TF O'Brien

Heating & Air Conditioning for Long Island
Call for Service: (516) 488-1800

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Get a Quote

If you are looking for pricing information on service or maintenance, please fill out the form with as many details as possible and we will get back to you within 24hrs. You can always call our office too (516) 488-1800.

Special Offers

Now is the perfect time to upgrade your heating or air conditioning. You'll save up to $3,150 on a new system! This is a great opportunity if you're upgrading. Contact us and we'll show you how much you'll save. Find out more >

Financing Available

If you're looking to upgrade your system, but you have to work within a budget, then let T. F. O'Brien help make things a little easier with our financing options. Read More >

10-Year Warranty

When you choose T.F. O’Brien as your heating and air conditioning contractor, you’re also choosing innovative Carrier products that come with an incredible warranty. Read More >

Emergency Service

When you need help, and you need it fast, you can rely on T. F. O'Brien to be there as soon as possible. Call us when you have an emergency, 27/4 even Holidays or weekends. Read More >