Air conditioners 8 to 15 years
Dishwashers 5 to 12 years
Garbage disposals 5 to 12 years
Dryers 8 to 12 years
Freezers 15 to 20 years
Heat pumps 8 to 12 years
Refrigerators 5 to 20 years
Stoves 15 to 20 years
Washers 8 to 12 years
Water heaters 8 to 12 years
Roof 25-50 years