Ductless Heating & Air Conditioning Contractor in Great Neck NY

If you are looking into ductless air conditioners for your home in Great Neck, NY or want to add cooling to a new room, our team can design the perfect system for your needs.

Ductless units let you add cooling where traditional central AC ducts can’t reach. We offer a variety of ductless systems to match your home’s requirements. They provide efficient, quiet cooling comparable to regular AC units. Ductless systems also work as heaters, ensuring comfort year-round.

We can install ductless systems with different cooling and heating zones to give your whole home customized comfort control.

At T.F O’Brien, your comfort is our top priority. We take pride in delivering outstanding ductless air conditioner services to Great Neck residents. We offer high-quality units and excellent workmanship.

With almost 80 years of experience serving the Great Neck community, we’re ready to help select and install the ideal ductless system for your needs. Let us know if there’s an area lacking ductwork that needs heating or cooling. We’ll provide the perfect ductless solution.

Let us provide the perfect solution for you by being your Long Island ductless air conditioner contractor.

We work hard to make you happy and comfortable, and we’re not satisfied until you are. When you need a ductless air conditioner and heating contractor in Great Neck, NY.

T.F. O’Brien is here to help. T.F. O’Brien proudly serves all of Long Island, including Nassau County, Suffolk County, and Brooklyn. Simply call 516.488.1800 and we’ll be happy to assist you.

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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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    "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

    To Your Success


    Five Stars

    1,767 reviews



    Five Stars

    1,183 reviews

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


    See how Daikin ductless systems can improve your comfort and save you money

    Unlike single speed systems, Daikin ductless inverters offer variable speeds for more efficient home comfort.

    Hear the difference in a Daikin ductless system from T.F. O'Brien

    Our ductless solutions are engineered to operate under 50 decibels. Comfortably enjoy your home with a Daikin ductless system.


    T.F. O’Brien is a comprehensive ductless contractor, offering not only ductless air conditioning and heating solutions in Great Neck, NY, but also providing:

    tfo areas servedT.F. O’Brien is a full-service heating and cooling company. As a ductless air conditioner contractor, we’re pleased to offer:

    Click For Areas We Provide Heating Services: