Quality Heating Services on Long Island, NY

4.9 ★ | 1,900+ Google reviews | 25,000 customers | Since 1934

Are you looking for a full-service heating contractor for your Long Island, NY home? T.F. O'Brien Cooling & Heating can help. We’ve been providing expert heating system service, maintenance and installation to Long Island residents for more than 90 years, and we want to help you with your heating needs as well. How have we been in business for that long? Simply put, we always put the needs of our customers first. For reliable, professional heating services, you can count on T.F. O'Brien.

Expert Heating Services From T.F. O'Brien

We proudly employ superior craftsmen with great attitudes and work ethic. Our passion is meeting your heating needs with courtesy, professionalism, and expertise. We make your comfort our top priority, and we work to provide you with the best heating system possible. We proudly stand behind our workmanship and all of our heating products, and we strive to make you comfortable and happy in your Long Island, NY home, and we’re not satisfied until you are.

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Experience the cooling difference

Benefits of an Efficient Heating System:

• Save money on energy bills due to less energy waste
• Lessened likelihood of costly repairs
• Improved indoor air quality

"Did you know that HVAC systems account for nearly half of your home’s energy use? Upgrading to a high-efficiency system can significantly lower your energy bills."

Nikola Jaric
Service Technician

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Get Started with an Estimate

Join 25,000+ Happy Homeowners!

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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    "Did you know that HVAC systems account for nearly half of your home’s energy use? Upgrading to a high-efficiency system can significantly lower your energy bills."

    For heating system services for your Long Island, NY, home, turn to the experts at T.F. O'Brien

    T.F. O'Brien is a full-service heating contractor, offering the best heating products and services throughout the Long Island, NY region. We take great pride in our comprehensive listing of heating products and services.

    When you choose to work with T.F. O'Brien, you’re choosing a company with decades of experience keeping people in the Long Island, NY area comfortable and warm all winter long. We are proud of our skilled team of NATE certified technicians, who work hard to make sure any job they complete for you is done to perfection. You can count on them to provide you with top of the line heating repair, replacement, and maintenance services for your Long Island, NY home.

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    We Can Help With All Types of Heating Systems

     It is the aim of our entire company that you enjoy your experience when working with us. Our guarantee is that you’ll be 100% satisfied with the heating repairs, maintenance service, or equipment installation we perform in your Long Island, NY home – and you won’t pay until you are satisfied.

    We work on:

    • Gas furnaces: A gas furnace heats air and distributes it throughout your home using a ducted system.
    • Boilers: Boilers heat water or a mixture of water and antifreeze and then circulate it through radiators or baseboards to warm your home.
    • Ductless minisplit: Ductless minisplits are individual units that heat and cool specific rooms without the need for ductwork.
    • Heat pumps: Heat pumps transfer heat from the outside air to your home in the winter and vice versa in the summer.

    Don’t let another cold Long Island, NY winter leave you feeling the chill – count on us to help you stay warm no matter how cold the weather outside may get. When you need a heating contractor in Long Island, T.F. O'Brien is ready to assist you. T.F. O'Brien proudly serves all of Long Island, including Nassau CountySuffolk County, and Brooklyn. Just give us a call at 516.488.1800.


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