Knowing when to get a new AC installation in your Wellsville, UT home can be tricky. Our professional and highly trained technicians at Mtn Valley Heating & Air Conditioning can advise you on whether or not you need an AC unit replacement. A new air conditioner can offer better efficiency and greater home comfort. The average air conditioner lasts anywhere between 10-12 and sometimes even 15 years if its in great condition. If your current system has outlived its average lifespan or is barely working at all, it may be time to consider a replacement.