Furnace Doctors Inc. is uniquely qualified in the industry. We are family-owned and operated with the same owner for over 40 years. Furnace Doctors Inc. is a member in good standing of several professional organizations including the following: A rated at the Better Business Bureau Air Conditioning Contractors of America (ACCA) The Refrigeration Service Engineers Society (RSES) The Master Builders Association of America (MBAA) and American Society of Heating/Refrigeration and Air Conditioning Engineers (ASHRAE). Sheet Metal Air Conditioning Association (SMACNA)