How often should you replace a tempurpedic mattress?

A Tempur-Pedic mattress should be replaced every 6–15 years, depending on how the mattress is cared for and used. The dense memory foam material usually lasts longer than a typical spring mattress, and many owners report their mattresses as being comfortable for 10 years or more.

How do I know if my Tempurpedic mattress is worn out?

Deterioration causing the mattress to have a visible indentation greater than three-fourths (0.75) of an inch that is not associated with an indentation or sag which results from use of an improper or unsupportive foundation or adjustable bed base.