"I was completely satisfied with the professionalism, quality, and courteousness of your service. I will continue to call on and recommend you all future AC/Heating needs. Thank You."
- T.F., Baldwin, NY
Insured, Highly Qualified Professionals
Superior Craftsmen with Great Attitudes and Work Ethic
Our people are passionate about sharing their technical expertise to make every day more comfortable in our customers’ homes and businesses.
- NATE Certified Technicians
- EPA Certified
- BPI Heating Certified
- Professional Engineers (PE)
- Family Owned since 1934
- National Association of the Remodeling Industry (NARI) Member
- Air Conditioning Contractors of America (ACCA) Member
- A Huntington Township Chamber of Commerce Member
- A New Hyde Park Chamber of Commerce Member
Pay Nothing Until You Are Completely Satisfied
You can expect the following from our techs when they do work for you:
- They will care for your home and complete the job with speed and precision.
- They will not wear shoes on your carpets.
- They will clean up when they are finished and take personal responsibility for your satisfaction.
- They will not swear in your home.
- They will not smoke in your home.
- They are drug-free.
If you’re not completely happy when our technicians are done with the job, you won’t pay until you are totally satisfied with their work. The next time you need heating and cooling work done, call T.F. O’Brien and experience the difference.
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, subject to credit approval.
Proudly Serving Long Island Since 1934
Specializing in heating and air conditioning installation, as well as heating repair & ac repair services for 85 years, it’s easy to see why we are the trusted HVAC experts in Long Island. Based in New Hyde Park, NY, we are conveniently located to serve Nassau, West Suffolk, and into Brooklyn and Queens.