Franklin Delano Roosevelt was the 32nd President of the United States. A leader during the Great Depression and World War II, he was famous for being the only American presideâ¦nt elected to an unprecedented four terms - from 1933 to 1945. D.k.
The Average Boiler Life Expectancy. Boiler life expectancy depends very much upon the type of boiler that you purchased. The average expectancy of a traditional gas boiler would be between 10 and 15 years, if you keep it well maintained and have it serviced annually. Other boilers, such as electrical devices, will last between 8 and 10 years.
So when you ask âhow long can my furnace last?,â the short answer is 25 to 40 percent longer than averageâif you treat it well. Todayâs furnaces versus those of 40 or 50 years ago will average between 13 and 20 years of useful life.