We are considering adding a four season room (aka attached greenhouse) to our house - about 17x30 ft. with a small side room with sink/countertop and more growing space - 7.5x24 ft.  The front our home faces South/Southeast so we will have to put it on our front.  We will miss some of the sunlight as the day goes on because the garage will block the sun.     Attached is a picture of what the des…