As a homeowner, you surely understand the significance of energy efficiency. This is indeed one of the vital aspects of a property. The energy-efficient homes not only have the potential of saving a considerable amount on the electricity but also significantly reduce the carbon footprint which indeed contributes to maintaining the environment to remain cleaner. The building fixtures can largely determine the energy efficiency of a house. You should opt for double glazed windows for the best energy-efficient houses. Knowing the science involved with double glazed windows    The double-glazed windows, in the present times, have become the top priority for millions of homeowners due to their magical capacity to keep the interiors of the house warm and cut down the external noises.