Air Conditioning on Long Island, NY

Don’t suffer through another sweltering summer without an energy efficient air conditioning system. 


When the temperature outside is soaring, and you need air conditioning for your Long Island, NY home in a hurry, you’ll be glad to know there is a dependable air conditioning contractor you can turn to for all of your air conditioning needs. Whether you need professional air conditioning service or installation, T.F. O’Brien Cooling & Heating can help.

We’ll make sure your air conditioning system is running perfectly and efficiently, now and for years to come. In fact, we’ve been helping people in Long Island, NY keep their cool all summer long for more than 85 years. Our ultimate goal is to provide the absolute best customer service to our air conditioning customers.

Benefits of an Efficient Air Conditioning System

  • Save money with lower energy bills
  • Lessened likelihood of costly repairs
  • Quieter operation
  • More environmentally friendly
  • Improved sleep, work, and exercise happens in properly cooled environments
  • Decreased chance of dust, dirt, mold, and unpleasant odors coming from your system
  • Improper cooling can increase chances of dehydration, heatstroke, and asthma/allergy attacks

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

    Google Review Scores 4.7/5 Stars

    T.F. O’Brien review scores as of 10/18/22

    happy family plays together in homeAt T.F. O’Brien Cooling & Heating, we provide the best air conditioning services on Long Island, NY by simply employing technicians who are superior craftsmen with great attitudes and work ethics. Our people are passionate about meeting your air conditioning needs with courtesy, professionalism and expertise. But, we don’t just choose the best service people. We provide the training necessary to ensure you get perfect air conditioning service – and you’ll notice the difference when they arrive at your home or business. We’ve been a trusted name in home comfort since 1934 because we always put our customers first.

    Trust T.F. O’Brien when you need air conditioning services for your Long Island, NY home.

    T.F. O’Brien Cooling & Heating works to provide the people of Long Island, NY with the best air conditioning system available. Customer satisfaction is our top priority, and we proudly stand behind our workmanship and our air conditioning products. It is our goal to make you happy, and we’re not satisfied until you are.

    At T.F. O’Brien, we’ll always look out for your best interest and provide exceptional air conditioning products and services of the highest quality to ensure expected comfort and safety. We guarantee that you, the customer, after purchasing our products and services will be 100 percent satisfied – in fact, you won’t pay until you are.

    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 is ready to help you with all the air conditioning services you may need for your Long Island, NY home.

    T.F. O’Brien is a full-service air conditioning contractor, serving people all throughout the Long Island, NY area. Whether you need air conditioning repair, replacement or installation, we can help. We offer a comprehensive listing of air conditioning products and services for all of your needs, including:

    T.F. O'brien's service area map


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