Life Expectancy of Parts of Your Home * Kitchen Sink (enamel-coated steel) Ð 5-10 years * Kitchen Faucet Ð 15 years * Kitchen Cabinets Ð 50 years * Microwave Oven Ð 9 years * Range Ð 13-15 years * Dishwasher Ð 9 years * Refrigerator Ð 13 years * Garbage disposal Ð 12 years * Washing Machine Ð 10 years * Dryer -13 years * Shower Enclosure Ð 50 years * Toilet Ð Lifetime * Whirlpool Tub Ð 20-50 years * Tub/Shower Faucets Ð 20+ years * Wood or stone flooring Ð 100 years * Carpeting Ð 8-10 years * Electric switches and sockets Ð 10+ years * Garage Door Opener Ð 10-15 years * Home security system/Smoke Detector Ð 5-10 years * Furnace Ð 15-18 years * Heat Pump - 16 years * Air Conditioning Unit Ð 10-15 years * Driveway (asphalt) Ð 15-20 years * Exterior Paint Ð up to 15 years * Wood Deck Ð 10-15 years * Roof (asphalt shingles) Ð 20 years * Windows Ð 15-30 years Source: National Association of Home Builders/Bank of America Equity Study of Life Expectancy of Home Components