Dear Jim: We think adding a sunroom would give us more space and assist with winter heating our house. What design factors should we consider when building one from a kit or from scratch? - Larry H.

Dear Jim: I want to add a greenhouse on my house for the kid's rec room and to grow some plants. I cannot afford a fancy kit, so I plan to build it from scratch. What is the best way to design an ...

Dear Jim: I want to add a solar sunroom for inexpensive extra living space and so it will help heat our house. I would like to build a kit myself or to make one from scratch. What things should I ...