Standby Backup Generator on Long Island, NY

generatorWhen you’re looking for a top-quality standby backup generator, then trust T.F. O’Brien. We offer generators from a name you can rely on. These standby backup generators provide utility-quality power, quiet operation and a tough exterior, so you know you can rely on them to weather the storm.

When you choose a standby backup generator, you’ll enjoy automatic standby protection that backs up the circuits you choose during a power outage. The standby backup generator starts automatically within seconds of detecting power loss, and runs on your home’s natural gas or LP fuel supply. What’s more, you’ll be able to choose your backup option – essential circuit, managed whole-house or complete whole-house coverage.

T.F. O’Brien proudly serves all of Long Island, including Nassau County, Suffolk County, and Brooklyn. To find out more about the standby backup generator, and how owning one can benefit you and your family, call T.F. O’Brien today at 516.488.1800. We’ll be more than happy to assist 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

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72 reviews
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229 reviews

T.F. O’Brien is a full-service generator contractor. In addition to standby backup generators 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 standby backup generators, we also provide other generator services, including:

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