Long Island Furnace Contractor

gas furnacesDo you live in the Long Island area and need a furnace contractor you can rely on? T.F. O’Brien Cooling & Heating is just a phone call away. We’ve been providing Long Island residents with expert furnace repair, maintenance and installation for nearly 80 years, and we want to help you too.

The reason T.F. O’Brien has been Long Island’s furnace contractor of choice for close to eight decades is simple – we always put our customers first. So if you’re looking for a trustworthy furnace contractor with a proven track record, T.F. O’Brien is the right choice. Our technicians are superior craftsmen with great attitudes and work ethic and their   priority is to always meet your furnace needs with courtesy, professionalism and expertise.

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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.

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    "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

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    85+ years of service

    To Your Success


    Five Stars

    1,767 reviews



    Five Stars

    1,183 reviews

    T.F. O’Brien review scores as of 4/12/24

    T.F. O’Brien is Long Island’s full-service furnace contractor.

    tfo areas servedWhen you work with T.F. O’Brien, you’ll see that we want our customers to be perfectly comfortable, which is why we provide a complete range of furnace services, including:

    • Long Island Gas Furnace Repair T.F. O’Brien provides gas furnace repair services on most makes and models of gas furnaces, so no matter what type you currently have installed in your home, we can assist you. We’ll provide you with prompt service as well, so you can count on us having your gas furnace repair completed effectively and efficiently. Our technicians are equipped with top quality diagnostic tools and replacement parts, so you’ll know your gas furnace repair will reflect the professionalism and quality you’ve come to expect from us.
    • Long Island Gas Furnace Installation Has your old furnace seen better days? Then it might be time to consider a gas furnace installation, especially if you’ve been experiencing lower levels of comfort and higher utility bills. By choosing T.F. O’Brien to provide your gas furnace installation, you’re choosing highly trained experts in the field of home comfort – experts who want to provide you with the best gas furnace products on the market. You can count on your gas furnace installation to provide you with energy-saving comfort for years to come.
    • Long Island Gas Furnace Maintenance When the cold weather returns, you want to be sure the gas furnace in your home is operating effectively and efficiently. At T.F. O’Brien, we know that gas furnace maintenance is vital to the life of your equipment. That’s why we offer complete gas furnace maintenance plans to our customers, and why keeping your gas furnace in top condition is a priority to us. By maintaining your gas furnace, you’ll help it achieve peak performance, helping you save on energy bills and repair costs well into the future.
    • Long Island Gas Furnace Service The gas furnace in your home is one of the most important pieces of equipment you own. You and your family rely on it to keep you warm throughout the winter and to provide you with energy efficient heating. Did you know one of the best ways you can keep your gas furnace operating in top form is by making sure it receives the proper service? T.F. O’Brien can provide you with the gas furnace service to help ensure your system operates smoothly, efficiently and will keep your family warm all winter long.
    • Long Island High-Efficiency Gas Furnaces If you’ve been paying too much for your utilities and you’re still not staying as comfortable as you’d like during the winter months, then it’s time to call T.F. O’Brien for a high efficiency gas furnace. With nearly 80 years in the business of home comfort, we work hard to bring our customers all the latest innovations, including high efficiency gas furnaces that have been built to keep you comfortable – and help you save energy and money by offering up to 98 percent efficiency.

    T.F. O’Brien’s top priority is providing Long Island residents with the best furnace services possible. We take great pride in our workmanship and our full lineup of quality furnace products. We won’t rest until you are completely comfortable – 100 percent satisfaction is our guarantee.

    T.F. O’Brien is the Long Island furnace contractor of choice.

    Trust T.F O’Brien to look out for your best interests and provide exceptional furnace products and services of the highest quality to ensure expected comfort and safety. The entire T.F. O’Brien team wants you to enjoy your experience working with us and to never have to deal with a hassle. We guarantee you’ll be 100 percent satisfied – and you won’t pay until you are.

    When you need a furnace contractor for your Long Island home, T.F. O’Brien is ready to assist you. Just give us a call at 516.488.1800.