If you’re in need of gas furnace maintenance, repair or installation in the Long Island, NY area, T.F. O’Brien Cooling & Heating can help. We’ve been taking care of the gas furnace needs of Long Island, NY residents for more than 80 years, and we want to help you, too. You can count on us to be your reliable, full-service gas furnace contractor.
T.F. O’Brien has been in the business of gas furnaces for more than eight decades for one simple reason – we believe in always putting the needs of our customers first. When you need a gas furnace contractor you can trust, rely on T.F. O’Brien. We employ superior craftsmen with great attitudes and work ethics. Our main objective is meeting your gas furnace needs with courtesy, professionalism and expertise. We’ll work hard to keep your Long Island, NY home warm no matter how frightful the weather outside may be.
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.
"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


Review scores last updated 11/30/20
T.F. O’Brien is a full-service gas furnace contractor in the Long Island, NY area.
T.F. O’Brien is a full-service gas furnace contractor for your Long Island, NY home.

- Gas Furnace Service on Long Island, NY
- Gas Furnace Repair on Long Island, NY
- Gas Furnace Installation on Long Island, NY
- Gas Furnace Maintenance on Long Island, NY
- High-Efficiency Gas Furnaces on Long Island, NY
You can enjoy comfort all winter long in your Long Island, NY home when you choose T.F. O’Brien as your gas furnace contractor. We’re pleased to offer comprehensive furnace maintenance, repair and installation services. We proudly proudly serve all of Long Island, including Nassau County, Suffolk County, and Brooklyn. Just give us a call at 516.488.1800.
Click For Areas We Provide Furnace Services:
We provide gas furnaces on Long Island, including Nassau County, Suffolk County and the following areas:
- Bayside, NY
- Bellerose, NY
- Breezy Point, NY
- Brooklyn, NY
- Brookville, NY
- Douglaston, NY
- East Meadow, NY
- East Williston, NY
- Elmont, NY
- Floral Park, NY
- Flushing, NY
- Franklin Square, NY
- Freeport, NY
- Fresh Meadows, NY
- Garden City, NY
- Glen Cove, NY
- Glen Head, NY
- Great Neck, NY
- Huntington, NY
- Jericho, NY
- Long Island, NY
- Manhasset, NY
- Merrick, NY
- Mineola, NY
- New Hyde Park, NY
- Oceanside, NY
- Oyster Bay, NY
- Park Slope, NY
- Plainview, NY
- Port Washington, NY
- Queens, NY
- Queens Village, NY
- Rockaway Point, NY
- Rockville Centre, NY
- Roslyn, NY
- South Hempstead, NY
- Syosset, NY
- Valley Stream, NY
- West Hempstead, NY
- Westbury, NY
- Whitestone, NY
- Williston Park, NY