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A human life is worth $6.2 million, Amar said, referring to a value that was used by EPA in the past. What do you need -- about 150 people to die? And that's a billion dollars.
However, at the end of the 10 years, the home owner sells the house and recoups some of the initial additional investment costs. Depending on the residual value estimation approach, the present value net cost savings in life-cycle costs to the homeowner is either $41 714 or $84 997.