“New home first time service with O’Brien, Representative was Matt. Very professional, walked us thru all details of HVAC units and Filters, shared his knowledge & expertise. Great first time service.” -Melissa W. (Southport 28461)

“Called for an appointment. Received same day service. Larry was quick and informative about my seasonal service and potential future problems. Great service at a great price. Thank you, O'Brien!” -Damon L. (Wilmington 28411)

“The technician arrived on time and was very professional and courteous. He did the annual checkup of the system. He briefed me on what he had done. I had some additional questions and he answered all of them. I was very satisfied with his work and the way he communicated with me.” -John M. (Kure Beach 28449)

“When Matt came to the house to check out my A.C He was both courteous and knowledgeable. He explained all he was going to do and answered the questions I had in manana I could understand. when He was done, he sat with me and explained what services were available. I am most pleased both with O' Brien and with Matt's expertise. Very Truly yours, Chuck G.” -Chuck G. (Leland 28451)

“Very impressed with Chris's thoroughness, friendliness & professionalism. Glad we finally signed up for an annual service contract!” -Robin & Todd A. (Wilmington 28403)