Ductless Mini-Split Repair & Maintenance in Long Island, NY

Ductless Air Conditioning

Count on the experts at T.F. O'Brien to help with ductless repairs and maintenance.

Do you need repair or maintenance for your ductless mini-split? Then count on the experts at T.F. O'Brien to help. For nearly 80 years, T.F. O'Brien has been providing expert repair and maintenance, and we want to help you with your ductless mini-split as well. By choosing T.F. O'Brien to perform repair or maintenance on your ductless mini-split, you’ve selected a company staffed by professionals dedicated to home comfort. We’re qualified to inspect, maintain and repair your ductless mini-split, regardless of the make or model.

We want you and your family to be comfortable above all else. We guarantee that you’ll be 100% satisfied with the work we perform for you, and you won’t pay until you are. If you need ductless mini-split repair and maintenance in your Long Island home, trust T.F. O'Brien for courteous, professional service. T.F. O'Brien proudly serves all of Long Island, including Nassau County, Suffolk County, and Brooklyn. Just call 516.488.1800 and we’ll be happy to assist you.

Why Have Your Ductless System Maintained and Repaired?

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Improved Air Quality
From Cleaning Dirt and Debris

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Save Money
With Lower Energy Bills

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Extended Lifespan
From Timely Repairs

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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    "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

    EPA icon
    85+ years of service



    Five Stars


    Five Stars

    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.


    We also offer emergency repair service, seven days a week, including holidays.

    T.F. O’Brien & Co is proud to provide exceptional maintenance and repair services, including emergency service, for residential and commercial customers in Nassau and Suffolk Counties. Get your system back up and running, promptly and professionally.

    T.F. O'Brien services ductless mini-split repair and maintenance on Long Island, NY

    tfo areas servedT.F. O'Brien is a full-service heating and cooling company. In addition to ductless mini-split repair and maintenance, we’re also pleased to provide:

    Click For Areas We Provide Ductless Services: