Brennan Oil & Heating Co., Inc. is a full-service mechanical contracting firm with 40 years of experience. Our 25 full-service employees and fleet of service vehicles annually complete a wide range of mechanical repairs, installations and services at both private and public facilities.

Our extensive experience includes all aspects of the HVAC industry from cleaning and service to complete heating and cooling installations. Our clients include private residences, school departments, public housing authorities, colleges and universities and central power plants. Brennan Oil & Heating Co., Inc. and its trained professionals stand ready to assist in solving all your heating and cooling concerns. Brennan Oil & Heating Co., Inc. personnel hold licenses as mechanical contractors, heating system contractors, oil burner technicians, pipe fitters, plumbers, refrigeration technicians and certified welders in Rhode Island, Massachusetts and Connecticut. Our services include: