Roslyn Nassau neighborhood

Nassau County Heating Contractor

carrier heatingAre you looking for a full-service heating contractor in Nassau County? T.F. O’Brien Cooling & Heating can help. We’ve been providing expert heating system service, maintenance and installation to residents in the Nassau County area for nearly 80 years, and we want to help you, too.

How have we been in business for close to eight decades? Simply put, we always put the needs of our customers first. When you need a heating contractor you can trust, count on T.F. O’Brien. We employ superior craftsmen with great attitudes and work ethic. Our passion is meeting your heating needs with courtesy, professionalism and expertise.

Get Started with an Estimate

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

    4.9

    Five Stars

    1,767 reviews

    Google

    4.8

    Five Stars

    1,376 reviews

    T.F. O’Brien review scores as of 10/4/24

    At T.F. O’Brien, we offer Nassau County residents a full range of heating services.

    tfo areas servedAt T.F. O’Brien, our priority is your comfort. That’s why we offer a comprehensive listing of heating services to meet all of your needs, including:

    Our goal is to provide the residents of Nassau County with the best heating system possible. We proudly stand behind our workmanship and all of our heating products. Our goal is to make you happy and comfortable, and we’re not satisfied until you are.

    Our customers are always our top priority – count on us to expertly meet your heating needs.

    At T.F. O’Brien, we’ll look out for your best interests and provide exceptional heating products and services of the highest quality to ensure expected comfort and safety. It is the aim of our entire company that you enjoy your experience working with us and never have to deal with a hassle. Our guarantee is that you’ll be 100 percent satisfied – and you won’t pay until you are.
    When you need a heating contractor in Nassau County, T.F. O’Brien is ready to assist you. Just give us a call at 516.488.1800.