O'Callaghan Heating & Air Conditioning
O'Callaghan Heating & Air Conditioning is a family owned and locally owned HVAC contractor in Atlanta, Georgia. The company has been family owned and operated for three generations and has served customers for over 40 years. Its licensed and insured team, with professionally trained and certified field technicians, handles heating, air conditioning, maintenance, installation and replacement, ductless heating and cooling, indoor air quality, and commercial HVAC work for both residential and commercial properties. Service covers Metro Atlanta, including Clayton, Cobb, Coweta, Dekalb, Douglas, Fayette, Fulton, Gwinnett, and Henry counties. Pricing is upfront and straightforward with no hidden fees, financing options are available, and 24/7 emergency service is available.
Services
Heating
Furnace installation, upgrades to a new or more efficient furnace, and furnace repair and maintenance.
Air conditioning
Installation of new cooling systems, upgrades to more efficient systems, air handlers, and repair and maintenance of existing systems.
Maintenance
Regular maintenance on heating and cooling systems, including Energy Savings Agreement tune-ups.
Installation & replacement
Heating units, air conditioning, additional cooling, home humidifiers, whole-house air cleaners, and full HVAC systems, including custom HVAC design.
Ductless heating & cooling
Ductless systems for smaller spaces, isolated areas, additions, garages, bonus rooms, and homes without existing ductwork.
Why choose us?
Location & hours
3458 Buffington Center, Atlanta, GA 30349, USA
FAQs
What HVAC services do you offer?
We offer heating, air conditioning, maintenance, installation and replacement, ductless heating and cooling, indoor air quality, and commercial HVAC services for both residential and commercial properties.
Do you offer emergency service?
Yes. 24/7 emergency service is available, so you can reach us outside of regular office hours when a heating or cooling system fails.
What areas do you serve?
We proudly serve all of Metro Atlanta, including Clayton, Cobb, Coweta, Dekalb, Douglas, Fayette, Fulton, Gwinnett, and Henry counties.
Are you licensed and insured?
Yes. O'Callaghan Heating & Air Conditioning is fully licensed and insured, and our field technicians are professionally trained and certified.
Do you charge for estimates?
We offer a free system replacement estimate, along with free consultations on upgrades and new systems. Pricing is upfront and straightforward with no hidden fees.
Do you offer financing?
Yes. Quick and convenient financing options are available for customers who would rather not pay for a project all at once.
What is an Energy Savings Agreement?
An Energy Savings Agreement, or ESA, is our maintenance plan. ESA customers receive a 15% discount on repairs, priority service, appointment reminders, a comprehensive tune-up, and recommendations on their equipment.
Do you work on commercial buildings?
Yes. Our commercial HVAC work covers repair, replacement, and installation for property management, multi-space shopping centers, restaurants, schools and universities, churches and places of worship, retail stores, gyms and workout facilities, and medical offices.