Gas Boiler Contractor in Nassau County, NY

Are you in need of boiler maintenance, repair or installation in your Nassau County home? Then turn to the experts at T.F. O’Brien Cooling & Heating – Nassau County’s boiler contractor of choice. We’ll keep your boiler running perfectly this winter so that you and your family stay warm and toasty. With nearly 80 years of experience in the home comfort field, T.F. O’Brien has the experience to make sure your boiler is operating at its best and keep it running smoothly, all year long.

All of us at T.F. O’Brien take pride in providing Nassau County residents with premier boiler repair, maintenance and installation services, and we believe we offer our customers the best craftsmanship – and the best products – available. Our technicians are highly skilled and trained to maintain and repair any make or model of boiler on the market. What’s more, we guarantee that you’ll be 100 percent satisfied with our boiler services – you won’t pay until you are.

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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"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 offers customers in Nassau County a comprehensive listing of boiler services.

tfo areas servedWhen you work with T.F. O’Brien, your comfort always comes first. We believe you’ll be pleased with the variety of boiler services we offer our Nassau County customers, including:

T.F. O’Brien takes pride in providing Nassau County residents with top-of-the-line boiler services. We take great pride in our craftsmanship and our quality lineup of boiler products. We’ll work hard to make you happy and comfortable, and we’re not satisfied until you are.

Trust T.F. O’Brien to be your Nassau County boiler contractor.

At T.F O’Brien, we strive to provide Nassau County residents with exceptional boiler products and services of the highest quality to ensure expected comfort and safety. The T.F. O’Brien team works hard to ensure that you enjoy your experience working with us and to never have to deal with a hassle. Our guarantee is that you’ll be 100 percent satisfied with the work we do for you – in fact; you won’t pay until you are.

When you need a boiler contractor in Nassau County, turn to the experts at T.F. O’Brien. Just give us a call at 516.488.1800.