Assertion: water heater's life | /r/HasProperty | 10 to 15 years
Facets:
value: typically
type: DEGREE
Source sentences:
text: Since storage tank types have a shorter useful life (about ½ the life of on-demand water heaters), typically 10 to 15 years, you may need to buy and install them almost twice as often as tankless water heaters, reducing your purchase savings.