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Average Life Spans for Household Equipment

Are you curious to know how long the equipment in your home will last? Below is a chart of the average life expectancy for many items in your home. These life expediencies have been determined through research and testing based on regular recommended maintenance and conditions of normal wear and tear, and not extreme weather or other conditions, neglect, over-use or abuse.  Therefore, they should be used as guidelines only, and not relied upon as guarantees or warranties.


Type Avg Life Span
Dishwasher 8-10 years
Disposal 10-15 years
Dryer 12-15 years
Microwave Oven 8-10 years
Range – Electric 13-15 years
Range – Gas 15-18 years
Refrigerator 10-12 years
Washing Machine 8-15 years
Newer appliances are more expensive to repair.  Check the cost of a new unit. If repair cost is greater than 50% of new price, consider replacement in lieu of repair.



Type Avg Life Span
AFCI – Arc   Fault Circuit Interrupter 20-30 years
GFCI – Ground Fault Circuit Interrupter 20-30 years
Service Panel 50 years
Outlets 10-20 years
Switches 10-20 years
Copper >100 years
Copper Clad Aluminum >100 years
Circuit breakers do go bad.  Expected life is typically 30 years.



Type Avg Life Span
Attic Fan 20 years
Central A/C 7-15 years
Evaporative Coolers 12-25 years
Fireplace – Gas 15-25 years
Furnace 15-20 years
Heat Exchangers 7-15 years
Heat Pumps 10-17 years
Regular maintenance can extend the life of HVAC (Heating, Ventilation, Air Condition) equipment.



Type Avg Life Span
Asphalt Shingles 20 years
Copper 70 years
EPDM Rubber 12-25 years
Metal 50-75 years
Slate 75-100 years
Clay 100 years
Concrete 100 years
Wood 30 years
Life expectancy of a roof can vary dramatically based upon factors such as maintenance and weather conditions.  The warm Arizona climate will significantly reduce the life span of asphalt shingles.