Heating Contractor in Nassau County, NY

Heating Contractor Nassau County NYWinters in the Nassau County, NY area can get frigid, and when the outside temperatures plummet, you’ll want to be sure that your home heating system is able to keep you and your family warm and toasty. There are occasions, however, when your system isn’t working perfectly, and you need maintenance, repairs or even a heating system replacement. When you require the services of a heating contractor for your home, you can count on the experts at T.F. O’Brien Cooling & Heating. For 80 years, we’ve been helping homeowners in Nassau County, NY with their heating repair, maintenance and installation needs, and we can help you too.

Why have we been in the business of home comfort for so long? The answer to that is simple – at T.F. O’Brien Cooling & Heating, we always put the customer first. You can count on us when you need a heating contractor you can trust for your Nassau County, NY home. We employ technicians who are superior craftsmen with great attitudes and work ethic, and it is always our goal to meet your heating needs with courtesy, expertise and the utmost professionalism. We strive to ensure that we’re always your heating contractor of choice.

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"Exceeded Expectations Throughout"


"The installation of a new central a/c unit exceeded expectations throughout the entire process...a true professional team throughout.

Thorough explanation of available options, responsive scheduling, seamless installation in one day by a diligent crew that took great care to be neat and clean, including the complete removal of the old system.

Would highly recommend the T. F. O’Brien team for installation of a new A/C system."

Jim Graf - Satisfied T.F. O'Brien Customer

Google Star Rating 4.8
72 reviews
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270 reviews

Count on T.F. O’Brien for heating contractor services for your Nassau County, NY home.

At T.F. O’Brien Cooling & Heating, our goal is to provide Nassau County, NY residents with the best heating systems available. We’re proud of our workmanship and our lineup of heating products. We focus on making you and your family happy and comfortable, and we’re not satisfied until you are. Trust us to look out for your best interests and provide exceptional heating products and services of the highest quality to ensure expected safety and comfort. We never want you to have to deal with a hassle, and we want you to have the best possible experience working with us. We guarantee you’ll be completely satisfied with the work we do for you, and you won’t pay until you are.

T.F. O’Brien is the heating contractor of choice for the Nassau County, NY area.

When you choose to work with us, you’re working with a company with years of experience keeping the people of Nassau County, NY comfortable and warm all throughout the winter months. We take great pride in our skilled team of NATE-certified technicians. They work hard to ensure the work they do for you is completed to perfection, and you can count on them to provide you with the best heating repair, maintenance and replacement for your home. Choose us for these heating products and services:tfo areas served

  • Heating in Nassau County, NY
  • Ductless Heating in Nassau County, NY
  • Heating Repair in Nassau County, NY: It’s Murphy’s Law – if it’s going to break down, your heating system likely will do so on the coldest night of the year. You need a heating contractor can help in a hurry – which is why you should count on T. F. O’Brien. Our technicians are highly trained and use the most advanced diagnostic equipment, instruments and tools available so they can evaluate your heating system repair needs quickly and thoroughly, which will help you save time and money – and get back to being warm and comfortable!
  • Heating Maintenance in Nassau County, NY: One way you can ensure that, once the long, cold winter months arrive, your family will be safe and warm is by choosing heating system maintenance. At T.F. O’Brien, we know that heating system maintenance is vital to the life of your equipment, which is why we offer comprehensive heating system maintenance plans for our customers. Keeping your heating system properly maintained is a priority for us because it helps your system operate at peak performance, while helping you save on utility bills.
  • Heating Systems in Nassau County, NY: If the time has come for a new heating system in your home, then you should know you can trust T. F. O’Brien to help. We’re pleased to offer our customers the best quality, most efficient heating systems available. You’ll find that our heating systems offer long-lasting durability and high efficiency, and that will help you save both energy and money on your utility bills once the cold winter weather rolls in. We’re committed to providing you with the best heating system – and best service – money can buy.
  • New Heating System Installations in Nassau County, NY: Do you need a new heating system installation for your home this winter? Then you should call the experts at T.F. O’Brien. We make it our priority to always look out for your best interests and provide high quality new heating system installations to ensure the comfort and safety you expect. We offer systems that will keep your home at the perfect comfort level, all while helping you save on your home’s energy consumption – as well as on your heating bills. And, your satisfaction is guaranteed!
  • Heat Pumps in Nassau County, NY: If you and your family need heating and cooling, all in one efficient package, then you might want to consider a heat pump installation from T.F. O’Brien. Heat pumps offer high efficiency because they transfer hot air as opposed to burning fuel inside your home. Our heat pumps are high quality and are from the best home comfort brands in the business. These heat pumps are designed to provide your home with the appropriate levels of heating and cooling at a price that works with your budget.
  • High Velocity Heating in Nassau County, NY: If your home has limited space for a duct system but is in need of better heating, then you may want to think about high velocity heating from T.F. O’Brien. A high velocity system uses an air handler indoors, as well as outdoor equipment, a line set of pipes that connect the indoor and outdoor units, and small diameter ductwork, which transfers the heated air throughout your home. If you have an older, multi-story home where larger ductwork is space prohibitive, high velocity heating may be right for you.
  • Heating Service in Nassau County, NY: Did you know that the single best way to make sure that the heating system in your home lasts a long time and maintains its best efficiency is by making sure it receives regular heating service? Like a vehicle, your heating equipment needs regular service to maintain smooth, efficient operation, which ensures you and your family’s comfort and safety. At T.F. O’Brien, our technicians have been highly trained in all aspects of heating service, and are ready to make sure your heating system is running perfectly.
Don’t be left out in the cold this winter – count on T.F. O’Brien to help you no matter how chilly the Nassau County, NY weather gets. When you need a heating contractor for your heating repair, maintenance and installation needs, we are ready to help. We proudly serve all of Long Island, including Nassau County. Just give us a call at 516.488.1800, and we will be pleased to assist you with your heating needs.