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Proudly serving the Wilmington, NC area since 1981.

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Our service comes packed to the brim with tons of amazing features.

What We Do



We have a service team with multiple technicians that can handle all levels of home service calls from checking fluid levels or replacing filters to replacing compressors or coils.

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When your system is beyond repair or just not worth the cost of repairing it any more, we can help you with different options for affordable and efficient replacement.

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Join the O’Brien Energy Savings Club and get started on a preventative maintenance plan for as little as $12.95 per month.

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heating pic


Having the right heating system in your home can make all the difference

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air quality solutions

Air Quality Solutions

It’s a fact-the air inside your home could be up to five times more polluted

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heat pumps

Heat Pumps

In size and appearance, a heat pump looks like a central air conditioner

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Air Conditioning

When it comes to keeping your home comfortable through those hot summer

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O’Brien Service Company is a locally owned and operated business established in 1981 to provide a complete range of heating and air services, from installation to regular maintenance.

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What Our Customers Are Saying

Emily and David G.

“We have two service contracts for our homes with O’Brien. We have used them to install 2 new units and they have responded to all concerns promptly and with high quality service. Matt came over recently to see why our AC was not pushing out cold air. He fixed the problem in minutes. Ahh! Highly recommend! “

Jodi D

“These guys were great! They were prompt, friendly, and polite. They brought us window units to use over the weekend when we had a family gathering for graduation, since our installation wasn’t scheduled until a few days later. They explained everything well. I love that their photos are online. The ladies in the office were wonderful too! This has been a very easy experience. VERY professional!”

Patrick D.

“In addition to being prompt, courteous and direct, the service technician (Chris J) was thorough with troubleshooting and diagnostics and left me reassured with the level of quality of the repair. “

Mark B.

“Trace came on time and even called when he was on his way. Found the problem quickly and fixed it right away while showing and explaining exactly what the problem was. Obrien service co is not the cheapest but they do a great job and I would recommend them. Trace has been to our house twice to fix different problems and has been outstanding.”

Abigail C

“O’Brien is a great company. This is the 2nd HVAC system we have bought from them and this time we got the dream team. Mike was exceptional during the estimate and quote (I was difficult!) and Mark and Justin, his helper were excellent. Mary Alice, part of the office team is also top rate. These staff members are assets to this company because at every turn, they do the right thing, go the extra mile and stay professional throughout.”

Anthony G.

“From sales representative to installation team. I was very satisfied with service preformed. Professional manner, follow up and excellent payment option. Already recommended to neighbor.”

Anne J.

“From estimate to installations to inspections, I have rarely worked with a company whose employees are as courteous, knowledgeable, and concerned with total customer satisfaction and happiness as those at O’Brien Service Company. I recommend them without reservation.”

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What our customer's are saying...
"The heat pump/AC died during a heat wave. O'Brien gave us a next day estimate on repair of the old pump or we could replace the entire system. The 10 year old system had had previous problems and to replace just the compressor was almost $1400. O'Brien gave us 4 options for replacement and could do it within 5 days. We opted for a much more efficient new system that qualified for a tax credit and electric company rebate. Our net cost will be around $6000. The installation was done in one day and the workers were great. We did have a system failure two weeks later because the condensate line backed up. O'Brien fixed it the same day. They arranged for all the county electrical and building permits and inspections. (There was one minor inspection issue that O'Brien also promptly resolved.) Overall, I highly recommend this company".

- Ronald Herring

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Did you know we have a Mobile App? Connect to us directly by downloading our app from the Andriod Play Store or Apple iTunes. ...

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What our customer's are saying...
"From the service call to the estimate process to the finance and installation, each and every member of O'Brien service was professional, kind, informative, and patient with every question and step through this process.

The entire experience with O'Brien Service Company was very professional and courteous. The team of workers who ranged from the service guy to the estimator, the installers, the inspectors, the finance department, and even the secretary worked well together and were very accommodating to me. This is a huge purchase for me personally and the worry of this experience was ease by the understanding and "work-with-me" attitude.

The team involved showed up when they said they would, cleaned up behind themselves and maintained a professional air about them the entire time.

I have already recommended this company to my friends and co-workers and will continue to do so".

- Georgia Byers

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Happy Monday! Just a reminder that it is the last week to donate items to Stop Summer Hunger!! We've have already donated a ton of items, let's not slow down now! You can either give the items to your service tech or drop them off at the office. Thanks and enjoy the week ahead. ...

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