Air Conditioning Contractor in Smithtown NY

At T.F. O’Brien Cooling & Heating, our team dedicated to serving the Smithtown community with their air conditioning needs comprises technicians who undergo continuous training and education to better serve our Long Island customers. With their field experience and specialized professional development, they can adeptly handle air conditioning services for various units, including the top-quality brands we offer. Committed to professionalism and efficiency, they diligently address your needs to ensure your complete satisfaction.Customer happiness is our ultimate goal, and we won’t issue an invoice until you are fully satisfied with the air conditioning services we provide.

Escape the summer heat at your home in Smithtown, NY, with AC Service

Our skilled technicians, specializing in HVAC services, ensure that your home remains cool and welcoming even during the sweltering heat of a Long Island summer. We prioritize understanding your unique needs for a comfortable living space and recommend the ideal AC system tailored to match your home’s specifications, budget, and energy goals. Additionally, we assist you in exploring potential rebates and financing options to make your investment in a cooling system more cost-effective. Bid farewell to sweltering days and restless nights with T.F. O’Brien’s exceptional air conditioning services in Smithtown, NY. Experience the T.F. O’Brien difference today:

  • Expertise in the Field: Our certified technicians are amiable, efficient, and dedicated to ensuring your AC operates seamlessly.
  • Comfort designed for your lifestyle: We prioritize understanding your specific needs and recommending the perfect AC solution tailored to you.
  • Consistent attention to quality products and service: From installation and maintenance to repairs and upgrades, we manage all your AC needs with skill and accuracy.

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

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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

    When you’re in need of air conditioning service in Smithtown, NY, trust T.F. O’Brien to deliver top-notch service.

    Our dedicated team of experienced and skilled air conditioning contractors at T.F. O’Brien is devoted to keeping your home in Smithtown, NY comfortably cool throughout the sweltering Long Island summers of July and August. With their expertise, our HVAC technicians stand ready to transform your residence into a refreshing sanctuary for the entire summer season. Say farewell to air conditioning challenges with our expert assistance: Leveraging our extensive experience, we are committed to ensuring that your air conditioning system operates seamlessly, delivering steadfast and reliable cooling that withstands even the most intense heatwaves.

    Don’t suffer through another sweltering summer – choose the professionals at T.F. O’Brien Cooling & Heating to help with all of your air conditioning needs. T.F. O’Brien proudly serves all of Long Island, including Nassau CountySuffolk County, and Brooklyn. When you need an air conditioning contractor for your Long Island, NY home, T.F. O’Brien is ready to assist you. Simply call us at 516.488.1800 and one of our friendly representatives will be more than happy to help you.

    T. F. O’Brien proudly offers Smithtown, NY, customers air conditioning service and more.

    Opt for T.F. O’Brien Cooling & Heating for complete air conditioning solutions in Smithtown, NY, and reap the advantages of a full-service HVAC contractor offering a diverse array of top-quality air conditioning products and services. From your initial contact with our office, your satisfaction takes precedence in every aspect of our service. Our seasoned technicians provide thorough explanations of the service procedures for your air conditioning system, fostering transparency and instilling confidence throughout your interactions with us. In addition to our expert air conditioning services, T.F. O’Brien provides a range of supplementary products and services, including:

    T.F. O'Brien service area map

    Click For Areas We Provide Air Conditioning Services: