Generator Installation on Long Island, NY

generatorIf you could benefit from generator installation in your Long Island home, count on T. F. O’Brien. We provide expert generator installation using top-of-the-line equipment. For nearly 80 years, we’ve been helping customers stay comfortable and safe, and generator installation from T.F. O’Brien is no exception.

We offer top-of-the-line automatic standby generators, which back up the circuits you choose during a power outage. They start automatically within seconds of detecting power loss, and run on your home’s existing natural gas or LP fuel supply. You’ll be able to choose a backup option from essential circuit, managed whole-house or complete whole-house coverage.

When you decide it’s time for a generator installation in your Long Island home, trust the experts at T.F. O’Brien. T.F. O’Brien proudly serves all of Long Island, including Nassau County, Suffolk County, and Brooklyn. To learn more, call us at 516.488.1800 and we’ll be happy to help.

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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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"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

72 reviews
72 reviews
229 reviews
229 reviews

T.F. O’Brien is a full-service generator contractor. In addition to generator installation on Long Island, NY we also provide:

tfo areas servedAt T.F. O’Brien, we want our customers to be as comfortable as possible. In addition to generator installation, we provide a full range of comprehensive generator services, including:

Click For Areas We Provide Generator Services: