Let’s cut to the chase: a boiler can last for around 15 years in total, but that’s dependent on a few things. On its own, a boiler will stay efficient for a good deal of time, but if you neglect to take care of it over the years, it won’t hit that 15-year milestone you’re hoping for.
So what is a boiler life expectancy you can honestly expect? Let’s go over all the factors that affect a boiler’s total lifespan, and work from there to figure out how long yours will last.