“Stacy was very knowledgeable and thorough. He explained the tests he was conducting and thoughtfully answered questions. He was polite and courteous. He was also able to locate the source of a problem and recommend a solution. He prepared a detailed quote for our review to perform the work before he left. We recommend O'Brien for all of your HVAC needs.” -Mark L. (Leland 28451)

“Matt E. serviced our home HVAC units this morning. He was knowledgeable, professional and helpful. Matt's pleasant demeanor and positive approach were noteworthy and appreciated. Thanks for making the process, from setting the appointment through service and follow-up, easy and smooth. Well done by the people of O'Brien!” -Jim F. (Wilmington 28412)

“My service man, I think his name is Chris, was great! I had a bit of an emergency that morning and he was very flexible to help out. I appreciate his attention to detail when checking out all of my HVAC and I feel confident in O'Brien's customer care. I will be referring you to my friends and family!” -Debbie P. (Wilmington 28409)

“JUST HAD O'BRIEN INSTALL A NEW HVAC SYSTEM. THEY ALL FROM MIKE SALESMAN, INSTALLERS & TO KAYLAN IN OFFICE TO OTHERS WHO ALL DID A FANTASTIC JOB FROM START TO FINISH. WOULD HIGHLY RECOMMEND O'BRIEN!!!!!! OUSTANDING JOB, ANSWERED MY CALLS PROMPTLY & ALL QUESTIONS I HAD NO MATTER HOW MANY TIMES I CALLED. ALL VERY KNOWLEDGEABLE & JUST GREAT PEOPLE! WAS PLEASED ALL AROUND WITH EVERY ASPECT OF THIS PROCESS. THANK YOU AGAIN TO ALL AT O'BRIENS SERVCIE CO!” -Mary Ann R. (Wilmington 28412)

“Our old heat pump died right before hurricane Dorian. O'Briens quickly responded and Matt came out on a Saturday. He was extremely knowledgeable and didn't pressure us at all. They provided a small window air conditioner which allowed us to sleep comfortably. We love our new unit. O'Briens has been our heat/air company for over 25 years.” -Melanie L. (Leland 28451)

“William arrived on time conducted my annual inspection and replaced some ducking in my attic. Very polite and knowledgeable tech. Thanks William.” -Scott (Leland 28451)

“Love the service. Tom was great to work with highly recommend.” -Kurt B. (Kure Beach 28449)