O’Callaghan Heating and Air Conditioning is operated by Joseph Hotard who has over 40 years of experience in the heating and air conditioning trade.  The company has been serving the greater Atlanta area for five decades with high quality, affordable and reliable service. In the Spring of 2007 purchased the Randall Brothers HVAC Division. That division served the Atlanta Area since 1885!

• All workmanship is fully guaranteed for life
• Our technicians are NATE certified
• We feature flat rate pricing so you know how much you’ll be spending up front
• Need Financing? Financing provided by Wells Fargo Financial National Bank

O’Callaghan Heating and Air is proud to be a certified dealer for several high quality lines of components and equipment.  We have found that Quality equipment installed properly is the best value for your money. Our certified Comfort Advisor will be happy to come to your house or place of Business and design the proper system for your application and needs.

• Trane
• Amana
• Carrier
  
• Accessories include high efficiency air filters, humidifiers, duct cleaning, zone controls, programmable thermostats and whole house dehumidifiers.
  
• Certified installers of the Carrier Infinity system with Puron, the environmentally friendly refrigerant.
  
• A Trane Comfort Specialist Company.  Only the top 10% of Trane Dealers ever qualify to become a Trane Comfort Specialist.