I am looking for information of all kinds. I must admit that I was pleasantly surprised by the basic technical details, very understandable, I've met in this book. I had planned to make a greenhouse with a view to saving energy mix and confine my exotic plants in winter I will complete other achievements that are being .... then next winter I will attack me to plan and calculate how to make me happy by achieving a greenhouse against my house with my aim to help pump heat, store my lemon and other citrus fruits in winter and perhaps produce some vegetables mid season. The maximum occupancy space can ...... L14m H x W 3.20mx 3m. Retired 61 years, never on vacation, work and very big Craft goes prime time for 45 years!