For the past five decades, O'Callaghan Heating & Air has provided excellent heating and air-conditioning (HVAC) services to Atlanta and the surrounding metropolitan area. You'll find that our quality work, fair prices, and superior knowledge of the industry are all key factors, contributing to customer satisfaction. We offer only the best heating and air-conditioning (HVAC) services to both residential and commercial properties. Excellence is our standard.

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Green systems

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At O'Callaghan Heating & Air, we like working with the Trane Comfort Specialist because we know their systems are exceptionally efficient regarding energy consumption, making them the best choice for going green. As a result, the operating costs of homes and offices decrease significantly. It's just another example of looking out for the customer.

Replacement

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Some HVAC systems don't need to be replaced. Many just need some TLC. The expert technicians at O'Callaghan Heating & Air are experienced with a number of brands and can provide regular maintenance and service to keep your HVAC system running smoothly.

Installation

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You need a trained professional who you can trust with your HVAC unit. The technicians at O'Callaghan Heating & Air will take great care of you and your home or business from conceptualization through completion.

Maintenance

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We provide ESA customers with recommendations that could prevent future breakdowns. Leave stress out of the equation and gain the peace of mind that comes with knowing that O'Callaghan Heating & Air is taking care of your equipment.

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