Realtor® magazine had a great article by Melissa Dittmann Tracey on maintaining your home and its appliances. The article "How Long Should It Last?" lists the average longevity you can expect from many of our household materials and amenities.
100 Years or More
Brick Siding: Lifetime of the home
All wooden floors: Lifetime of the home
Cellulose insulation material: 100-plus years
50-100 Years
Slate, copper, and clay and concrete roofs: 50+ years
Copper gutters: 50+ years
Kitchen cabinets: Up to 50 years
Modified acrylic kitchen sinks: 50 years
Vinyl floors: 50 years
30-50 Years
Thermostats: 35 years
Wooden windows: 30 years
Wood shake roofs: 30 years
French interior doors: 30-50 years
10-20 Years
Built-in audio system: 20 years
Aluminum windows: 15-20 years
Asphalt shingle roofs: 20 years
Faucets, kitchen sinks: 15 years
Gas ranges: 15 years
Cultured marble countertops: 20 years
Dryers and refrigerators: 13 years
Air conditioning units: 10-15 years
Lighting controls: 10+ years
Interior and exterior paints: 15+ years
Electric or gas water heaters: 10 years
Air conditioners: 10-15 years
Furnaces: 15-20 years
5-10 Years
Security systems: 5-10 years
Heat and smoke detectors: 5-10 years
Dishwashers: 9 years
Microwave ovens: 9 years
Carpet: 8-10 years
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