A.) Separate custom greenhouse plans at the extremely reasonable price of $375. (Size determined by owner.)
B.) Add a passive solar greenhouse to your existing home at the same low price: $375. It's easy! The common wall between your home and greenhouse can be converted to a sliding glass door, allowing passive solar heat to be exchanged into your home with a ceiling fan.
C.) Add the greenhouse package to the CreativeHousePlans.com plan of your choice - also at the great low price for only $375!
D.) Make sure to specify a window manufacturer that is approved for the Federal Tax Credit for your new home.