O'Callaghan Heating & Air Conditioning

For over 25 years, O'Callaghan Heating & Air Conditioning has provided reliable HVAC service to Atlanta. Our certified technicians deliver expert heating and air conditioning repair, maintenance, and installation. We service all brands and offer 24/7 emergency repairs to restore your comfort quickly. Protect your system with our planned maintenance agreements and improve your indoor air quality with our advanced filtration and purification solutions. We also offer comprehensive attic insulation services to enhance home efficiency. Trust our local family-owned business at 3458 Buffington Center for honest, upfront pricing and quality workmanship on every job.