Air Conditioning Systems on Long Island, NY

There’s no need to suffer when the weather outside on Long Island NY is sweltering – trust T.F. O’Brien to help you cool off with a new air conditioning system. 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 85 years!

T.F. O’Brien will always look out for your best interest and provide exceptional, high-quality air conditioning systems of 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 516.488.1800.

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

• Air Conditioning Maintenance on Long Island, NY
• Air Conditioning Repair on Long Island, NY
• Ductless Air Conditioning on Long Island, NY
• Mini-Split Air Conditioning on Long Island, NY
• New Air Conditioning Installation on Long Island, NY
• High Velocity AC on Long Island, NY
• AC Service on Long Island, NY

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