The type of window and the installation method used depends on the problem that is being overcome and the construction characteristics of the house.  The following problem areas are presented and explained to help you understand the various directions your new window installations might take.    
INSULATION Windows and doors are among the weakest components in your home's insulation.  PG&E states that the areas with the largest return for dollars spent  on insulation is (in order of importance):
  1. Attics
  2. Windows and Doors
  3. Walls
  4. Under Floor
U-VALUE: The U-Value is a rating of a window's insulation quality that takes everything in that window into consideration. The lower the U-Value the better the insulation properties. [U-Value Explained]

Condensation   Insulation   Noise Reduction   Leaking   Security   UV Light    Heat from Sun   Defective Windows

www.aTaylorMadeWindow.com