Huntington Harbor Lighthouse on Long Island, New York

Heating Systems in Suffolk County

Image of a furnace with white background.If the time has come for a new heating system in your Suffolk County home, then you should know you can trust T. F. O’Brien to help. We’re pleased to offer our customers the best quality, most efficient heating systems available. You’ll find that our heating systems offer long-lasting durability and high efficiency, and that will help you save both energy and money on your utility bills once the cold winter weather rolls in.

At T.F. O’Brien, we’re committed to providing you with the best heating system for your Suffolk County home that money can buy. We believe in providing you with incredible service, and everyone in our company strives to ensure you enjoy working with us and never have to deal with a hassle. Our guarantee to you is that you’ll be completely satisfied with our products and services – and you won’t pay until you are.

Get Started with an Estimate

Join 25,000+ Happy Homeowners!

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.









    Consent to Messaging

    By submitting this form and signing up for texts, you agree to receive informational messages (appointment reminders, account notifications, etc.) from T.F. O’Brien at the number provided. Consent is not a condition of purchase. Msg & data rates may apply. Msg frequency varies. Unsubscribe at any time by replying STOP or clicking the unsubscribe link (where available) and no further messages will be sent. Reply HELP for help. Information will not be shared with third parties for marketing or promotional purposes. Privacy Policy

    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

    EPA icon
    better business bureaua logo

    90 years of service badge with t.f. o'brien logo

    Choose T. F. O’Brien for the heating system you need for your Suffolk County home.

    When you choose T.F. O’Brien to install a heating system in your Suffolk County home, you’ll be working with a full-service heating contractor. We can help with any heating product or service you might need. Besides heating systems, we are proud to provide you with:

    When you need a heating system for your Suffolk County home, T.F. O’Brien is ready to help. We proudly serve all of Long Island, including Nassau County, Suffolk County and Brooklyn. Simply give us a call at 516.488.1800.