O'Callaghan Heating & Air Conditioning

O'Callaghan Heating & Air Conditioning is a family owned and operated company in Atlanta, GA. They provide full service heating, air conditioning, and mechanical contracting services for both residential and commercial customers. The company is known for its quality service, maintenance, repair, and installation. Customers have praised the technicians for being on time, thorough, and knowledgeable. O'Callaghan also receives positive feedback for its excellent customer service from initial phone contact to the completion of the service call.