Your Neighbors in the Maritime Heart of Suffolk County
Suffolk County is the true "Long Island"—a sprawling landscape that moves from the bustling suburban energy of Huntington and Babylon to the serene vineyards of the North Fork and the world-renowned shores of the Hamptons. It is a county of incredible natural beauty, defined by the bluffs of the Long Island Sound and the white sands of Fire Island. Life here is lived according to the seasons: the excitement of the Great Cow Harbor Run, fall weekend trips to the farms in Riverhead, and summers spent at Smith Point County Park.
Since our founding over nine decades ago, T.F. O’Brien has been the trusted name for Suffolk families who need reliable service they can count on during a winter nor'easter or a humid July heatwave. We treat our Suffolk neighbors like family because, to us, you are.
Built for the Suffolk Lifestyle
Suffolk County homes often face more exposure to the elements and sit on larger plots, requiring a different approach to home comfort:
- All-Season Reliability: When a heavy snowstorm hits the Stony Brook or Smithtown area, a broken furnace is more than an inconvenience. Our NATE-certified technicians are available 24/7 for emergency repairs, ensuring your family stays safe and warm no matter the weather.
- Modern Air Quality & Cooling: The high humidity levels on the South Shore can lead to indoor air quality issues. We offer advanced whole-home filtration and high-efficiency AC systems that keep your indoor environment crisp and healthy, even when the humidity off the Great South Bay is at its peak.
- Plumbing & Water Protection: With many Suffolk homes featuring finished basements, we specialize in sump pump installation and maintenance to protect your property from the high water table. We also offer comprehensive drain cleaning and water softening services tailored to Suffolk’s specific water conditions.
We are active corporate sponsors of the Townwide Fund of Huntington and members of the Huntington Chamber of Commerce. We understand the "Pride in Port" and the small-town feel that makes Suffolk County such a special place to raise a family. Whether you are in a beachfront bungalow or a sprawling estate, T.F. O’Brien is committed to keeping your home running smoothly.
Looking to enhance your home's comfort or need a trusted local plumber? Contact T.F. O’Brien today—we’re just around the corner.
Anyone who lives here in Suffolk County knows that we get some extremes in temperatures and conditions on Long Island. The summers can get blazing hot and it's not unusual for us to get a couple of snow storms during our chilly winters. Our goal is to keep you comfortable all year long by providing heating and cooling services for you at your Suffolk County home. We can help install a new furnace, repair a heat pump system, or come by for yearly tune ups and maintenance. We also have a full line of services that will improve your indoor air quality, including air scrubbers and purifiers.
Give us a call and we can come out and give you an estimate on any of these services that you'll need for your Long Island home before winter's chill and summer's heat.
Highly Trained HVAC Technicians are Here to Help You
At T.F. O'Brien Cooling & Heating, we take immense pride in our team of skilled craftsmen, and we're confident you'll notice the difference they make. Their positive attitudes and strong work ethic shine through on every job site, and our entire company is dedicated to ensuring your experience with us is hassle-free and enjoyable. From the professionalism of our engineers to the dedication of our trained technicians, we are committed to providing you with top-notch service. Our ultimate goal is to offer you the best HVAC service available for your Long Island, NY, home, and we won't rest until you're completely satisfied with the quality of our work.
Get Started with an Estimate
Join 25,000+ Happy Homeowners!
Call T.F. O'Brien Cooling & Heating at (516) 488-1800 or complete our short form below and a representative will reach out to you.
"Completely Satisfied"
"I was completely satisfied with the professionalism, quality, and courteousness of your service. I will continue to call on and recommend you all future AC/Heating needs. Thank You."
- T.F., Baldwin, NY
When you’re looking for heating and cooling service in Suffolk County, NY, look no further than T.F. O'Brien.
Our team of expert technicians is specially trained to perform comprehensive HVAC services on virtually any heating and cooling systems on the market, including all major brands and models we sell. We work diligently to meet your needs both professionally and efficiently, ensuring your complete satisfaction with every service call.
We stand behind our work with a 100% satisfaction guarantee – you won't pay until you're completely satisfied with the service we provide. Our technicians arrive promptly, diagnose issues accurately, and complete repairs or maintenance efficiently to minimize disruption to your home or business.
Don't suffer through uncomfortable temperatures in any season – choose our professional HVAC team to help with all your heating and cooling needs. From routine maintenance to emergency repairs and new system installations, we have the expertise to keep your indoor environment comfortable year-round.
T.F. O'Brien proudly serves all of Long Island, including Nassau County, Suffolk County, and Brooklyn. When you need an HVAC contractor for your Long Island, NY home, T.F. O'Brien is ready to assist you.
Simply call us at 516.488.1800 and one of our friendly representatives will be more than happy to help you.
T. F. O’Brien proudly offers Suffolk County, NY, customers local HVAC service
Find out more about our HVAC services by clicking one your particular home comfort service need. We can help you now!