With heating and cooling costs continuing to rise, it makes sense to look at one of the leading causes of energy inefficiency in the home: the windows. A typical home may lose up to 30% of its heat or cooling through windows. Properly installed energy-efficient windows can go a long way toward improving this situation. Here is the link to an excellent resource, which provides detailed information on window specifications and how to select windows appropriate for various climates.

YOUR GATEWAY TO INFORMATION ON HOW TO CHOOSE ENERGY-EFFICIENT WINDOWS