Bryan-
If you mean that the walls are 2 x 4 and framed already below the screens and you just want to replace the screens with windows, then you have a few options depending on your budget.
The most e ... read more
All of the answers given were great options. There are many, many ways to improve a home's energy efficiency. As we are a siding and window company, my focus will be on those areas. Windows are a huge ... read more