Many homeowners will do their best not to replace their boilers with new ones, considering the cost involved. But if your boiler is continuously faulty, makes loud noises, or loses pressure too regularly, a replacement might be a great solution. Most boilers can last from 10 to 15 years or even more with proper servicing. Although there’s no straight answer on which is best, repairing or replacing, the following signs might require you to replace your boiler.