Bryn Mawr Heating and Cooling Company

Since 1955, O'Brien Heating & Air Conditioning has been a locally owned and operated AC company ready for any cooling job in Bryn Mawr, PA. When summers get hot in Bryn Mawr, having a dependable air conditioner in your home is important. Our locally owned and operated company serves all of the Main Line, including Montgomery County and Delaware County. We’re a BBB-accredited business that’s able to maintain an A+ rating. Our commitment to excellence has earned us great reviews on Angie’s List. We carry a line of quality Lennox products and are proud to be a Lennox Premier Dealer. With our experience, we can service all makes and models.

Customers trust us to:
  • Respond to their requests quickly
  • Offer comprehensive services
  • Achieve excellent results
  • Charge reasonable rates

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