Do you live in the Nassau County area and need furnace maintenance, repair or installation? T.F. O’Brien Cooling & Heating can help. We’ve been Nassau County’s furnace contractor of choice for nearly 80 years, and we want to help you, too.
T.F. O’Brien in the business of furnaces in Nassau County for nearly eight decades because, quite simply, we believe we should always put our customers first. When you need a trustworthy furnace contractor, count on T.F. O’Brien. We employ superior craftsmen with great attitudes and work ethics. Our top priority is meeting your furnace needs with courtesy, professionalism and expertise.
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.
"Exceeded Expectations Throughout"
"The installation of a new central a/c unit exceeded expectations throughout the entire process...a true professional team throughout.
Thorough explanation of available options, responsive scheduling, seamless installation in one day by a diligent crew that took great care to be neat and clean, including the complete removal of the old system.
Would highly recommend the T. F. O’Brien team for installation of a new A/C system."
Jim Graf - Satisfied T.F. O'Brien Customer
T.F. O’Brien offers Nassau County residents a complete lineup of furnace services.
- Nassau County Gas Furnace Repair
- Nassau County Gas Furnace Installation
- Nassau County Gas Furnace Maintenance
- Nassau County High-Efficiency Gas Furnaces
- Nassau County Oil Furnace Repair
- Nassau County Oil Furnace Installation
- Nassau County Oil Furnace Maintenance
T.F. O’Brien’s ultimate aim is to offer Nassau County residents the best furnace services possible. We proudly stand behind our workmanship and our entire lineup of furnace products. We will strive to make you happy and comfortable, and we’re not satisfied until you are.