New Air Conditioning Installation on Long Island, NY

There’s no need to suffer when the weather outside on Long Island is sweltering – trust T.F. O’Brien to help you cool off with new air conditioning installation. We’re committed to providing the absolute best customer service and expert advice to Long Island residents – we’ve been doing so for more than 75 years!

T.F. O’Brien will always look out for your best interest and provide exceptional, high-quality, new air conditioning installation to ensure expected comfort and safety. Our entire company strives to make sure you enjoy working with us and never have to deal with a hassle. We guarantee that you, the customer, after purchasing our products and/or services will be 100 percent satisfied – in fact, you won’t pay until you are.

At T.F. O’Brien, we’re pleased to provide Long Islanders with what we believe to be some of the best quality, most efficient, new air conditioning products on the market. If you’re looking for a quiet, attractive and energy efficient air conditioning system, T.F. O’Brien is ready to assist you. T.F. O’Brien proudly serves all of Long Island, including Nassau County, Suffolk County, and Brooklyn. Simply call us at 516.209.3925.

T.F. O’Brien is a full-service air conditioning contractor. In addition to new AC installation on Long Island, NY we also provide:

Click For Areas We Provide Air Conditioning Services:

We provide new air conditioning installation on Long Island, including Nassau County, Suffolk County and the following areas:

We have been customers of T.F. O'Brien for years and we have always been pleased with the quality of work and the professionalism of the staff and servicemen. Thank you so much for all you have done and yes, I would refer your company in the future. God bless you all.

G.D. - New Hyde Park, NY