Maximizing Efficiency With Sash Windows

By Grazina Mazur Sash windows have been around for many years. You may even have some in your home and not have even realized what they are named. These windows are made of two parts. There is a top part and a bottom part. The top part moves downward and the bottom part moves upward. If these windows are not in your house then you should consider the benefits and then have your old windows