At O'Brien Heating & Air Conditioning, we excel at delivering superior home HVAC services in Havertown, PA. We started in 1955 and have since grown into a trusted BBB-accredited Lennox Premier Dealer.

Our NATE-certified team can work with any heating or cooling make or model. Count on us to provide fast and efficient repairs, tune-ups, and installation services. We always use the best parts and systems to ensure your family’s safety and complete satisfaction.