Ductless Heating & Air Conditioning Repair and Maintenance in Nassau County

Ductless Heating Air Conditioning Repair Maintenance Nassau CountyWhen you need repair or maintenance for your ductless heating and cooling system, turn to the experts at T.F. O’Brien. For close to 80 years, T.F. O’Brien has been providing Nassau County residents with expert repair, service and installation, and we want to help you with your ductless needs, too.

When you choose T.F. O’Brien to perform repair or maintenance on your ductless system, you’re choosing professionals the field of home comfort. We’re qualified to fully inspect, maintain and repair your ductless system, regardless of the make or model, and it is always our goal that you and your family are comfortable. That’s why it’s our guarantee that you’re 100 percent satisfied – and you won’t pay until you are.

When you need ductless maintenance or repair in your Nassau County home, you can count on T.F. O’Brien for courteous, professional service. Simply call us at 516.488.1800 and we’ll be pleased 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

    Google Star Rating 4.6
    412 reviews
    facebook review score five out of five stars
    57 reviews

    T.F. O’Brien review scores as of 7/15/21


    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.

    T.F. O'Brien DifferenceT.F. O'Brien Difference
    T.F. O'Brien DifferenceT.F. O'Brien Difference

    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.

    T.F. O'Brien DifferenceT.F. O'Brien Difference

    T.F. O’Brien is a full-service ductless contractor. In addition to ductless heating & AC repair and maintenance in Nassau County we also provide: