Your Local HVAC Experts – Delivering Comfort & Care Across Long Island

Fast, Friendly Service From a Local, Family-Owned Team You Can Trust.

Nassau County and Suffolk County

Call or Text (631) 231-6767

HVAC Experts You Can Trust in Nassau County and Suffolk County

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Local, Family-Owned
HVAC Company Serving Long Island Since 1982

Heating and cooling might feel like a modern convenience, but when your system breaks down, it quickly becomes a necessity you can’t live without. Since 1982, Advanced Air has been keeping Long Island homes and businesses comfortable with reliable heating, cooling, and refrigeration services.

We’re proud to serve Hauppauge, Smithtown, Brentwood, Dix Hills, Deer Park, West Islip, Jericho, Syosset, Melville, Kings Park, and surrounding Long Island areas. At Advanced Air Conditioning, Heating & Refrigeration, you can expect personalized service, dependable workmanship, and comfort solutions designed to last.

Your Complete Comfort, Covered

Heating & Cooling Repairs
No heat in the middle of winter? AC not cooling during a heatwave? Our experienced team provides reliable AC repair, furnace repair, boiler repair, heat pump repair, and ductless mini split repair.
Preventative HVAC Maintenance
Routine maintenance is the key to efficiency and long-lasting performance. Our professional AC, furnace, boiler, and heat pump maintenance services are designed to reduce breakdowns and extend the life of your system.
Installation & Replacement
We specialize in AC installation, furnace installation, boiler installation, heat pump installation, and ductless mini split installation, as well as full system replacements. With over 43 years of expertise, we ensure your installation meets the highest standards for comfort, efficiency, and reliability.

Technician repairing an air conditioning unit outdoors.

Your Complete Comfort, Covered

Heating & Cooling Repairs
No heat in the middle of winter? AC not cooling during a heatwave? Our experienced team provides reliable AC repair, furnace repair, boiler repair, heat pump repair, and ductless mini split repair.
Preventative HVAC Maintenance
Routine maintenance is the key to efficiency and long-lasting performance. Our professional AC, furnace, boiler, and heat pump maintenance services are designed to reduce breakdowns and extend the life of your system.
Installation & Replacement
We specialize in AC installation, furnace installation, boiler installation, heat pump installation, and ductless mini split installation, as well as full system replacements. With over 43 years of expertise, we ensure your installation meets the highest standards for comfort, efficiency, and reliability.

Technician in blue uniform holding a clipboard and smiling.

Your Comfort, Our Promise

Whether you need a routine tune-up or an emergency repair, you can trust our team to deliver comfort you can count on. Contact us today to schedule service and discover the Advanced difference.

What Our Customers Say

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Albert Gharbin JR

I've had a couple of job done with advanced air. There response is more than acceptable. Their HVAC tech Herbie is good with repairs and explained the whole process and preventative measure to maintain our system really well. I recommend Herbie Medina highly for all of your service needs.

Scipio

I had them install a new central air system and they did a great job! Joe was great to work with and stood behind his commitments. The installers were skilled and careful in their work. So far it’s working great. Highly recommended.

Carol Conard

So grateful to Advanced Air Conditioning & Heating for the job done at my home this week. Couldn’t be happier with everything…. the office personnel and the professional technicians who did an excellent install. Thank you!!

Join Our Comfort Club

Take the stress out of maintaining your heating and cooling systems with our exclusive Advanced Comfort Club.

Member Benefits:

Seasonal Maintenance – Spring & Fall tune-ups to keep your system running smoothly
Priority Scheduling – We’ll be there when you need us most
No After-Hours Charges – Pay the same reliable rate, day or night
Comfort Care Report – A full report so you know exactly how your system is performing