When you’re looking for an HVAC company in Glen Mills, PA, and the surrounding area that combines old-fashioned service with state-of-the-art technology, O'Brien Heating & Air Conditioning should come immediately to mind. We have proudly served Concord Township since 1955. Our NATE-certified technicians receive training on heating and cooling installation, repairs, maintenance, and replacement.

With summer temperatures reaching the 90s in Glen Mills, you need a reliable, local HVAC contractor to call. We are a Lennox Premier Dealer and hold the SunSource Solar Ready Dealer Designation. At O'Brien Heating & Air Conditioning, we care a lot about our reputation—and even more about customer service! Additionally, we work diligently to maintain an A+ rating with the Better Business Bureau.

Our heating and air company is recognized for:
  • NATE-certified technicians
  • Dave Lennox Premier Dealer
  • A+ Rating from the BBB
  • Angi’s List certification