The NAHB (National Association of Home Builders) recently did a study regarding how long the components of a house should last. "The true longevity of any household material depends on maintenance, use, quality of installation & climate conditions." Keep in mind you should only use these averages as a general guideline! Here are just a few of the items that the study reported on:
100 Years or More
Brick exterior - lifetime of the home
All wooden floors - lifetime of the home
50 - 100 Years
Slate roofs - 50+ years
Kitchen cabinets - up to 50 years
Vinyl floors - 50 years
30 - 50 Years
Thermostats - 35 years
Wood windows - 30 years
10 - 20 Years
Aluminum windows - 15 - 20 years
Asphalt shingle roofs - 20 years
Faucets & kitchen sinks - 15 years
Gas ranges - 15 years
Dryers & refrigerators - 13 years
A/C Units - 10 - 15 years
Electric or gas hot water heaters - 10 years
Furnaces - 15 - 20 years
5 - 10 Years
Heat & smoke detectors - 5 - 10 years
Dishwashers - 9 years
Microwaves - 9 years
Carpet 8 - 10 years
Information courtesy of Realtor magazine, February 2009.
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