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3458 Buffington Center, Atlanta, GA 30349


It’s hard to stop a Trane

At O'Callaghan Heating & Air, we are proud to be a Trane Comfort Specialist dealer. We share the same values in service, workmanship, and dedication to customer satisfaction.

Square Square

- 90 years of experience

- Dedicated to customers

- Durable

- Innovative

- Unmatched performance

- High efficiency

- Reduces costs

Nothing beats a Trane

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.

Go green

Mention our website and get a 10% discount off the cost of our diagnostic charge.


No additional discounts or coupons can be used.

For more than 90 years, Trane has been dedicated to creating the most comfortable, enjoyable living space our customers have ever experienced.