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Commercial HVAC Services on Long Island, NY

carrier air conditioning unitBusinesses and organizations have special needs when it comes to cooling and heating. If your Long Island, NY business or organization needs commercial HVAC services, trust the experts at T.F. O’Brien to help. Since 1934, our family has been helping commercial customers stay comfortable and minimize downtime. We want to help your business or organization as well.

Commercial HVAC Solutions

Serving Long Island businesses, T.F. O’Brien doesn’t just install commercial HVAC systems; we engineer them specifically for your unique needs. When you request a proposal, our team of certified professionals conducts a meticulous analysis of your Long Island commercial property. We consider crucial factors like square footage, occupancy, usage patterns, and, importantly, the specific challenges of Long Island’s climate – from those sweltering summer days to the biting winter winds. This comprehensive approach allows us to design and install a tailored HVAC system that:

  • Optimizes Life Cycle Economy for Long Island Businesses: We prioritize long-term value by selecting robust heating and cooling equipment designed for durability and low operating costs, crucial for managing overhead in the competitive Long Island market.
  • Prioritizes Energy Efficiency on Long Island: Leveraging cutting-edge technology and best practices, we minimize your building’s energy consumption, resulting in significant utility bill savings. This is particularly relevant given Long Island’s fluctuating energy costs.
  • Delivers Optimal Comfort Across Long Island’s Seasons: Our systems ensure a consistently comfortable and productive environment for your employees and customers, regardless of the season. This is vital for a thriving Long Island businesses, especially during those notoriously hot and humid summer days when a reliable, high-capacity HVAC system is essential.

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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    What do our customers think of us?

    better business bureau accredited

    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

    T.F. O’Brien proudly offers expert installation, repair and maintenance services to our commercial HVAC clients – all completed by our skilled commercial HVAC technicians. They’ll be able to quickly diagnose and troubleshoot any repairs your system might need. Not to mention, they’ll help you choose the best most efficient commercial HVAC products for your Long Island, NY business or organization, as well as your budget.

    Count on T.F. O’Brien for the commercial HVAC services you need for your Long Island, NY business or organization.

    T.F. O’Brien is a full-service commercial HVAC contractor. In addition to commercial HVAC on Long Island, NY we also provide:

    We want to make sure you, your employees and your clients enjoy the best comfort possible, no matter what the weather outside is like. That’s why we’re pleased to offer our Long Island, NY commercial clients the following services:

    tfo areas served

    In addition to providing comprehensive commercial HVAC services to Long Island, NY businesses and organizations, T.F. O’Brien also provides services to:

    • Nassau County
    • Brooklyn
    • Queens
    • Suffolk County

    For the best commercial HVAC services for your Long Island, NY business or organization, count on T.F. O’Brien to meet your needs. We are pleased to serve all of Long Island, including Nassau County, Suffolk County, and Brooklyn. Just give us a call at 516.488.1800 or fill out the convenient contact form below, and we’ll be happy to assist you.