Project KB Home GreenHouse: An Idea Home Created With Martha Stewart
Location Windermere, Fla.
BuilderKB Home, Orlando, Fla.
Architect KB Home Architecture, Los Angeles
DesignerMartha Stewart Living Omnimedia, New York
Size 2,667 square feet
Lot size 70 x 120 feet
Cost per square foot about $140
Anticipated sale price $380,000
Added hard costs for green attributes $70,000
Increase in monthly mortgage payment to cover the green extras $350
Average monthly electric bill for conventional Orlando home $250-$350 per month
Average monthly electric bill for the GreenHouse $0
CertificationsLEED for Homes-Platinum, Environments for Living Certified Green, EPA WaterSense, EPA Energy Star, IAPMO Green Plumbing Code
HERS rating 0
Construction cycle 90 days