"Over a 30-year mortgage … this home can save you enough money to put your children through college."

"This home, through its energy- and water-saving features, can save the homeowner about $4,300 a year. Over a 30-year mortgage … this home can save you enough money to put your children through college."

– Tom DiPrima, executive vice-president of KB Home

"You have a house that produces more energy than it uses."

– Rex Parris, mayor of Lancaster, California