unit running at its best. Del-Air Heating and Air Conditioning is among Florida’s largest and most trusted heating and AC repair companies. Since 1983, we have dedicated ourselves to offering top-notch customer support and assistance for heating and air conditioning systems throughout Jacksonville. If you are looking for a fast and efficient AC company in greater Jacksonville, count on us. We offer a range of high-quality products and services in air conditioning, heating and air quality so you can rest assured that your home is at peak performance at all times.

HVAC Services in Jacksonville, Florida

Del-Air Heating and Air Conditioning provides Jacksonville homes with dependable HVAC services and exceptional customer support. We understand the importance of reliable HVAC systems and the ins and outs of maintaining your home’s systems. Our team can help you with various products and services to keep your home comfortable. Del-Air Heating and Air Conditioning offers the following.

New AC Installation

del-air is a premier dealer of Lennox products

Installing a quality AC in a new home or replacing an old system improves comfort and energy efficiency. A new AC system helps lower electricity bills while quietly cooling your home. We are one of Florida’s premier dealers of Lennox products, allowing us to offer you incredible options. We offer flexible financing with approved credit, and our team can help you choose the best AC system for your needs. Del-Air technicians have the training and experience to install AC systems correctly, so you can depend on your system to cool your home while conserving energy. We also work efficiently, providing fast service with minimal disruption to your routine. Whether you need to replace a damaged system or want to upgrade to a more energy-efficient model, Del-Air can help.

Preventive HVAC Maintenance

Florida’s high heat and humidity can cause significant AC system wear and tear, causing systems to work harder and use more energy to effectively cool homes. Regular maintenance helps AC systems operate efficiently and last longer. Routine maintenance lets you maintain a cool, comfortable home and keep your monthly energy bills low. Del-Air Heating and Air Conditioning offers preventive and seasonal HVAC maintenance to support longevity and operational efficiency. We thoroughly inspect heating and cooling systems to identify potential complications, and we make repairs and replace parts as necessary. Our expertise allows us to detect early-stage repair needs, preventing further damage and saving you money. We can also help you determine when to replace your system with a new model. Del-Air’s trained, knowledgeable technicians will prolong your HVAC system’s life span for more home comfort.

AC Repair Services

HVAC systems sustain wear and tear over time, which can lead to complications. Fast repair services are essential in Florida’s heat because they restore cool temperatures quickly. Del-Air Heating and Air Conditioning offers 24/7 emergency services, so you can rely on licensed technicians when you require assistance. With 500 fully stocked trucks, our technicians can make fast repairs and restore your system to optimal performance. We service all HVAC system brands, allowing us to support every household that contacts us for help. If you need AC services in Jacksonville, Del-Air Heating and Cooling can swiftly meet your needs.

Heat Pump and Furnace Installation

jacksonville florida's occasional cold snap

Del-Air Heating and Air Conditioning also installs quality heat pumps and furnaces to warm homes on Florida’s cooler days. While the Sunshine State has no shortage of humid weather and sunny days, Jacksonville residents can still experience occasional cold snaps. Heat pumps can cool and heat homes efficiently, preparing homeowners for outdoor temperature fluctuations. We offer heat pumps with high seasonal energy efficiency ratios, ensuring maximum cooling efficiency that can lower your utility costs. Keep your home comfortable all year with Del-Air’s quality heat pump installation services.


Proper insulation maintains comfort and reduces energy bills. Insulation provides a thermal barrier to block excess heat from entering your home and keep conditioned air inside, making it easier to keep your cool on the hottest days. Del-Air Heating and Air Conditioning’s technicians can recommend the best insulating materials for your home and install them properly.

Air Filter Installation

Del-Air Heating and Air Conditioning also offers air filter replacements. We help Jacksonville residents maintain healthy air and reduce energy bills with quality HVAC air filters that catch contaminants and prevent them from circulating inside your home. You can rely on us for efficient air filter installation services.

Areas Served:

Macclenny Taylor
Glen St. Mary Black Bottom/Trail Ridge
Baxter Two Bridges
Cuyler Eddy/Eddy Grade
Indiantown Rio
Olustee Manning


Green Cove Springs Belmore
Keystone Heights Clay Hill
Orange Park Doctors Inlet
Penney Farms Hibernia
Asbury Lake Lake Geneva
Bellair-Meadowbrook Terrace McRae
Fleming Island Virginia Village
Lakeside Camp Blanding/Kingsley Lake
Oakleaf Plantation

Jacksonville Beach
Atlantic Beach
Neptune Beach

Fernandina Beach Bryceville Hedges O’Neil
Amelia City Chester Hero Verdie
American Beach Crandall Ingle Yulee Heights
Callahan Crawford Italia
Hilliard Dahoma Keene
Andrews Dyal Kent
Nassau Village-Ratliff Evergreen Kings Ferry
Yulee Franklintown Lessie
Becker Glenwood Mattox
Boulogne Gross Nassauville

Crescent City Edgar Mannville
Palatka Florahome Melrose
Interlachen Francis Orange Mills
Pomona Park Fruitland Putnam Hall
Welaka Georgetown Ridgewood
East Palatka Grandin Rodman
Bardin Hollister San Mateo
Bostwick Huntington Satsuma
Carraway Johnson Crossroads Springside
Crossley Lake Como Yelvington

St. Augustine St. Augustine South Spuds
St. Augustine Beach Villano Beach Summer Haven
Butler Beach World Golf Village Switzerland
Crescent Beach Bakersville Vermont Heights
Flagler Estates Elkton
Fruit Cove Hastings
Nocatee Julington Creek Plantation
Palm Valley Mill Creek
Sawgrass Ponte Vedra Beach
St. Augustine Shores St. Johns

Lake Butler
Worthington Springs

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What To Expect

Discover the Del-Air Difference

Same-day Services
24/7 Emergency
Servicing All Brands & Models
Fully Licensed, Bonded, & Insured
Free Estimates on New Systems
Discounts for Military, Veteran, and Senior Citizens
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Our Reviews

See What Your Neighbors Are Saying

I have been a customer for over 4 years now and Del-Air has consistently met my needs. The associates are knowledgeable and good at communicating with their customers as it relates to concerns they see and trying to be proactive to maximize timely maintenance. I continue to be a satisfied customer with Del-Air. Thank you!

Linda H.

Jacksonville, FL

My service appointment is always phenomenal with Del-Air. I have never before had such a thorough service. They spend so much time cleaning, testing, repairing, and just doing the job of maintenance. I am truly impressed and would never use anyone else. In addition, the service technicians are the most friendly and knowledgeable customer service oriented…

Amy S.

Jacksonville, FL

Called at 9pm and they were at our house the next day at 9am. Thorough evaluation , great communication, and fixed our problem without a hard upsell for a whole new unit. Honest service and I have great confidence with this company moving forward.

Matt G.

Jacksonville, FL

We have the annual maintenance plan with Del-Air for HVAC and this was our first appointment for our new system. The technician did a great job and was very thorough. He explained everything to us and was extremely knowledgeable. Highly recommend!

Joanna P.

Jacksonville, FL

The technician was on time, polite, professional, and thorough. He explained what he was doing and went beyond simply correcting the problem by making sure the system was working properly. I have used Del-Air before and they don’t disappoint.

John F.

Jacksonville, FL