Home Size: 7,629 square feet of conditioned (heated and cooled) space.
The average electric bill in Missouri is .07 cents per square foot.
Electricity prices per square foot (ft²) | CallMePower
The average 7,629sf home using .07cents/sf of electricity per month, would be $534/mo. That is $6,408 per year. Based on the HERS Energy Cost and Features analysis, the case study home will be using $30/mo or $360 per year. That is a savings of $6,048 per year. Over the life of a 30-year mortgage that is a whopping savings of $181,440.
What does the owner have to say about his new ZERH?