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We pride ourselves on customer service. You don’t make it this far without knowing who comes first, and that’s you. Our name is built on the people we’ve served and the service we do. We only work with the best brands and our team of HVAC contractors is constructed by experience and knowledge.

- Heating

- Ventilation

- Air-Conditioning

- HVAC Services

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The best heating & air service

in Atlanta

Our services and specials

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HEATING

HVAC

INSTALLATION

REPAIRS

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YOU COMFORTABLE

No matter the season, no matter the time, at O'Callaghan Heating & Air we’ve been keeping Metro Atlanta comfortable for 50 years. With excellent customer service and quality work, there is no better choice.

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WE KEEP

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At O’Callaghan Heating & Air, keeping you comfortable is our concern. When it comes to air conditioning maintenance, Atlanta, GA residents trust us to keep their cooling systems functioning properly. When problems arise, we can also assist with air conditioning repair. Atlanta, GA characteristically gets very hot in the summer months. If your system is broken, we can promptly diagnose the problem and suggest solutions.

O'Callaghan Heating & Air Can Handle Your HVAC Needs in Atlanta, GA

Our team has been serving customers in the community for 50 years. During that time, we’ve built a reputation for delivering high-quality work and offering excellent service to our valued clients. If you have a concern related to your air conditioning unit, get in touch with us. We can evaluate the issue and let you know whether it’s something that can be resolved through a maintenance appointment, or if it’s time to think about installing a new system.

Five Decades of HVAC Expertise in Atlanta, GA

When it’s time to hire a company to provide air conditioning repair, Atlanta, GA residents know they can rely on the O’Callaghan Heating & Air team to provide efficient yet thorough service. We’re also able to help you get on a regular schedule for air conditioning maintenance. Atlanta, GA customers who take that approach often find it’s easier than they thought to avoid costly future problems

Let Us Offer Air Conditioning Knowledge

In addition to keeping your home or business refreshingly cool, we can provide a full range of heating services. Before winter reaches Atlanta, GA, make sure to contact us to learn more about how heating services can help your home stay toasty and inviting during the coldest parts of the year. Our skilled contractors are ready to come to your aid. Contact us today and find out more about how our services could make your home feel more pleasant through all four seasons.

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