Generators on Long Island, NY

Need Generator Maintenance or Repair?

T.F. O’Brien Can Help.


If you have a generator installed for your Long Island home, you need a reliable contractor you can count on should you need repair or maintenance service. You’ll get exactly that when you trust T.F. O’Brien to help you. Whether your standby generator needs repair services, or annual maintenance, count on us to keep it running smoothly and effectively.

Chances are, you installed your backup generator to ensure you and your family wouldn’t be without power in the instance of a prolonged outage. You need to know you can get the services you need to keep it running at its best – so it can keep your family safe – year after year. At T.F. O’Brien, our skilled technicians will be happy to deliver the generator maintenance or repair services you need.

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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



    Five Stars


    Five Stars

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

    Learn more about our standby generator maintenance and repair services.

    Generator Maintenance: Just like any other type of major equipment, you should maintain your generator on an annual basis, or if it ran for an extensive period time during a prolonged power outage. T.F. O’Brien’s professional technicians will make sure your generator gets the maintenance it needs.

    Generator Repair: If your generator isn’t working properly, you should know you can count on the experts at T.F. O’Brien to get it back up and running for you. We provide expert generator repair services so you won’t have to worry about weathering a storm without the power you need.

    Our customers are always our top priority – count on us to expertly meet your backup generator maintenance or repair needs.

    At T.F. O’Brien, we’ll look out for your best interests and provide you with expert generator services, 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. If you’d like to learn more about how we can maintain or repair the generator in your home, we’re ready to assist you. Just give us a call at 516.488.1800.