Ductless Heating & Air Conditioning Contractor in Greenlawn NY

We’ve been helping our neighbors in Green Lawn, NY, stay comfortable for nearly eight decades, and we want to help you with your ductless air conditioner needs. Is there an area of your home that could benefit from climate control, but ductwork is either impossible or impractical? Then you might want to consider making T.F. O’Brien your ductless air conditioner contractor.

Ductless air conditioners bring the cooling comfort of a traditional central AC system to specific rooms or living spaces in your Greenlawn, NY, home, eliminating the need for extra ductwork. Whether you’re contemplating a ductless air conditioner for your residence or a new addition, our team, specializing in ductless solutions, will expertly guide you in selecting from a variety of systems tailored to your specific home comfort needs. These systems offer the efficiency, aesthetics, and comfort associated with traditional cooling systems while presenting a quieter and more efficient alternative to the standard window air conditioning unit.

Your comfort always comes first with T.F. O’Brien. We take pride in providing people in Greenlawn, NY, with our high-quality ductless air conditioner contracting. We’re proud of our craftsmanship and our quality lineup of ductless air conditioners.

We work hard to make you happy and comfortable, and we’re not satisfied until you are. When you need a ductless air conditioner contractor in Greenlawn, 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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    "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 full-service ductless contractor. In addition to ductless air conditioning in Greenlawn, NY, we also provide:

    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: