The following chart details the predicted life expectancy of appliances, products, materials, systems and  components. (For homes located in Florida and the surrounding coastal region, please refer to  InterNACHI’s Florida Estimated Life Expectancy Chart for Homes, which is online at

Consumers, inspectors and other professionals advising their clients, should note that these life 
expectancies 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.