Commercial HVAC Services from T.F. O’Brien

Helping keep commercial clients comfortable since 1934

main street businesses

Commercial HVAC Services You Need from a Company You Trust

When you work with T.F. O’Brien, you’ll get the commercial services you need. Our professional technicians have been thoroughly trained to provide our commercial clients with all of their commercial needs, from new system installation, to maintenance and repair.

better business bureau accredited

You can trust T.F. O’Brien with your company’s heating and cooling needs.

"I would recommend T.F. O'Brien to other business owners in a heartbeat!"

"I heard through multiple people that T.F. O'Brien was the best, and it turns out it was true. They are very professional, provide a great price point, and are honest. I would recommend T.F. O'Brien to other business owners in a heartbeat!"
Jimmy Bassil, The Custom Monogram Shoppe

Trust the experts at T.F. O’Brien
Call: (516) 488-1800

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    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

    Why Choose Us To Service and Maintain Your Business's Heating and Air Conditioning?

    Decades of Experience

    When you’ve been helping businesses with their heating and cooling needs since 1934, you learn a thing or two about commercial HVAC and its unique challenges.

    Whether you have a café, a boutique, or office space, you can count on us to help keep you, your employees, and your customers comfortable. As a result, we have thousands of satisfied customers!

    group shot of the TF O'brien team posing in rows

    Complete Commercial Services

    At T.F. O’Brien, we’re able to help our commercial customers with any and all of their heating and cooling needs. We can provide you with complete system installation, as well as maintenance and repair.

    We’re available for you 24/7, 365 days a year. And, the people in our office are the people in your community – you’ll always speak to a real person when you call us for help.

    Custom-Tailored Solutions

    We know no two businesses are alike, so we take the time to understand your specific needs. From there, we’ll provide you with a commercial HVAC solution that is perfect for your business – always unique to your business, and never cookie-cutter.

    When you choose T.F. O’Brien, you’ll know you’re getting the commercial services you deserve.

    commercial business owners

    Here Are Just a Few of Our Satisfied Commercial Clients

    finish line usa logo

    Hauppauge, NY

    franklin square munson fire dept

    Franklin Square, NY

    club pilates logo

    Garden City, NY
    North Massapequa, NY
    New Hyde Park, NY

    custom monogram shoppe logo

    Franklin Square, NY

    alcott hr logo

    Farmingdale, NY

    european wax center logo

    Fresh Meadows, NY

    Working With T.F. O'Brien

    When you work with T.F. O’Brien, you’ll find that we’re committed to your needs, and to your complete satisfaction.

    We’ll take a look at your current HVAC system, and from there, we’ll make recommendations that will help you, your employees, and your customers stay comfortable – all while focusing on energy-saving solutions. You’ll enjoy professional customer service, and technicians who are at the top of their craft.

    Plus, our commercial HVAC products are made to be durable, effective, and efficient – providing your business with reliable comfort for years to come.

    cafe barista serving coffee

    We know you have a lot of commercial HVAC choices. Let T.F. O’Brien help you.

    Whether you look online or in the Yellow Pages, there are many commercial HVAC companies out there. It can be difficult to know which company is best suited for your needs.

    When you choose T.F. O’Brien, you should know that you are always a priority, and we strive to provide you with the perfect solution, when you need it. You can count on us to provide you with the exceptional commercial products and services you deserve.



    Need commercial solutions for your business? Don’t hesitate – contact us today!

    (516) 488-1800

    Insured, Highly Qualified Professionals

    Superior Craftsmen with Great Attitudes and Work Ethic

    Our people are passionate about sharing their technical expertise to make every day more comfortable in our customers’ homes and businesses.

    • NATE Certified Technicians
    • EPA Certified
    • BPI Heating Certified
    • Professional Engineers (PE)
    • Family Owned since 1934
    • National Association of the Remodeling Industry (NARI) Member
    • Air Conditioning Contractors of America (ACCA) Member
    • A Huntington Township Chamber of Commerce Member
    • A New Hyde Park Chamber of Commerce Member
    North American Technical Excellence Badge
    BPI - Building Performance Institute, Inc. Certified Logo
    Air Conditioning Contractors of America Logo

    Proudly Serving Long Island Since 1934

    Specializing in heating and air conditioning installation, as well as heating repair & ac repair services for 85 years, it’s easy to see why we are the trusted HVAC experts in Long Island. Based in New Hyde Park, NY, we are conveniently located to serve Nassau, West Suffolk, and into Brooklyn and Queens.

    Kerry O'Brien
    Owner, T. F. O'Brien & Co.

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