O'Callaghan Heating & Air

O’Callaghan is a company of expert and knowledgeable HVAC technicians here in Atlanta. Call them today for all your commercial or residential concerns.

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Over 100 years ago, Trane made the decision to stand out from the crowd. To build a comfort system like no other, using uncompromising quality, innovation and reliability. Today their legacy is found in everything Trane makes, from our premium materials to industry leading technology to extensive product testing under the harshest conditions. No detail...

The heat of the summer can really make us feel uncomfortable. How’s your air conditioner doing? Is it giving off the right ...temperature that you need? If not, don’t wait for the problem to get worse. For superior indoor air quality, contact the experts from O’Callaghan. They provide unparalleled air conditioning maintenance services. They can be reached at 404.577.6885. See More

Over 100 years ago, Trane made the decision to stand out from the crowd. To build a comfort system like no other, using uncompromising quality, innovation and reliability. Today their legacy is found in everything Trane makes, from our premium materials to industry leading technology to extensive product testing under the harshest conditions. No detail is overlooked in our quest for a system...

O'Callaghan Heating & Air is located in Atlanta, Georgia. Our name is built on the people weâ, €, ™, 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. No matter the season, no matter the time, at O'Callaghan Heating &, Air weâ, €, ™, ve been keeping Metro Atlanta comfortable for 50 years. With...