The Ductless Mini Split is one of the many popular, energy-efficient heating and air conditioning products O'Brien Service Company offers. Just like
Proudly Serving the Wilmington, NC Area Since 1981.







O'Brien Service Comfort Kai Commercial
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In-Home Evaluation For HVAC Replacement
Time to replace your heating and air system? O’Brien Service Company offers complimentary in-home evaluations. Watch this video to learn what to expect when an O’Brien Design Specialist visits your home and why it’s important.
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“Just as a tune-up for your car can improve your gas mileage, a yearly tune-up of your heating and cooling system can improve efficiency and comfort.” – EnergyStar
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AC Repair Wilmington, NC
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AC Not Working After Power Outage
Here in Wilmington NC, we can experience a fluctuation in weather. From sunny, 75 degree weather to a tumultuous downpour. The coastal weather can get