Professional Affiliations

Our qualifications make you comfortable.

Why T.F. O’Brien? We’re:

  • 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


To learn more or schedule us to visit your home, give T. F. O’Brien & Co. a call at  516.488.1800.