Ductless Mini-Split Repair & Maintenance in Suffolk County

Ductless Mini Split Repair Maintenance Suffolk CountyDo you need repair or maintenance for your ductless mini-split? Call the experts at T.F. O’Brien to help. For nearly 80 years, T.F. O’Brien has been providing expert repair and maintenance in Suffolk County, and we want to help you with your ductless mini-split.

We are 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, so that we can better serve you. 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 Suffolk County home, trust T.F. O’Brien for courteous, professional service. Just 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.


    We also offer emergency 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.

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    T.F. O’Brien is a full-service ductless contractor. In addition to ductless mini-split repair and maintenance in Suffolk County, we also provide: