1 Excludes data for Georgia. 2 Excludes data for Louisiana. Note: Rates for 2001-2009 have been revised and are based on intercensal population estimates from the 2000 and 2010 censuses. Populations for 2010 rates are based on the 2010 census. Source: CDC/NCHS National Vital Statistics System.
According to Mr. Appliance, the life span of the microwave oven is 5-10 years with an average of 8 years. The gas water heater can live 5-13 years with an average of 9 years of use.
According to the U.S. Department of Energy, the average lifespan of a heat pump is between 10 to 15 years. It's possible to get more life out of a unit but once you pass 15 years you are definitely on borrowed time. The good news is the new unit is almost certain to be more efficient than the one you are replacing.