Furnaces on Long Island, NY | Full-Service Furnace Contractor


You depend on the furnace in your Long Island, NY home to keep you and your family comfortable all winter long. That’s why it’s good to know you can depend on T.F. O’Brien Cooling & Heating to help you with any of your furnace needs.

At T.F. O’Brien Cooling & Heating, we think we’ve been in the business of furnaces for such a long time because, quite simply, we firmly believe that we should always put our customers first. We employ superior craftsmen with great attitudes and work ethics. Our top priority is meeting the furnace needs of your Long Island, NY home 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.

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What do our customers think of us?

Out of 72 reviews
Out of 72 reviews
Out of 222 reviews
Out of 222 reviews

The New A/C is Wonderful

Excellent service from beginning to end. The new A/C is wonderful.

Manhasset, NY

Installation was First Rate and Professional

Tom did a great job. Got 5 other estimates: one did not respond, another sent a proposal via email which I could either accept or decline with no questions entertained. We had a special situation and only Tom was able to understand it and figure out a way to do the job. We're very happy with our new Daikin unit-operates exactly like Tom said it would. The installation was first rate and professional as well. Would certainly recommend.

Locust Valley, NY

Very Happy with Your Work

Very happy with your work, just very happy I haven't had to use it yet due to cool weather.

Baldwin, NY

Installed as Promised in a Very Timely Fashion

The customer service has been excellent. It's been extremely easy to schedule the consultation, installation and follow-up service. Everything was delivered and installed as promised in a very timely fashion. I've been extremely happy with the level of communication from your company. When I'm ready to have the next phase of my HVAC system installed I'm definitely coming back!

Douglaston, NY

Very Pleased

Very pleased to date!

Roslyn Heights, NY

Always a Pleasure

Always a pleasure.

New Hyde Park, NY

Excellent Job / Excellent Service

Excellent job/excellent service as always. Thank you.

New Hyde Park, NY

Professional, Courteous, and Likeable

Professional, courteous, and likeable.

Flushing, NY

Outstanding Service

Outstanding service.

New Hyde Park, NY

For the most complete listing of furnace services in Long Island, NY, choose T.F. O’Brien.

tfo areas servedWe are a full-service furnace contractor. For your convenience, we offer a comprehensive listing of furnace services to meet all of your needs. These services include:

You can trust T.F. O’Brien to be focused on our Long Island, NY customers and their furnace needs.

You can enjoy comfort all winter long in your Long Island, NY home when you choose T.F. O’Brien for all your furnace needs. We’re pleased to offer comprehensive furnace maintenance, repair and installation services. We proudly serve all of Long Island, including Nassau CountySuffolk County, and Brooklyn. Give us a call at 516.488.1800 and we will be more than happy to help you.

Click For Areas We Provide Furnace Services: