Business Details
Emergency
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Your Trusted HVAC Partner in Atlanta
Founded over 40 years ago, O'Callaghan Heating & Air Heating and Air Conditioning has established itself as a trusted leader in HVAC solutions across Metro Atlanta. Our team of certified technicians specializes in residential and commercial heating, cooling, and indoor air quality systems, delivering expert installation, repair, and maintenance services. We prioritize customer satisfaction through competitive pricing, top-rated equipment, and a commitment to energy-efficient solutions.Our Energy Savings Agreements provide ongoing maintenance, discounts, and priority service, ensuring long-term system reliability. With a focus on professionalism and technical expertise, we serve diverse industries including property management, education, healthcare, and retail, maintaining a reputation for exceptional workmanship and client-centric service.
Services
Heating
Air Conditioning
Maintenance
Commercial HVAC
Indoor Air Quality
Highlights and features
- We offer over 40 years of HVAC expertise in Metro Atlanta.
- Our team includes certified technicians with industry-leading training.
- Competitive pricing with free system replacement estimates.
- Energy Savings Agreements provide 15% repair discounts and priority service.
- We guarantee equipment warranties and superior workmanship.
What people say
Excellent experience
Professional technicians
Great service
Knowledgeable staff
Prompt repairs
Services
Heating
We provide comprehensive heating solutions including furnace installation, repair, and maintenance. Our technicians ensure optimal performance of residential and commercial heating systems through expert diagnostics and energy-efficient upgrades. Regular maintenance extends system lifespan, reduces energy costs, and prevents emergency breakdowns while maintaining indoor comfort during cold months.
Air Conditioning
Our air conditioning services cover installation, repair, and maintenance of residential and commercial cooling systems. We specialize in energy-efficient units, air handlers, and ductless systems that improve temperature control and indoor air quality. Regular maintenance prevents costly repairs and ensures reliable summer cooling performance.
Maintenance
Preventive maintenance programs protect HVAC investments through regular inspections and tune-ups. Our Energy Savings Agreements include priority service, repair discounts, and system recommendations to optimize performance. Scheduled maintenance reduces breakdown risks, improves energy efficiency, and extends equipment lifespan while maintaining manufacturer warranties.
Commercial HVAC
We deliver tailored HVAC solutions for commercial properties including system upgrades, emergency repairs, and preventive maintenance. Our services support property management, retail, healthcare, and education sectors with minimal operational disruption. Energy-efficient commercial systems reduce operating costs while maintaining comfortable environments for employees and customers.
Indoor Air Quality
Our IAQ solutions include high-efficiency filtration, ventilation systems, and PCO air purification technology. We install MERV 13+ filters, energy recovery ventilators, and Reme Halo LED purification systems to eliminate contaminants. These solutions improve respiratory health, reduce allergens, and create healthier living and working environments in Atlanta's climate.
Questions
What HVAC services do you offer in Atlanta?
We provide heating, air conditioning, indoor air quality solutions, commercial HVAC services, and preventive maintenance programs for residential and business clients across Metro Atlanta.
Do you offer emergency HVAC service?
Yes, we provide 24/7 emergency service with technicians available to address urgent heating and cooling issues at any time.
What financing options are available?
We offer Energy Savings Agreements with 15% repair discounts, priority service, and comprehensive maintenance plans to help manage HVAC system costs.
Which areas do you service?
We serve all Metro Atlanta counties including Fulton, Gwinnett, Dekalb, Cobb, and surrounding areas like Clayton, Henry, and Fayette.
How can I improve indoor air quality?
We recommend MERV 13+ filters, energy recovery ventilators, and Reme Halo LED purification systems to enhance indoor air quality and reduce airborne contaminants.
