Bryn Mawr’s Top Heating Company

Since 1955, O'Brien Heating & Air Conditioning has been furnishing Bryn Mawr and the surrounding areas with expert heating services. When snow flies and temperatures drop past freezing in Montgomery County, our heating company is dedicated to keeping customers warm. Our professional technicians perform high-quality services. We also offer a wealth of information on our blog as a resource where customers can get many answers to their furnace questions. We’re proud to be the furnace contractor of choice for many residents in the area.

Why we stand out:
  • BBB accreditation with A+ rating
  • Over 65 years of experience
  • NATE-certified technicians
  • Angie’s List certification