New Air Conditioning Installation on Long Island, NY

Your older air conditioning system is eating up energy and dollars. New AC systems are more efficient and less expensive.

New air conditioner
There’s no need to suffer when the weather outside on Long Island is sweltering – trust T.F. O’Brien to help you cool off with new air conditioning installation. We’re committed to providing the absolute best customer service and expert advice to Long Island residents – we’ve been doing so for more than 85 years!

T.F. O’Brien will always look out for your best interest and provide exceptional, high-quality, new air conditioning installation to ensure expected comfort and safety. Our entire company strives to make sure you enjoy working with us and never have to deal with a hassle. We guarantee that you, the customer, after purchasing our products and/or services will be 100 percent satisfied – in fact, you won’t pay until you are.

 At T.F. O’Brien, we’re pleased to provide Long Islanders with what we believe to be some of the best quality, most efficient, new air conditioning products on the market. If you’re looking for a quiet, attractive and energy efficient air conditioning system, T.F. O’Brien is ready to assist you. T.F. O’Brien proudly serves all of Long Island, including Nassau County, Suffolk County, and Brooklyn. Simply call us at 516.488.1800.

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.

    Please briefly describe your HVAC needs:

    We won't share your contact info or spam your inbox.

    "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


    Benefits of a New 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
    • Improper cooling can increase chances of dehydration, heatstroke, and asthma/allergy attacks
    • Decreased chance of dust, dirt, mold, and unpleasant odors coming from your system
    • A variety of options specific to your home (Ductless, Mini-Split, Traditional HVAC, Heat Pumps)
    • Even and consistent home cooling
    • Protects furniture and electronics

    T.F. O’Brien is a full-service air conditioning contractor. In addition to new AC installation on Long Island, NY we also provide:

    Click For Areas We Provide Air Conditioning Services: