The Ductless Mini Split is one of the many popular, energy-efficient heating and air conditioning products O'Brien Service Company offers. Just like
A Trane System For Christmas!
New Trane Heat Pump, Trane Air Handler, and Trane Thermostat! Every year, O'Brien Service Company donates a Trane heat pump, Trane air handler,
Commercial Heating and Air Company
Are you a commercial property owner in the Wilmington NC area looking for an HVAC company you can rely on? The search has ended; O’Brien is here! We
Trane Dealer in Wilmington NC
Worldwide there are many HVAC equipment manufacturers. When it’s time to choose a replacement system for your home or office, how do you pick? Well,
Oversized AC System
Oversized AC System- Bigger is Not Always Better When it comes to purchasing a new heating and air system, there are lots of different options.