Roslyn Nassau neighborhood

Air Conditioning Contractor in Oyster Bay NY

Discover the T.F. O’Brien advantage with our team of seasoned and skilled air conditioning contractors, ensuring your home in Oyster Bay, NY, stays comfortably cool amid the scorching Long Island summers of July and August. Our proficient HVAC technicians are ready to transform your residence into a refreshing sanctuary for the entire summer season. Bid farewell to air conditioning challenges with our expert assistance: Leveraging our extensive experience, we guarantee that your system operates seamlessly, delivering steadfast and reliable cooling that withstands even the most intense heatwaves.

Let Us Help You

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

Our skilled technicians, specializing in HVAC services, ensure a cool and inviting home even during the heat of a Long Island summer. We prioritize understanding your specific needs for a comfortable living space and recommend the perfect AC system tailored to fit your home’s specifications, budget, and energy goals. Additionally, we help you explore available rebates and financing options to maximize the affordability of your investment in a cooling system. Bid farewell to sweltering days and restless nights with T.F. O’Brien’s exceptional air conditioning services in Oyster Bay, 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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    Google

    4.8

    Five Stars

    1,538 reviews

    Facebook

    4.7

    Five Stars

    63 reviews

    T.F. O’Brien review scores as of 3/13/25

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

    At T.F. O’Brien Cooling & Heating, we place a strong emphasis on the continuous training and education of our team. Our technicians undergo specialized professional development to skillfully handle air conditioning services for a variety of units, including the top-quality brands we offer. Committed to professionalism and efficiency, they diligently address your needs and work towards ensuring your complete satisfaction. Customer happiness is our top priority, and we won’t send an invoice until you are fully satisfied with the air conditioning services we provide.

    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 County, Suffolk 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 Oyster Bay, NY, customers air conditioning service and more.

    Choose T.F. O’Brien Cooling & Heating for your air conditioning needs in Oyster Bay, NY, and enjoy the benefits of a full-service HVAC contractor providing a wide range of high-quality air conditioning products and services. From your first contact with our office, your satisfaction becomes our top priority in every aspect of our service. Our experienced technicians offer 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:

    We provide air conditioning on Long Island, including Nassau County, Suffolk County and the following areas: